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Datasheets

T-Series Datasheet

Preface: Warranty, Liability, Compliance [T-Series Datasheet]
1.0 Device Overview [T-Series Datasheet]

2.0 T-Series Support Home [T-Series Datasheet]

2.1 Quickstart Guides [T-Series Datasheet]

2.1.0 T7 Quickstart Tutorial
2.1.1 T4 Quickstart Tutorial
2.1.2 T8 Quickstart Tutorial

3.0 Communication [T-Series Datasheet]

3.1 Modbus Map [T-Series Datasheet]

3.1.2 Printable Modbus Map

3.2 Stream Mode [T-Series Datasheet]

3.2.1 Stream Timing [T-Series Datasheet]
3.2.2 Special Stream Modes [T-Series Datasheet]
3.2.3 Stream-Out [T-Series Datasheet]
3.2.4 Low-Level Stream [T-Series Datasheet]

4.0 Hardware Overview [T-Series Datasheet]
5.0 USB [T-Series Datasheet]
6.0 Ethernet [T-Series Datasheet]
7.0 WiFi (T7-Pro only) [T-Series Datasheet]
8.0 LEDs [T-Series Datasheet]

9.0 VS, Power Supply [T-Series Datasheet]

9.1 PoE [T-Series Datasheet]

10.0 SGND and GND [T-Series Datasheet]
11.0 SPC [T-Series Datasheet]
12.0 200uA and 10uA (T7 Only)

13.0 Digital I/O [T-Series Datasheet]

13.1 Flexible I/O (T4 Only) [T-Series Datasheet]

13.2 DIO Extended Features [T-Series Datasheet]

13.2.1 EF Clock Source [T-Series Datasheet]
13.2.2 PWM Out [T-Series Datasheet]
13.2.3 PWM Out with Phase [T-Series Datasheet]
13.2.4 Pulse Out [T-Series Datasheet]
13.2.5 Frequency In [T-Series Datasheet]
13.2.6 Pulse Width In [T-Series Datasheet]
13.2.7 Line-to-Line In [T-Series Datasheet]
13.2.8 High-Speed Counter [T-Series Datasheet]
13.2.9 Interrupt Counter [T-Series Datasheet]
13.2.10 Interrupt Counter with Debounce [T-Series Datasheet]
13.2.11 Quadrature In [T-Series Datasheet]
13.2.12 Interrupt Frequency In [T-Series Datasheet]
13.2.13 Conditional Reset [T-Series Datasheet]

13.3 I2C [T-Series Datasheet]

13.3.1 I2C Simulation Tool [T-Series Datasheet]

13.4 SPI [T-Series Datasheet]
13.5 SBUS [T-Series Datasheet]
13.6 1-Wire [T-Series Datasheet]
13.7 Asynchronous Serial [T-Series Datasheet]

14.0 Analog Inputs [T-Series Datasheet]

14.1 AIN Extended Features [T-Series Datasheet]

14.1.0.1 Excitation Circuits [T-Series Datasheet]
14.1.1 Thermocouple (T7/T8) [T-Series Datasheet]
14.1.2 Offset and Slope [T-Series Datasheet]
14.1.3 RTD [T-Series Datasheet]
14.1.4 RMS [T-Series Datasheet]
14.1.5 Thermistor [T-Series Datasheet]
14.1.6 Resistance [T-Series Datasheet]
14.1.7 Average Min Max [T-Series Datasheet]
14.1.8 Average and Threshold [T-Series Datasheet]

14.2 Extended Channels (T7 Only) [T-Series Datasheet]

14.3 Analog Inputs by Device [T-Series Datasheet]

14.3.0 Analog Inputs - T7 [T-Series Datasheet]
14.3.1 Analog Inputs - T4 [T-Series Datasheet]
14.3.2 Analog Inputs - T8 [T-Series Datasheet]

15.0 DAC [T-Series Datasheet]
16.0 DB37 (T7 Only) [T-Series Datasheet]
17.0 DB15 [T-Series Datasheet]
18.0 Internal Temp Sensor [T-Series Datasheet]
19.0 RTC (T7-Pro Only) [T-Series Datasheet]

20.0 Internal Flash [T-Series Datasheet]

20.0.0 T4 Calibration Constants [T-Series Datasheet]
20.0.1 T7 Calibration Constants [T-Series Datasheet]
20.0.2 T8 Calibration Constants [T-Series Datasheet]

21.0 SD Card (T7 Only) [T-Series Datasheet]
22.0 OEM Versions [T-Series Datasheet]
23.0 Watchdog [T-Series Datasheet]

24.0 Device Configuration [T-Series Datasheet]

24.1 Cleanse (T7 Only) [T-Series Datasheet]

25.0 Lua Scripting [T-Series Datasheet]

25.1 I2C Library [T-Series Datasheet]
25.2 Bit Library
25.3 LabJack Library
25.4 Lua Script Performance
25.5 Lua Warnings
25.6 Controlling Lua Execution With a Host Application
25.7 User RAM

26.0 3.3V Supply (T8 Only) [T-Series Datasheet]

Appendix A - Specifications [T-Series Datasheet]

A-1 Data Rates [T-Series Datasheet]

A-1-1 Stream Data Rates [T-Series Datasheet]

A-2 Digital I/O [T-Series Datasheet]

A-3 Analog Input [T-Series Datasheet]

A-3-1 T4 Analog Input [T-Series Datasheet]

A-3-1-1 T4 AIN General Specs [T-Series Datasheet]
A-3-1-2 T4 Noise and Resolution [T-Series Datasheet]
A-3-1-3 T4 Signal Range [T-Series Datasheet]

A-3-2 T7 Analog Input [T-Series Datasheet]

A-3-2-1 T7 AIN General Specs [T-Series Datasheet]
A-3-2-2 T7 Noise and Resolution [T-Series Datasheet]
A-3-2-3 T7 Signal Range [T-Series Datasheet]

A-3-3 T8 Analog Input [T-Series Datasheet]

A-3-3-1 T8 AIN General Specs [T-Series Datasheet]
A-3-3-2 T8 Noise and Resolution [T-Series Datasheet]
A-3-3-3 T8 Signal Range [T-Series Datasheet]

A-4 Analog Output [T-Series Datasheet]
A-5 General Specs [T-Series Datasheet]

Appendix B - Drawings and CAD Models [T-Series Datasheet]

B-1 T4 Drawings and CAD Models [T-Series Datasheet]
B-2 T7 Drawings and CAD Models [T-Series Datasheet]
B-3 T8 Drawings and CAD Models [T-Series Datasheet]

Appendix C - Firmware Revision History [T-Series Datasheet]

