Signal Conditioner Model 4122B
The Dytran model 4122B is a 19–inch wide by 1 3/4–inch high, rack mountable, line powered current source power unit and voltage gain amplifier, designed to power up to 6 channels of IEPE sensors. Model 4122B supplies power to operate the sensors' built–in amplifiers, decouples the signal from the sensors' DC bias and provides voltage gain to the sensor signal for each channel, individually, in switch–selected steps of x1, x10 and x100. It can power up to 6 channels simultaneously. The front panel of the unit contains a single BNC output jack for monitoring the sensor signal at the input of any channel with a single readout instrument, such as an oscilloscope. The selection for this purpose is made by a 6 position rotary switch which is also used to select a channel for fault monitoring.
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