The 8900 Series from Calex Mfg. Co. Inc., Concord, CA, are self-contained DC-powered signal conditioners available in 0–50 mV, 0–100 mV, 0–5 V, 0–10 V, 0–100 V, 4–20 mA, 0–20 mA, and 0–50 mA inputs. The modules have input isolated from the output and both are isolated from the supply voltage. Output is either isolated 4–20 mA or 0–10 VDC; the 4–20 mA output is capable of driving a 500 ohm loop. All models are housed in a 4.3 by 0.89 by 2.9 in. plastic case with a built-in DIN rail mounting foot. All connections are made to screw terminals.
Isolated Analog Transmitters from Calex
Calex Mfg. Co. Inc.