Appendix D - Packaging Information [T-Series Datasheet]

D-1 T4 Packaging Information [T-Series Datasheet]
D-2 T7 Packaging Information [T-Series Datasheet]
D-3 T8 Packaging Information [T-Series Datasheet]

Appendix E - Software Options [T-Series Datasheet]

Datasheets and Examples for Accessories and Sensors

CB15 Datasheet
CB25 Datasheet
CB37 V1.2 Datasheet (Discontinued)
CB37 V2.1 Datasheet
EB37 Datasheet (Discontinued)
EI-1022 Datasheet
EI-1034 Datasheet (Discontinued)
EI-1040 Datasheet (Discontinued)
EI-1050 Datasheet (Discontinued)
LJTick-CurrentShunt Datasheet

LJTick-DAC Datasheet

LJTick-DAC Testing Utility

LJTick-DigitalOut5V Datasheet
LJTick-Divider Datasheet

LJTick-InAmp 2 Datasheet (Discontinued)

Appendix A - Signal Range Tables
Appendix B - Resolution Tables

Appendix C - Thermocouples

C.1 - LJTIA Thermocouple Troubleshooting

Appendix D - Bridge Circuits

D.1 - Bridge Troubleshooting

Appendix E - Testing & Troubleshooting the LJTIA2

LJTick-InAmp 3 Datasheet
LJTick-InBuff Datasheet

LJTick-LVDigitalIO Datasheet

Modifying the LJTick-LVDigitalIO for 5V

LJTick-OutBuff Datasheet
LJTick-Proto Datasheet
LJTick-RelayDriver Datasheet
LJTick-Resistance Datasheet
LJTick-VRef Datasheet

Mux80 AIN Expansion Board Datasheet

Appendix A - Pinout Info
Appendix B - Dimensions and CAD Models
Appendix C - AIN Registers

PS12DC Datasheet

Appendix A - Wiring Diagrams
Appendix B - Connection Options
Appendix C - Pinout Info
Appendix D - Specifications
Appendix E - Additional Examples

RB12 Datasheet
RB16 Datasheet (Discontinued)

U3 Datasheet

Preface [U3 Datasheet]

1 - Installation [U3 Datasheet]

1.1 - Control Panel Application (LJControlPanel) [U3 Datasheet]
1.2 - Self-Upgrade Application (LJSelfUpgrade) [U3 Datasheet]

2 - Hardware Description [U3 Datasheet]

2.1 - USB [U3 Datasheet]
2.2 - Status LED [U3 Datasheet]
2.3 - GND and SGND [U3 Datasheet]
2.4 - VS [U3 Datasheet]
2.5 - Flexible I/O (FIO/EIO) [U3 Datasheet]

2.6 - AIN [U3 Datasheet]

2.6.1 - Channel Numbers [U3 Datasheet]

2.6.2 - Converting Binary Readings to Voltages [U3 Datasheet]

2.6.2.1 - Analog Inputs With DAC1 Enabled (Hardware Revisions 1.20 & 1.21 only) [U3 Datasheet]

2.6.3 - Typical Analog Input Connections [U3 Datasheet]
2.6.4 - Internal Temperature Sensor [U3 Datasheet]

2.7 - DAC [U3 Datasheet]

2.7.1 - Typical Analog Output Connections [U3 Datasheet]

2.8 - Digital I/O [U3 Datasheet]

2.9 - Timers/Counters [U3 Datasheet]

2.9.1 - Timer Mode Descriptions [U3 Datasheet]

2.9.1.1 - PWM Output (16-Bit, Mode 0) [U3 Datasheet]
2.9.1.2 - PWM Output (8-Bit, Mode 1) [U3 Datasheet]
2.9.1.3 - Period Measurement (32-Bit, Modes 2 & 3) [U3 Datasheet]
2.9.1.4 - Duty Cycle Measurement (Mode 4) [U3 Datasheet]
2.9.1.5 - Firmware Counter Input (Mode 5) [U3 Datasheet]
2.9.1.6 - Firmware Counter Input With Debounce (Mode 6) [U3 Datasheet]

2.9.1.7 - Frequency Output (Mode 7) [U3 Datasheet]

Frequency List for U3 Timer Mode 7

2.9.1.8 - Quadrature Input (Mode 8) [U3 Datasheet]
2.9.1.9 - Timer Stop Input (Mode 9) [U3 Datasheet]
2.9.1.10 - System Timer Low/High Read (Modes 10 & 11) [U3 Datasheet]
2.9.1.11 - Period Measurement (16-Bit, Modes 12 & 13) [U3 Datasheet]
2.9.1.12 - Line-to-Line Measurement (Mode 14) [U3 Datasheet]

2.9.2 - Timer Operation/Performance Notes [U3 Datasheet]

2.10 - SPC (… and SCL/SDA/SCA) [U3 Datasheet]
2.11 - DB15 [U3 Datasheet]
2.12 - U3-OEM [U3 Datasheet]
2.13 - Hardware Revision Notes [U3 Datasheet]

3 - Operation [U3 Datasheet]

3.1 - Command/Response [U3 Datasheet]

3.2 - Stream Mode [U3 Datasheet]

3.2.1 - Streaming Digital Inputs, Timers, and Counters [U3 Datasheet]

4 - LabJackUD High-Level Driver [U3 Datasheet]

4.1 - Example Pseudocode [U3 Datasheet]

4.1.1 - Open [U3 Datasheet]
4.1.2 - Configuration [U3 Datasheet]
4.1.3 - Analog Inputs [U3 Datasheet]
4.1.4 - Analog Outputs [U3 Datasheet]
4.1.5 - Digital I/O [U3 Datasheet]
4.1.6 - Timers & Counters [U3 Datasheet]
4.1.7 - Stream Mode [U3 Datasheet]
4.1.8 - Raw Output/Input [U3 Datasheet]
4.1.9 - Easy Functions [U3 Datasheet]
4.1.10 - SPI Serial Communication [U3 Datasheet]
4.1.11 - I²C Serial Communication [U3 Datasheet]
4.1.12 - Asynchronous Serial Communication [U3 Datasheet]
4.1.13 - Watchdog Timer [U3 Datasheet]
4.1.14 - Miscellaneous [U3 Datasheet]

5 - Low-level Functionality [U3 Datasheet]
Appendix A - Specifications [U3 Datasheet]
Appendix B - Enclosure and PCB Drawings [U3 Datasheet]
U3 Firmware Revision History [U3 Datasheet]

U6 Datasheet

Preface: Warranty, Liability, Compliance [U6 Datasheet]

1 - Installation [U6 Datasheet]

