4-20mA Loop Powered Passive Isolator
4-20mA Loop Isolator.
SKU: 35-0070
$462.00 USD

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DC current isolator is a 4-20mA isolator powered through the input loop. It does not require any auxiliary power supply. 

If you are using more than one grounded power supply in your logger circuit, each transducer you use must be isolated. If you need to use non-isolated transducers, you must use a Loop Isolator between the transducer output and the logger.


Approval CE
Dimensions (WxHxD) 17.5x100x112mm
Input Channel Numbers 2
Input Current 4-20 mA
Isolation 1,500 Vac (2 way)
Mounting 35 mm DIN rail guide
Norms EN 50081-2; EN 55011; EN 50082-2; EN 61000-2-2/4;EN 50140/141; EN 61010-1
Operating Temperature 0 - 50°C
Output Channel Numbers 2
Output Current 4-20 mA
Power Supply From the 4-20mA input loop
Protection Degree IP20
Response Time 100 ms
Status Indicators Power supply, error, data transmission, data reception, input status


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Data loggers are often used in highly regulated environments such as food and pharmaceutical production and storage where strict safety regulations apply. Regulatory agencies generally require proof of calibration.

ACR calibrations are performed using reference standards that have been calibrated and are traceable to the US National Institute of Standards & Technology (NIST). This ensures that all ACR data loggers meet, and perform to, their published specifications, allowing you to be confident that they will assist you in achieving your compliance requirements.

Calibration certificates are provided with every calibration we perform. ACR Systems is an ISO 9001:2015 registered company and calibration records are kept as part of our quality system and can be made available for customer audits.

Calibration Service
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