Analog Transmitter provides 4-20 mA or 0-10 Vdc output.

Press Release Summary:

Designed for complete signal isolation, 8900 Series includes 16 dc powered signal conditioners to offer 8 inputs, including 0-50 and 0-100 mV, 0-5, 0-10, and 0-100 V, and 4-20, 0-20, and 0-50 mA, which can be combined with choice of 2 outputs. It employs 3-way signal isolation topology, where input is isolated from output and both are isolated from supply voltage. UL 508/1604 compliant series comes in 4.3 x 0.89 x 2.9 in. plastic case with built in DIN Rail mounting foot.

Original Press Release:

Isolated Analog 0-10V and 4-20mA Transmitters

Calex Mfg. Co., Inc. of Concord, California announces the availability of the Calex 8900 Series. The 8900 Series offers a variety of self-contained, DC powered signal conditioners designed for complete signal isolation. The isolated transmitters consist of 8 different inputs; 0-50mV, 0-100mV, 0-5V, 0-10V, 0-100V, 4-20mA, 0-20mA, and 0-50mA. Combine that with the choice of two outputs for a total of 16 models to meet your signal isolation needs.

The 8900 Series provides an isolated 4-20 mA or 0-10 Vdc output. The 4-20 mA output is capable of driving a 500 ohm loop. This series employs a topology designed to provide complete three-way signal isolation. The input is isolated from the output and both are isolated from the supply voltage. All models are housed in a plastic case with a built in DIN Rail mounting foot. The case dimensions are 4.3"L x 0.89"W x 2.9"H. All connections are made to easily accessible screw terminals. The 8900 Series is backed by Calex's five year warranty and is UL 508 and UL 1604 compliant.

Pricing for the 8900 Series is $129.50/ea (100). Units are available from stock to 6 weeks. For more information, contact Calex Mfg. Co., Inc. via phone 925-687-4411 / 800-542-3355 or fax 925-687-3333. For a complete data sheet on the Model 8900 Series go to or email The Calex corporate address is 2401 Stanwell Drive, Concord, California 94520 USA. Calex has manufacturing facilities in both Concord California and Tijuana Mexico.

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