1.1 - Control Panel Application (LJControlPanel) [U6 Datasheet]
1.2 - Self-Upgrade Application (LJSelfUpgrade) [U6 Datasheet]
1.3 - LJLogUD and LJStreamUD [U6 Datasheet]

2 - Hardware Description [U6 Datasheet]

2.1 - USB [U6 Datasheet]
2.2 - Power and Status LED [U6 Datasheet]
2.3 - GND and SGND [U6 Datasheet]
2.4 - VS [U6 Datasheet]
2.5 - 10UA and 200UA [U6 Datasheet]

2.6 - AIN [U6 Datasheet]

2.6.1 Channel Numbers
2.6.2 - Converting Binary Readings to Voltages [U6 Datasheet]
2.6.3 - Typical Analog Input Connections [U6 Datasheet]
2.6.4 - Internal Temperature Sensor [U6 Datasheet]
2.6.5 - Signal Range [U6 Datasheet]

2.7 - DAC [U6 Datasheet]

2.7.1 - Typical Analog Output Connections [U6 Datasheet]

2.8 - Digital I/O [U6 Datasheet]

2.8.1 - Typical Digital I/O Connections [U6 Datasheet]

2.8.1.1 - Input: Driven Signals [U6 Datasheet]
2.8.1.2 - Input: Open-Collector Signals [U6 Datasheet]
2.8.1.3 - Input: Mechanical Switch Closure [U6 Datasheet]
2.8.1.4 - Output: Controlling Relays [U6 Datasheet]

2.9 - Timers/Counters [U6 Datasheet]

2.9.1 - Timer Mode Descriptions [U6 Datasheet]

2.9.1.1 - PWM Output (16-Bit, Mode 0) [U6 Datasheet]
2.9.1.2 - PWM Output (8-Bit, Mode 1) [U6 Datasheet]
2.9.1.3 - Period Measurement (32-Bit, Modes 2 & 3) [U6 Datasheet]
2.9.1.4 - Duty Cycle Measurement (Mode 4) [U6 Datasheet]
2.9.1.5 - Firmware Counter Input (Mode 5) [U6 Datasheet]
2.9.1.6 - Firmware Counter Input With Debounce (Mode 6) [U6 Datasheet]
2.9.1.7 - Frequency Output (Mode 7) [U6 Datasheet]
2.9.1.8 - Quadrature Input (Mode 8) [U6 Datasheet]
2.9.1.9 - Timer Stop Input (Mode 9) [U6 Datasheet]
2.9.1.10 - System Timer Low/High Read (Modes 10 & 11) [U6 Datasheet]
2.9.1.11 - Period Measurement (16-Bit, Modes 12 & 13) [U6 Datasheet]
2.9.1.12 - Line-to-Line Measurement (Mode 14) [U6 Datasheet]

2.9.2 - Timer Operation/Performance Notes [U6 Datasheet]

2.10 - SPC (or VSPC) [U6 Datasheet]
2.11 - DB37 [U6 Datasheet]
2.12 - DB15 [U6 Datasheet]
2.13 - OEM Connector Options [U6 Datasheet]

3 - Operation [U6 Datasheet]

3.1 - Command/Response [U6 Datasheet]

3.2 - Stream Mode [U6 Datasheet]

3.2.1 - Streaming Digital Inputs, Timers, and Counters [U6 Datasheet]

4 - LabJackUD High-Level Driver [U6 Datasheet]

4.1 - Example Pseudocode [U6 Datasheet]

4.1.1 - Open [U6 Datasheet]
4.1.2 - Configuration [U6 Datasheet]
4.1.3 - Analog Inputs [U6 Datasheet]
4.1.4 - Analog Outputs [U6 Datasheet]
4.1.5 - Digital I/O [U6 Datasheet]
4.1.6 - Timers & Counters [U6 Datasheet]
4.1.7 - Stream Mode [U6 Datasheet]
4.1.8 - Raw Output/Input [U6 Datasheet]
4.1.9 - Easy Functions [U6 Datasheet]
4.1.10 - SPI Serial Communication [U6 Datasheet]
4.1.11 - I²C Serial Communication [U6 Datasheet]
4.1.12 - Asynchronous Serial Communication [U6 Datasheet]
4.1.13 - Watchdog Timer [U6 Datasheet]
4.1.14 - Miscellaneous [U6 Datasheet]

5 - Low-level Functionality [U6 Datasheet]
Appendix A - Specifications [U6 Datasheet]
Appendix B - Noise and Resolution Tables [U6 Datasheet]
Appendix C - Enclosure and PCB Drawings [U6 Datasheet]
U6 Firmware Revision History [U6 Datasheet]

UE9 Datasheet

Preface [UE9 Datasheet]

1 - Installation [UE9 Datasheet]

1.1 - Control Panel Application (LJControlPanel) [UE9 Datasheet]
1.2 - Self-Upgrade Application (LJSelfUpgrade) [UE9 Datasheet]

2 - Hardware Description [UE9 Datasheet]

2.1 - USB [UE9 Datasheet]
2.2 - Ethernet [UE9 Datasheet]
2.3 - Vext (Screw Terminals and Power Jack) [UE9 Datasheet]
2.4 - Comm and Control LEDs [UE9 Datasheet]
2.5 - GND and SGND [UE9 Datasheet]
2.6 - VS [UE9 Datasheet]

2.7 - AIN [UE9 Datasheet]

2.7.1 - Channel Numbers [UE9 Datasheet]
2.7.2 - Converting Binary Readings to Voltages [UE9 Datasheet]
2.7.3 - Typical Analog Input Connections [UE9 Datasheet]
2.7.4 - Internal Temperature Sensor [UE9 Datasheet]

2.8 - DAC [UE9 Datasheet]

2.8.1 - Typical Analog Output Connections [UE9 Datasheet]

2.8.1.2 - Different Output Ranges [UE9 Datasheet]

2.9 - Digital I/O [UE9 Datasheet]

2.10 - Timers/Counters [UE9 Datasheet]

2.10.1 - Timer Mode Descriptions [UE9 Datasheet]

2.10.1.1 - PWM Output (16-Bit, Mode 0) [UE9 Datasheet]
2.10.1.2 - PWM Output (8-Bit, Mode 1) [UE9 Datasheet]
2.10.1.3 - Period Measurement (32-Bit, Modes 2 & 3) [UE9 Datasheet]
2.10.1.4 - Duty Cycle Measurement (Mode 4) [UE9 Datasheet]
2.10.1.5 - Firmware Counter Input (Mode 5) [UE9 Datasheet]
2.10.1.6 - Firmware Counter Input With Debounce (Mode 6) [UE9 Datasheet]
2.10.1.7 - Frequency Output (Mode 7) [UE9 Datasheet]
2.10.1.8 - Quadrature Input (Mode 8) [UE9 Datasheet]
2.10.1.9 - Timer Stop Input (Mode 9) [UE9 Datasheet]
2.10.1.10 - System Timer Low/High Read (Modes 10 & 11) [UE9 Datasheet]
2.10.1.11 - Period Measurement (16-Bit, Modes 12 & 13) [UE9 Datasheet]

