Signal conditioner features digital control
A
Vishay Micro-Measurements product story
Edited by the Engineeringtalk editorial team
May 25, 2005
The Vishay Micro-Measurements Model A2 is a signal conditioner and amplifier system for strain gauges, strain-gauge-based transducers, thermocouples and various other sensors with high-level signals.
The new Vishay Micro-Measurements Model A2 is a signal conditioner and amplifier system for strain gauges, strain-gauge-based transducers, thermocouples and various other sensors with high-level signals.
With a frequency response to 110kHz, the A2 features digital control of the system instrumentation and monitoring of the +/-10V DC analogue outputs, both locally on the control panel and remotely by Ethernet from a PC.
Scalable in multiples of eight channels to a maximum of 128 for each system, the A2 is an embedded web server.
All system, card, and channel settings are accessible using simple HTTP commands or by using the graphical user interface provided by the system.
Ordinary, web browsers are used for controlling the system remotely, and for channel-by-channel monitoring of signals by Ethernet.
The Model A2 is specially designed to function as the front-end for DAQs and recorders accepting high-level analogue signals.
Instrumentation hardware, available as individual eight-channel cards for strain gauge, thermocouples, and high-level signals, features high stability with temperature and time.
Strain-gauge instrumentation accepts full-, half- and quarter-bridge circuits and has built-in bridge completion resistors for 120, 350 and 1000ohm quarter bridges.
Amplifier gain, bridge excitation and balance, shunt calibration, and signal filtering are all digitally controlled.
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