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LabJack Product Line - USB and Ethernet DAQ Systems

LabJack series - modules and accessories

The LabJack Product Line: USB/Ethernet DAQ Systems and Accessories

It all started with the original LabJack U12 USB mini DAQ. These measurement and control boxes offer analog inputs and outputs as well as digital I/O channels in a very compact and affordable USB module. More models were added - today LabJack offers a comprehensive range of DAQ boxes for industry and laboratory. Models are available with USB, Ethernet/LAN and/or Wireless LAN.

Model Overview

Model Description Interfaces
▸LabJack T8 8 differential, isolated analog inputs (up to 24 bit). 2 analog outputs (16 bit). 20 multi-functional digital-I/Os. USB, LAN
▸LabJack T7 14 analog inputs (16 to 18 bit, optional 24 bit). 2 analog outputs (12 bit) and 2 current outputs (200/10 µA). 23 multifunctional digital-I/O. USB, LAN, WLAN
▸LabJack T4 4 analog inputs (12 bit). 8 configurable inputs (digital inputs or analog inputs, 12 bit). 2 analog outputs (10 bit). 8 digital-I/O lines, counters/timers. USB, LAN
▸LabJack U6 14 analog inputs (12 to 18 bit, optional 22 bit). 2 analog outputs (12 bit) and 2 current outputs (200/10 µA). 20 digital-I/O, 2 counter, 4 timers. USB
▸LabJack U3 16 individually configurable channels as 12 bit analog inputs, digital inputs/outputs or 2 counters 32 bit. 1 fixed 10 bit analog output and second analog output (depending on configuration). 4 discrete I/O-channels. USB
LabJack UE9 (EOL) (EOL/obsolete) 14 analog inputs (12 bit, 50 S/s). 2 analog outputs (12 bit). 12 standard-I/O channels and 8 discrete, multifunctional I/O channels. USB, LAN
▸LabJack U12 8 analog inputs (12 bit, 50 S/s). 2 analog outputs (10 bit). 16 standard-I/O channels and 4 discrete I/O channels. 1x 32 bit counters. USB


LabJack T8 T7 T7-Pro T4 U6 U6-Pro U12 U3-LV U3-HV
Input voltage ±10 V ±10 V ±10 V ±10 V ±10 V ±10 V ±10 V 0...2.4 V ±10 V[1]
Analog inputs 8 diff. 14 14 4 + 8[3] 14 14 8 16 16
Resolution[2] 24 bit 16 bit 22 bit 12 bit 16 bit 22 bit 12 bit 12 bit 12 bit
Digital-I/O 20 23 23 8 + 8[3] 20 20 20 20 16
Logic level 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 5 V 3.3 V 3.3 V
Analog outputs 2 2 2 2 2 2 2 2 2
USB 2.0
Counters up to 16 2 2 10[3] 2 2 1 2 2
Timers 6 6 4 4 - 2 2
SPI/I2C master SPI only
Compatible with LJTick -
Temp sensor fixed fixed fixed - fixed fixed - - -
Ethernet - - - - -
Wireless - - - - - - - -
Scripting - - - - - - -
Real-time clock - - - - - - - -

[1] Can be configures for -10...+20 V range.
[2] According to actual measured data, » application note.
[3] Configurable inputs as analog inputs, digital inputs, counters/timers.

LabJack USB minilabs/DAQ systems