2.10.2 - Timer Operation/Performance Notes [UE9 Datasheet]

2.11 - SCL and SDA (or SCA) [UE9 Datasheet]

2.12 - DB37 [UE9 Datasheet]

2.12.1 - CB37 Terminal Board [UE9 Datasheet]
2.12.2 - EB37 Experiment Board [UE9 Datasheet]

2.13 - DB15 [UE9 Datasheet]

2.13.1 - CB15 Terminal Board [UE9 Datasheet]
2.13.2 - RB12 Relay Board [UE9 Datasheet]

2.14 - OEM Connector Options [UE9 Datasheet]

3 - Operation [UE9 Datasheet]

3.1 - Command/Response [UE9 Datasheet]

3.2 - Stream Mode [UE9 Datasheet]

3.2.1 - External Triggering [UE9 Datasheet]
3.2.2 - Streaming Digital Inputs, Timers, and Counter0 [UE9 Datasheet]

4 - LabJackUD High-Level Driver [UE9 Datasheet]

4.1 - Example Pseudocode [UE9 Datasheet]

4.1.2 - Configuration [UE9 Datasheet]
4.1.1 - Open [UE9 Datasheet]
4.1.3 - Analog Inputs [UE9 Datasheet]
4.1.4 - Analog Outputs [UE9 Datasheet]
4.1.5 - Digital I/O [UE9 Datasheet]
4.1.6 - Timers & Counters [UE9 Datasheet]

4.1.7 - Stream Mode [UE9 Datasheet]

4.1.7.1 - Stream DAC [UE9 Datasheet]

4.1.8 - Raw Output/Input [UE9 Datasheet]
4.1.9 - Easy Functions [UE9 Datasheet]
4.1.10 - SPI Serial Communication [UE9 Datasheet]
4.1.11 - I²C Serial Communication [UE9 Datasheet]
4.1.12 - Asynchronous Serial Communication [UE9 Datasheet]
4.1.13 - Watchdog Timer [UE9 Datasheet]
4.1.14 - Miscellaneous [UE9 Datasheet]

5 - Low-level Functionality [UE9 Datasheet]

6 - Low-level Native Examples [UE9 Datasheet]

UE9 LabVIEW Native TCP Example [UE9 Datasheet]
UE9 C Native TCP Example [UE9 Datasheet]
UE9 PocketPC Native TCP Example [UE9 Datasheet]
UE9 Modbus TCP Example [UE9 Datasheet]
Pocket PC Native USB Example [UE9 Datasheet]

Appendix A - Specifications [UE9 Datasheet]
Appendix B - Noise and Resolution Tables [UE9 Datasheet]
Appendix C - Enclosure and PCB Drawings [UE9 Datasheet]
UE9 Firmware Revision History [UE9 Datasheet]

U12 Datasheet

1 - Installation [U12 Datasheet]

1.1 - Hardware Installation [U12 Datasheet]
1.2 - Software Installation [U12 Datasheet]

2 - Hardware Description [U12 Datasheet]

2.1 - AI0-AI7 [U12 Datasheet]
2.2 - AO0 & AO1 [U12 Datasheet]
2.3 - IO0-IO3 [U12 Datasheet]
2.4 - D0-D15 [U12 Datasheet]
2.5 - CNT [U12 Datasheet]
2.6 - CAL - STB [U12 Datasheet]
2.7 - +5V [U12 Datasheet]
2.8 - GND [U12 Datasheet]
2.9 - OEM Versions [U12 Datasheet]

3 - Example Applications [U12 Datasheet]

3.1 - LJconfig [U12 Datasheet]
3.2 - LJcounter [U12 Datasheet]
3.3 - LJfg [U12 Datasheet]
3.4 - LJlogger [U12 Datasheet]
3.5 - LJscope [U12 Datasheet]
3.6 - LJstream [U12 Datasheet]
3.7 - LJtest [U12 Datasheet]
3.8 - LJSHT [U12 Datasheet]
3.9 - LJSHTmulti [U12 Datasheet]

4 - Programming Reference [U12 Datasheet]

4.1 - EAnalogIn [U12 Datasheet]
4.2 - EAnalogOut [U12 Datasheet]
4.3 - ECount [U12 Datasheet]
4.4 - EDigitalIn [U12 Datasheet]
4.5 - EDigitalOut [U12 Datasheet]
4.6 - AISample [U12 Datasheet]
4.7 - AIBurst [U12 Datasheet]
4.8 - AIStreamStart [U12 Datasheet]
4.9 - AIStreamRead [U12 Datasheet]
4.10 - AIStreamClear [U12 Datasheet]
4.11 - AOUpdate [U12 Datasheet]
4.12 - AsynchConfig [U12 Datasheet]
4.13 - Asynch [U12 Datasheet]
4.14 - BitsToVolts [U12 Datasheet]
4.15 - VoltsToBits [U12 Datasheet]
4.16 - Counter [U12 Datasheet]
4.17 - DigitalIO [U12 Datasheet]
4.18 - GetDriverVersion [U12 Datasheet]
4.19 - GetErrorString [U12 Datasheet]
4.20 - GetFirmwareVersion [U12 Datasheet]
4.21 - GetWinVersion [U12 Datasheet]
4.22 - ListAll [U12 Datasheet]
4.23 - LocalID [U12 Datasheet]
4.24 - NoThread [U12 Datasheet]
4.25 - PulseOut [U12 Datasheet]
4.26 - PulseOutStart [U12 Datasheet]
4.27 - PulseOutFinish [U12 Datasheet]
4.28 - PulseOutCalc [U12 Datasheet]
4.29 - ReEnum [U12 Datasheet]
4.30 - Reset (or ResetLJ) [U12 Datasheet]
4.31 - SHT1X [U12 Datasheet]
4.32 - SHTComm [U12 Datasheet]
4.33 - SHTCRC [U12 Datasheet]
4.34 - Synch [U12 Datasheet]
4.35 - Watchdog [U12 Datasheet]
4.36 - ReadMem [U12 Datasheet]
4.37 - WriteMem [U12 Datasheet]
4.38 - BuildOptionBits (ActiveX only) [U12 Datasheet]
4.39 - FourPack (ActiveX only) [U12 Datasheet]
4.40 - Description of Errorcodes [U12 Datasheet]

