0–10 mA, 0–20 mA, 4–20 mA, 10–50 mA, …
1 to 2 independent channels with Hart transparency option
3 independent channels with 2500 V rms electrical withstand voltage
1 channel, transmitter isolation using 2-wire technology
No auxiliary power supply; self-powered by loop current
Excellent linearity: 0.1%
Fast response time: < 2 ms
Very low insertion loss: < 65 ohms
Wide range, 1:1 ratio: 0..4…10…20…50mA
SIL2 and SIL3 options according to IEC 61508
CAL25IG-type galvanic isolators are designed for isolating 0–4–20 mA current loops.
Since they do not require an auxiliary power supply, they can be easily integrated into existing current loops
to eliminate ground loops or common-mode issues.