XU4 (4 Wire) - USB Programmable Universal Input Single Transmitter:

Product Specifications:

Download XU Transmitters Sales Brochure

Download Installation Guide

Download XU Programming Software

Note: Requires the XU-USB programming key.


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  • Programmable via USB (requires the XU-USB programming key).
  • No power supply or calibration required during programming.
  • Input Types:
    • RTD Pt100 and Pt1000.
    • Thermocouple B, E, J, K, N, R, S, T.
    • For RTD and Thermocouple; Output is Linear with Temperature.
    • DC: mA, mV and V.
    • Potentiometer.
    • 32 point curve fitter for mA, mV, V inputs.
  • Input to Output Isolation 3750Vac.
  • High Accuracy 0.1%.
  • Universal AC/DC Power Supply; 20~265Vac or 21~265Vdc.
  • Reverse Polarity Protection.
  • Heartbeat Status LED.
  • Zero Adjust pot.
  • Offset available via XU Software.
  • Case Temperature range -20°C to +80°C.
  • Compact DIN Rail Mount Enclosure.
  • Easy to Install.
  • Low Cost.

Ordering Information:

XU4 USB Programmable Universal-Input
Standard = RTD Pt100, 0~100°C Input; 4~20mA Output; Upscale.
XU-USB USB Programming Key for programming XU Transmitters with XU Software.
Note: the same XU-USB can be used to program any of the XU Series transmitters
- just change the included adaptor plug for DIN or In-Head!

(Same Key as used for programming 2400-A16, Z-2400-Sleeper, Z-2400-A2 Series, IN-uP4 and uP4-Din).

Note: The table below shows the USB programmable input types etc for the XU4:
The XU4 can be pre-programmed before dispatch or is easily programmed using the XU-USB programming key and the free XU programming software.

Series XU4-         4 Wire Universal Input Transmitter
Type of Input Pt100-       RTD Pt100 DIN (Options JIS & CN10)
Pt1000-       RTD Pt1000 DIN (Options JIS & CN10)
Tc __-       Thermocouple Type; B, E, J, K, N, R, S, T
mA-       mA Input impedence = 10Ω
mV-       mV Input resistance = 300KΩ
V-       V Input resistance = 300KΩ
Pot 1-       Potentiometer Low = 1K~2KΩ
Pot 2-       Potentiometer High = 5K~1MΩ
Measuring Range ______-     State Measuring Range
Type and Range of Output _____-   State Current Output Range (e.g. 4~20mA) or
State Voltage Output Range (e.g. 0~10V)
Output Action on Sensor Fail
(for Temperature Input types only)
  US Upscale
  DS Downscale

Ordering Examples:

XU4 - Pt100 - 0~100C - 0~10V - DS XU4; RTD Pt100 DIN 0~100°C Input; Voltage: 0~10V Output; Downscale.
XU4 - Tc K - 0~1200C - 4~20mA - US XU4; Thermocouple Type K 0~1200°C Input; 4~20mA Output; Upscale.