5 - Low-Level Function Reference [U12 Datasheet]

5.1 - AISample [U12 Datasheet]
5.2 - DIO [U12 Datasheet]
5.3 - Counter [U12 Datasheet]
5.4 - Counter/AO/DIO [U12 Datasheet]
5.5 - AIBurst [U12 Datasheet]
5.6 - AIContinuous [U12 Datasheet]
5.7 - Pulseout [U12 Datasheet]
5.8 - Reset [U12 Datasheet]
5.9 - Re-Enumerate [U12 Datasheet]
5.10 - Watchdog [U12 Datasheet]
5.11 - Read RAM [U12 Datasheet]
5.12 - Write RAM [U12 Datasheet]
5.13 - Asynch [U12 Datasheet]
5.14 - SPI [U12 Datasheet]
5.15 - SHT1X [U12 Datasheet]

Appendix A - Specifications [U12 Datasheet]
Appendix B - Dimensions [U12 Datasheet]
Appendix C - U12 Hardware Troubleshooting [U12 Datasheet]
Appendix D - Maximum Data Rates for the LabJack U12 [U12 Datasheet]

Digit (Discontinued)

Digit-TLH (Discontinued)
Appendix A - Digit Hardware Versions (Discontinued)
Appendix B - Digit Low-Level Docs (Discontinued)

App Notes

Analog Input App Notes

Test an AIN Channel (App Note)
Troubleshooting Your Analog Input Signal (App Note)
Floating/Unconnected Analog Inputs (App Note)
Unpowered Isolated Signals (App Note)
Externally Powered Signals (App Note)
Amplifying Small Signal Voltages (App Note)
Signal Voltages Out of Range (App Note)
Analog Input Settling Time (App Note)
Differential Readings (App Note)
Noise and Resolution (App Note)
Resolution and Accuracy (App Note)
Typical Analog Sensors (App Note)
Measuring 120/240 VAC (App Note)
Measuring Current (App Note)
Measuring Resistance (App Note)

Sensor App Notes

Bridge Circuits (App Note)

Strain Gauges (App Note)

Flowmeters (App Note)
Accelerometers (App Note)
Microphones (App Note)
Pressure Sensors (App Note)

Range, Depth and Displacement Sensors (App Note)

MB7569 MaxBotix Ultrasonic Sensor (App Note)

Measuring Frequency/Pulses (App Note)

Temperature Sensors (App Note)

Thermocouples (App Note)

How Does a Thermocouple Work?
Selecting the Right Hardware

Using a Thermocouple with LabJack

Using a Thermocouple with the LabJack T4
Using a Thermocouple with the T7
Using a Thermocouple with the T8
Using a Thermocouple with the LabJack U3
Using a Thermocouple with the U6

Troubleshooting

RTDs (App Note)

Waveform Generation (App Note)

Digital I/O App Notes

Test a Digital I/O Channel (App Note)
Troubleshooting a Digital I/O (App Note)
Controlling Contact Closure Inputs (App Note)
Controlling Relays and Loads (App Note)
Driven Signals (App Note)
Driving LEDs (App Note)
Dry Contact Relay/Switch Signals (App Note)
Open-Collector Signals (App Note)
Rotary Encoders
Solid-State Relay Control Box for AC Devices (App Note)
Stepper Motor Controller

Serial Protocols App Notes

1-Wire (App Note)

I2C Resources (App Note)

I2C [U3, U6, UE9] (App Note)

HMC6352 Magnetometer - I2C (App Note)
Melexis MLX90614 IR Temperature Sensor - I2C (App Note)

SCA3000 3-Axis Accelerometer-SPI (App Note)

Networking App Notes

Basic Networking & Troubleshooting (App Note)
Setup WiFi and Ethernet for T-Series Devices (App Note)
USB via Ethernet/WiFi/Fiber (App Note)

Using a WiFi Bridge (App Note)

Suggested Travel Routers/WiFi Bridges

DAQConnect (App Note)
Monitor with GoogleDrive (App Note)
Advanced Networking (App Note)
Controlling LabJack T4 and T7 with 3rd party HMI or PLCs
Direct Connection via Ethernet (App Note)

LabJack via Internet (App Note)

Appendix A - Diagrams

Power over Ethernet (App Note)
Sending Emails From a Program
TCP Open Testing in Python (App Note)
Ethernet Troubleshooting (App Note)
T-Series WiFi Troubleshooting (App Note)

Frequently Asked Support Questions (FASQ)

Device Not Found? (App Note)
USB Communication Failure (App Note)
Error 1722 from LabVIEW Run-Time Engine 6.0.2 Installer (App Note)
High Speed Command-Response Sample Rates
Screenshots For Troubleshooting (App Note)
Screw Terminals (App Note)
T4 and T7 with Raspberry Pi 3 and Cloud9 (App Note)
U3 Compared U12 / UE9 / U6 / T-series (App Note)
Windows Installer Troubleshooting (App Note)
What driver/library should I use with my LabJack?
ECG with T7-Pro (App Note)
What is LabJack software licensed under?
LabVIEW Load Error Code 21: External Subroutine Required (App Note)
Standalone Data Logging System with LabJack T4 and Raspberry Pi (App Note)
Stream Scan Timing
Using LabJack Hardware in WSL
Migration Guide: LabJack UE9 to T7

Product Testing

Battery Pack Testing

Misc. Utility Apps

UE9 Calibration App
UE9 Ethernet Test App
Android TCP App
EI-1050 Utility for Windows [U3/U6/UE9]
Quicklin for U6-Pro/T7-Pro
U12 Misc. Apps
Examples (UD or LJM)

DAQFactory - LabJack Application Guide

1 - Introduction (Applies to UD-Series)
2 - Installing and Starting (Applies to UD-Series)

3 - Basic I/O, read/write analog/digital (Applies to UD-Series)

3.1 - Reading inputs (Applies to UD-Series)
3.2 - Differential analog inputs (Applies to UD-Series)
3.3 - Channel Pinouts (Applies to UD-Series)
3.4 - Setting outputs (Applies to UD-Series)

4 - Displaying the data (Applies to T-Series and UD-Series)

4.1 - Manipulating the screen components (Applies to T-Series and UD-Series)
4.2 - Variable value components for numeric display (Applies to T-Series and UD-Series)
4.3 - Conversions Vs. Direct Expressions (Applies to T-Series and UD-Series)
4.4 - Descriptive text components for textual display (Applies to T-Series and UD-Series)
4.5 - Graphing (Applies to T-Series and UD-Series)
4.6 - Outputting with variable value and descriptive text components (Applies to T-Series and UD-Series)

