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LabJack Product Comparison Table

Product Comparison

T-Series

UD Series
Legacy
U3-LV U3-HV U6 U6-Pro T4 T7 T7-Pro
Voltage Range[1] 0-2.4V ±10V [1] ±10V ±10V ±10V[4] ±10V ±10V
Analog Inputs 16 16 14 14 12 14 14
Effective Resolution [2] 12 bits 12 bits 16 bits 22 bits 12 bits 16 bits 22 bits
Digital I/O 20 16 20 20 16 23 23
Logic Level 3.3V 3.3V 3.3V 3.3V 3.3V 3.3V 3.3V
Analog Outputs 2 2 2 2 2 2 2
Counters Up to 2 Up to 2 Up to 2 Up to 2 Up to 10 Up to 10 Up to 10
USB Yes Yes Yes Yes Yes Yes Yes
LJTick Compatible Yes Yes Yes Yes Yes Yes Yes
Internal Temp Sensor Yes Yes Yes Yes Yes Yes Yes
Thermocouple Ready [3] No No Yes Yes No Yes Yes
Ethernet No No No No Yes Yes Yes
Modbus TCP No No No No Yes Yes Yes
On-board Scripting No No No No Yes Yes Yes
Wireless No No No No No No Yes
Real-time Clock No No No No No No Yes
OEM Version Yes Yes Yes Yes Yes Yes Yes
Recommended [5] Yes Yes Yes Yes Yes Yes Yes
[1] Can be configured for -10V to +20V range.
[2] According to actual measured data, see related Noise and Resolution (App Note)
[3] If not thermocouple ready, can purchase an amplifier like the LJTick-InAmp, see related Thermocouples (App Note)
[4] The T4 has 4 high voltage (±10V) and up to 8 low voltage (0-2.5V) analog input lines
[5] The U12, UE9, and UE9-Pro are older devices and are not recommended for most new applications. Consider using the T4, T7, U3, or U6.

For more details, see the comparison page.