Calex Mfg. Co., Inc. of Concord, California announces the availability of the Calex  Model 4720. The Model 4720 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 4720 provides a cost effective solution for  applications such as conveyor weighing systems, hoppers or tank farms.The 0 to 30mV input range makes it compatible with most strain gage based load cell or pressure transducer outputs. The built-in 10V excitation supply is capableof driving a 350 ohm bridge. The filtered output of the 4720 is 4 to 20mA with a frequency  response o f DC to 10Hz. 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 x1.06”W x 1.65”H. The 4720 is backed by Calex’s five year warranty.