5 - Logging (Applies to T-Series and UD-Series)

5.1 - Logging to ASCII files (Applies to T-Series and UD-Series)
5.2 - Batch logging (Applies to T-Series and UD-Series)
5.3 - Doing Daily Logs (Applies to T-Series and UD-Series)
5.4 - Conditional logging and the export set (Applies to T-Series and UD-Series)
5.5 - Loading Logged Data Into Excel (Applies to T-Series and UD-Series)

6 - Intro To Scripting (Applies to T-Series and UD-Series)

6.1 - Creating sequences (Applies to T-Series and UD-Series)
6.2 - Scripting basics (Applies to T-Series and UD-Series)

7 - Some Common Tasks (Applies to T-Series and UD-Series)

7.1 - Doing Things Based on Input (Applies to T-Series and UD-Series)
7.2 - Sending Email Out of DAQFactory (Applies to T-Series and UD-Series)
7.3 - Uploading Data Using FTP (Applies to T-Series and UD-Series)
7.4 - Performing a ramped output (Applies to T-Series and UD-Series)
7.5 - Real-time web access with DAQConnect (Applies to T-Series and UD-Series)

8 - Calling the LabJack UD (Applies to UD-Series)

8.1 - Using() and include() for LabJack (Applies to UD-Series)
8.2 - Doing Configuration Steps (Applies to UD-Series)
8.3 - Error Handling with OnAlert (Applies to UD-Series)
8.4 - Handling Disconnect / Reconnect (Applies to UD-Series)
8.5 - Error Handling in Scripts (Applies to UD-Series)

9 - Analog and Digital I/O (Applies to UD-Series)

9.1 - Low Speed < 100Hz Acquisition (Applies to UD-Series)
9.2 - High Speed Acquisition - Streaming (Applies to UD-Series)
9.3 - Thermocouples (Applies to UD-Series)

10 - Counters and Timers (Applies to UD-Series)

10.1 - Configuring (Applies to UD-Series)
10.2 - Reading Values for Counters and Input Timers (Applies to UD-Series)
10.3 - Basic Counter and Timer Setup (Applies to UD-Series)
10.4 - Resetting Counters (Applies to UD-Series)
10.5 - Setting Up Specific Timer Modes (Applies to UD-Series)

11 - Advanced (Applies to UD-Series)

11.1 - Opening A LabJack Manually (Applies to UD-Series)
11.2 - Raw In/Out and Other Functions That Require Array Pointers (Applies to UD-Series)
11.3 - SPI Communications (Applies to UD-Series)
11.4 - Utilizing Multicore Processors (Applies to UD-Series)
11.5 - Unsupported Functions (Applies to UD-Series)

Example Code/Wrappers

LJM Example Code (T-Series Devices Only)

C/C++ for LJM - Windows, Mac, Linux

Compiling LJM Programs for C/C++
Dynamic Runtime Linking
Previous C/C++ Example Downloads

C# .NET for LJM - Windows
DAQFactory for LJM - Windows
DASYLab for LJM - Windows Only
Delphi for LJM - Windows
Java for LJM - Windows, Mac, Linux
LabVIEW for LJM - Windows & macOS
LabWindows/CVI for LJM - Windows
MATLAB for LJM - Windows
Node.js for LJM - Windows, Mac, Linux
Processing for LJM - Windows, Mac, Linux
Python for LJM - Windows, Mac, Linux
VEE for LJM - Windows
Visual Basic .NET for LJM - Windows
Visual Basic, VB6, VBA for LJM - Windows

UD Example Code (U3, U6, UE9)

C#, VB .NET for UD - Windows
C/C++, Dev-C for UD - Windows
C/C++, VC6 for UD - Windows
DAQFactory for UD - Windows

DASYLab for UD - Windows

Modbus
LabJackDASY

Delphi for UD - Windows
Igor Pro for UD - Windows
Java for UD - Windows

LabJackPython for UD, Exodriver, U12 - Windows, Mac, Linux

Low-level Commands Quickstart
Modbus Quickstart (Deprecated)

LabVIEW for UD - Windows
LabWindows/CVI for UD - Windows
MATLAB for UD - Windows
PureBasic for UD - Windows
VEE for UD - Windows
Visual Basic, VB6, VBA for UD - Windows

Direct Modbus TCP Examples

LabVIEW Modbus TCP
Node.js Modbus TCP
Python Modbus TCP
C/C++ Modbus TCP
C# .NET Modbus TCP

Lua Script Examples (T-Series Devices Only)

Helpful Information
Moving Average

I2C Sensor Examples

Differential Pressure Sensor (SDP611)
IR Temperature Sensor (MLX90614)
Adafruit 10-DOF IMU Breakout
Accelerometer (ADXL345)
RGB Color Sensor (TCS34725)
Gyroscope (PS-ITG-3200)
ToF Range Finder Sensor (VL6180X)
Ultrasonic Range Finder (SRF02)
Digital I/O Expander (SX1509)

U12 Example Code

Borland C Builder for U12 - Windows
C#, VB .NET for U12 - Windows
C Bit Operations for U12 - Windows
C SPI Example for U12 - Windows
DAQFactory for U12 - Windows
Delphi for U12 - Windows
Delphi IO Example for U12 - Windows
Dev-C++ for U12 - Windows
Java for U12 - Windows
LabVIEW Examples for U12 - Windows
LabWindows/CVI for U12 - Windows
LJsimplelog (exe and LabVIEW source) for U12 - Windows
LJstream1 (exe and LabVIEW source) for U12 - Windows
LJstream2 (exe and LabVIEW source) for U12 - Windows
MATLAB for U12 - Windows
Perl Driver for U12 - Windows, Linux
PowerBASIC for U12 - Windows
Python for U12 - Windows, Mac, Linux
TestPoint for U12 - Windows
VB6 DirectDLL for U12 - Windows
VBA Excel for U12 - Windows
VC6 Simple Example for U12 - Windows
VC6 Stream Example for U12 - Windows
VEE for U12 - Windows
Visual Basic 6, VB6 for U12 - Windows
Visual C++ DLL for U12 - Windows
Visual C++ OCX for U12 - Windows

Quickstart Tutorials

U3 Quickstart for Windows Tutorial

U3 Software Options

U6 Quickstart for Windows Tutorial

U6 Software Options

U12 Quickstart

UE9 Quickstart for Windows

UE9 Software Options

Software & Driver

Software Installer Downloads

LJM Software Installer Downloads - T4, T7, T8, Digit

LJM Software Installer - Windows

Minimal LJM Installers
Integrating LabJack Software Into an Installer
Archived Releases

