Sensor 0-20mA 1W-UNI

Isolated DC current sensor for the 1Wire-UNI bus. Sensor for measuring currents in the 0–20mA range. It is typically used to connect a industrial probe with 4–20mA output - 4wire with discrete power supply (e.g. to measure the fuel level in a tank). The sensor's current output is processed in Poseidon2 or Ares units to be accesible via LAN or GSM.
The sensor is equipped with 8-points calibrating table/curve to set the measured output appropriate to the related industrial sensor. The calibration process is supported by 1W-UNI USB calibrator (USB dongle).

0-20mA current sensor for 1W-UNI bus
Current sensor schema


•Input: 0-20mA (connect a “source” type of probe).
•Accuracy ± 2%
•Electrical isolation  
•Protection: 63 mA fuse
•Options: Unit conversion, calibration
•Interface: 1-Wire UNI (2x RJ11 for daisy-chaining)
•Connects to: Ares 12/14 and Poseidon2
•Environment: Converter to be installed indoors
•Power: Bus-powered (1-Wire UNI) – max. 2 sensors per active port

Applications and usage:

•Connecting industrial sensors to Poseidon2 or Ares systems
•Connecting current transformers
•Connecting electronic scales
•Measuring the concentration of CO2 or other gases
•Connecting pressure transducers or other industrial sensors

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ALBRECHT Telecommunications GmbH
Ronystr. 14a                    
6331 Huenenberg


Phone: +41 79 287 36 43
Fax: +41 41 780 94 74

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