BridgeSensor User's Guide

3
Description
The Model DMD-476 is a self contained, AC
powered signal conditioner for bridge type
instrumentation. It contains a precision
instrumentation amplifier with isolated, filtered
output and a highly regulated, low noise, adjustable
output bridge excitation source. The unit is
completely encapsulated for use in rugged
environments.
Features
n Complete Strain Gage
Bridge Signal Conditioner
n Isolated 4-20 mA or 0-20 mA Output
n Output Capable of Driving 1000 ohm Loop
n Bridge Balance with 80%
Tare Offset Capability
n High Gain Amplifier; Can Accept Full Scale
Live Load Signals as Low as 5 mV and
Provide 16 mA Output Span
n Excitation Supply Capable of Driving
Four Load Cells
n AC Powered
n Rugged Epoxy Encapsulated Design
Applications
n Weighing with Load Cells
n Process Control Add-on Loops
n Can Be Used With All Types of
Low Output Sensors
Specifications
NOTE: Unless otherwise noted, specifications apply after one hour
warm up at 25°C ambient. Temperature coefficients apply between
0°C and 55°C ambient.
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