LJM Software Installer - macOS x64
LJM Software Installer - macOS ARM64
LJM Software Installer - Linux x64
LJM Software Installer - Linux ARM Family
LJM Installation Instructions
Experimental and Temporary Installers
LJM Uninstallation Instructions
LJLogM and LJStreamM Update Package

UD Software Installer Downloads - U3, U6, UE9

Archived/Barebones Versions

UD Setup V3.15
LabJack UD Setup V3.15 64-bit (Outdated)
Windows Setup Basic (Driver only)
UD Setup V3.06

LJLogUD and LJStreamUD Update Package
UD Version History

U12 Software Installer Downloads - U12

U12 Mac & Linux Driver (ljacklm)

Exodriver Downloads (for UD-series Linux and macOS support)

Building Exodriver Programs

API Documentation

LJM Library Overview

LJM User's Guide

LJM Function Reference

Opening and Closing [LJM User's Guide]

Open [LJM User's Guide]

OpenS [LJM User's Guide]

Identifier Parameter [LJM User's Guide]

Close [LJM User's Guide]
CloseAll [LJM User's Guide]

LJM Single Value Functions

eWriteName [LJM User's Guide]
eReadName [LJM User's Guide]
eWriteAddress
eReadNameString
eReadAddress [LJM User's Guide]
eWriteNameString [LJM User's Guide]
eWriteAddressString [LJM User's Guide]
eReadAddressString [LJM User's Guide]

LJM Multiple Value Functions

eWriteNames [LJM User's Guide]
eReadNames [LJM User's Guide]
eWriteAddresses [LJM User's Guide]
eReadAddresses [LJM User's Guide]
eNames [LJM User's Guide]
eAddresses [LJM User's Guide]
eReadAddressArray [LJM User's Guide]
eReadAddressByteArray [LJM User's Guide]
eReadNameArray [LJM User's Guide]
eReadNameByteArray [LJM User's Guide]
eWriteAddressArray [LJM User's Guide]
eWriteAddressByteArray [LJM User's Guide]
eWriteNameArray [LJM User's Guide]
eWriteNameByteArray [LJM User's Guide]

LJM Stream Functions [LJM User's Guide]

eStreamStart [LJM User's Guide]
eStreamRead [LJM User's Guide]
eStreamStop [LJM User's Guide]
StreamBurst [LJM User's Guide]
SetStreamCallback [LJM User's Guide]
GetStreamTCPReceiveBufferStatus [LJM User's Guide]
PeriodicStreamOut [LJM User's Guide]
InitializeAperiodicStreamOut [LJM User's Guide]
WriteAperiodicStreamOut [LJM User's Guide]

Device Information Functions [LJM User's Guide]

GetHandleInfo [LJM User's Guide]
ListAll [LJM User's Guide]
ListAllS [LJM User's Guide]
ListAllExtended [LJM User's Guide]
RegisterDeviceReconnectCallback [LJM User's Guide]

LJM Utility Functions

ErrorToString [LJM User's Guide]
TCVoltsToTemp [LJM User's Guide]
NumberToIP [LJM User's Guide]
NumberToMAC [LJM User's Guide]
IPToNumber [LJM User's Guide]
MACToNumber [LJM User's Guide]
NameToAddress [LJM User's Guide]
NamesToAddresses [LJM User's Guide]
AddressToType [LJM User's Guide]
AddressesToTypes [LJM User's Guide]

LJM Timing Functions

GetHostTick [LJM User's Guide]
GetHostTick32Bit [LJM User's Guide]
StartInterval [LJM User's Guide]
WaitForNextInterval [LJM User's Guide]
CleanInterval [LJM User's Guide]

LJM Debugging Functions

Log [LJM User's Guide]
ResetLog [LJM User's Guide]

Low-level LJM Functions

LJM Feedback Functions

AddressesToMBFB [LJM User's Guide]
MBFBComm [LJM User's Guide]
UpdateValues [LJM User's Guide]

LJM Raw Byte Functions

ReadRaw [LJM User's Guide]
WriteRaw [LJM User's Guide]

LJM Type Conversion Functions

ByteArrayToFLOAT32 [LJM User's Guide]
ByteArrayToINT32 [LJM User's Guide]
ByteArrayToUINT16 [LJM User's Guide]
ByteArrayToUINT32 [LJM User's Guide]
FLOAT32ToByteArray [LJM User's Guide]
INT32ToByteArray [LJM User's Guide]
UINT16ToByteArray [LJM User's Guide]
UINT32ToByteArray [LJM User's Guide]

LJM Library Configuration Functions

GetSpecificIPsInfo [LJM User's Guide]
LoadConfigurationFile [LJM User's Guide]
LoadConstants [LJM User's Guide]
LoadConstantsFromFile [LJM User's Guide]
LoadConstantsFromString [LJM User's Guide]
ReadLibraryConfigS [LJM User's Guide]
ReadLibraryConfigStringS [LJM User's Guide]
WriteLibraryConfigS [LJM User's Guide]
WriteLibraryConfigStringS [LJM User's Guide]
GetDeepSearchInfo [LJM User's Guide]

LJM Constants

LJM Timeout Configs

LJM_ETHERNET_OPEN_TIMEOUT_MS
LJM_ETHERNET_SEND_RECEIVE_TIMEOUT_MS
LJM_STREAM_RECEIVE_TIMEOUT_MODE
LJM_STREAM_RECEIVE_TIMEOUT_MS
LJM_USB_SEND_RECEIVE_TIMEOUT_MS
LJM_WIFI_OPEN_TIMEOUT_MS
LJM_WIFI_SEND_RECEIVE_TIMEOUT_MS
LJM_OPEN_TCP_DEVICE_TIMEOUT_MS
LJM_SEND_RECEIVE_TIMEOUT_MS

LJM Specific IPs

LJM_SPECIAL_ADDRESSES_STATUS
LJM_SPECIFIC_IPS_FILE

LJM Startup Configs

LJM Auto IPs

LJM_AUTO_IPS
LJM_AUTO_IPS_FILE

LJM Deep Search

LJM_DEEP_SEARCH_FILE

LJM Device Search Configs
LJM RPC Configs
LJM Reconnect Configs
LJM Debug Logger Configs
LJM Modbus/Errorcode Interpretation Constants
LJM Stream Configs
LJM Packet Configs
LJM Interval Configs
LJM_LIBRARY_VERSION

