Signal Conditioner provides 0-5 kHz filtered output.

Press Release Summary:

Featuring built-in 10 V excitation supply that can drive 350 W bridge, Model 8555 is designed for load cell, strain gage, or single ended analog amplification and filtering. Self-contained, DIN rail mount, DC powered module has 0-50 mV input range and makes connections via screw clamp terminal blocks. Measuring 3.78 x 1.06 x 1.65 in., signal conditioner is suited for conveyor weighing systems, hoppers, or tank farms.

Original Press Release:

Strain Gage to PLC Frequency Input Signal Conditioner

Calex Mfg. Co., Inc. of Concord, California announces the availability of the Calex Model 8555. The Model 8555 is a DIN Rail mount, self-contained DC powered module designed for load cell, strain gage, or single ended analog amplification and filtering. It contains a precision instrumentation amplifier, filtered output and
a built-in excitation supply. The 8555 provides a cost effective solution for applications such as conveyor weighing systems, hoppers or tank farms.

The 0 to 50mV input range makes it compatible with most strain gage based load cell or pressure transducer outputs. The built-in 10V excitation supply is capable of driving a 350 ohm bridge. The filtered output of the 8555 is 0 to 5KHz. Connections are made via easily accessible screw clamp terminal blocks. Zero and Span adjustment potentiometers are located externally as well for easy access. Overall dimensions are 3.78"L x 1.06"W x 1.65"H. The 8555 is backed by Calex's five year warranty.

Pricing for the Model 8555 is $135.45/ea (10). 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 8555 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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