LJM Error Codes

Installed Error Codes

LJM Troubleshooting / FAQ

Does LJM handle signals?
Streaming: LJM_eStreamRead gives error 1301 (LJME_LJM_BUFFER_FULL) or many -9999 values in aData. What can I try?
What LJM files are installed on my machine?
What are the system requirements? [LJM User's Guide]
What network adapters will LJM use?
While writing to internal flash, I'm getting "INTFLASH_KEY_INVALID - Error code: 2354". How do I write to internal flash?
Why won't LJM open devices or find devices via LJM_ListAll through the network?
LJME_RECONNECT_FAILED
Is LJM thread-safe?
gdb breaks with "signal SIG40, Real-time event 40."
Can I write an LJM program without a device present?
What permissions does LJM need?
How do I disable gRPC? [LJM User's Guide]
Does LJM support Windows UWP?
Sharing a particular device among multiple processes or computers [LJM User's Guide]
LJME_ATTR_LOAD_COMM_FAILURE

LJM Changelog
LJM Example Programs

UD Library User's Guide

UD Library Function Reference

ListAll() [UD Library]
OpenLabJack() [UD Library]
eGet() and ePut() [UD Library]
eAddGoGet() [UD Library]
AddRequest() [UD Library]
Go() and GoOne() [UD Library]
GetResult() [UD Library]
GetFirstResult() and GetNextResult() [UD Library]
DoubleToStringAddress() [UD Library]
StringToDoubleAddress() [UD Library]
StringToConstant() [UD Library]
ErrorToString()
GetDriverVersion() [UD Library]
TCVoltsToTemp() [UD Library]
ResetLabJack() [UD Library]
eAIN() [UD Library]
eDAC() [UD Library]
eDI() [UD Library]
eDO() [UD Library]
eTCConfig() [UD Library]
eTCValues() [UD Library]

UD Library Example Pseudocode
UD Library Errorcodes
Appendix A - UD Software Options

Low Level UD User's Guide

General Protocol (UD Devices Only)

Low Level Functions (UD Devices Only)

Bad Checksum

Config Device Functions

ConfigU3 (U3 Only)
ConfigU6 (U6 Only)
ControlConfig (UE9 Only)

ConfigTimerClock (U3 and U6 Only)

Feedback (U3 and U6 Only)

AIN: IOType = 1
AIN24: IOType = 2 (U6 Only)
AIN24AR: IOType = 3 (U6 Only)
WaitShort: IOType = 5
WaitLong: IOType = 6
LED: IOType=9
BitStateRead: IOType=10
BitStateWrite: IOType=11
BitDirRead: IOType=12
BitDirWrite: IOType=13
PortStateRead: IOType=26
PortStateWrite: IOType=27
PortDirRead: IOType=28
PortDirWrite: IOType=29
DAC# (8-bit): IOType=34,35
DAC# (16-bit): IOType=38,39
Timer#: IOType=42,44
Timer#Config: IOType=43,45
Counter#: IOType=54,55
Buzzer, IOType=63 (U3 rev1.20-1.21 Only)

Feedback and FeedbackAlt (UE9 Only)
ConfigIO (U3 and U6 )
SingleIO (UE9 Only)
TimerCounter (UE9 Only)
ReadMem
WriteMem
EraseMem
SetDefaults (SetToFactoryDefaults)
ReadDefaults (ReadCurrent)
Reset
StreamConfig
StreamStart
StreamData
StreamStop
SPI
Watchdog (U3 and U6 Only)

UE9 Only Watchdog Functions

WatchdogConfig (UE9 Only)
Extended WatchdogConfig (UE9 Only)
WatchdogRead (UE9 Only)
WatchDogClear (UE9 Only)

AsynchConfig
AsynchTX
AsynchRX
I2C
SHT1X
1-Wire
StreamAddChannels (U6 Only)
StreamDAC (UE9 Only)

Comm Functions (UE9 Only)

CommConfig (UE9 Only)
FlushBuffer (UE9 Only)
DiscoveryUDP (UE9 Only)
IP Address Filter (UE9 Only)

Low-Level Errorcodes (UD Devices Only)

LabJack Applications

T-Series Applications

Kipling

Device Selector
Direct Connect

Device Information

Hardware Issues Detected

Dashboard
Analog Inputs

Register Matrix

Configuring & Reading a Counter
Configuring & Reading a Quadrature Signal
Configuring & Reading a Thermocouple
Configuring & Reading Frequency
Configuring a PWM Output

Lua Script Debugger
Network Settings
General Configuration
Device Updater
Kipling Hacks and Hidden Features
Kipling Linux Support
Kipling Troubleshooting
Old Kipling Versions
Kipling Change Log

LJLogM - Windows Only

LJLogM Basics Guide

LJStreamM - Windows Only
SD Utility
Additional Utility Applications [T-Series]

UD-Series Applications

LJLogUD - Windows Only

LJLog/Stream Scaling Equations
LJLog/Stream Working Directory
LJLogUD & LJLogM Timestamps
Logging Timers/Counters [U3/U6/UE9]
LJLogUD Basics Guide

LJStreamUD - Windows Only

LJControlPanel - Windows Only

Configuring and Reading Counters [U3/U6/UE9]
Configuring and Reading Timers [U3/U6/UE9]
Advanced Timer/Counter Testing [U3/U6/UE9]

LJSelfUpgrade - Windows Only

Digit Applications (Discontinued)

Otero - Windows Only (Discontinued)

Otero - Multiple Digits (Discontinued)
Otero - Calibrate Humidity (Discontinued)
Otero Changelog (Discontinued)

U12 Applications

3rd Party Applications

DADiSP
DAQFactory
DASYLab
FUXA
Interface Innovations
Machinechat JEDI
MatDeck
ProfiLab
RealView
Simulink
SIGVIEW

Miscellaneous Documentation

LJMRun - Command Line Utility (LJM)
LJSocket (Old, Deprecated, Unsupported)
Programming Resources
U3 Base Class in Linux (Customer made Exodriver wrapper)

Direct Modbus TCP

Getting Started [Direct Modbus TCP]
Modbus Client Applications
Protocol Details [Direct Modbus TCP]
UD Modbus (Old, Deprecated)

Firmware

T4 Firmware
T7 Firmware
T8 Firmware

U3 Firmware Overview

U3 Firmware - Beta
U3 Firmware - Old

U6 Firmware Overview

U6 Firmware - Beta
U6 Firmware - Old

UE9 Firmware Overview

UE9 Firmware - Beta
UE9 Firmware - Old

Digit Firmware Overview

Digit Firmware - Old

Breadcrumbs

Support and Documentation
App Notes
Sensor App Notes
Temperature Sensors (App Note)
Thermocouples (App Note)

On this Page

Using a Thermocouple with LabJack

Please choose your platform:

T4

T7

T8

U3

U6

(Don’t know which one you should use? Consult Selecting the Right Hardware)

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