Bruel&Kjaer 2625 Vibration Pick-Up Preamplifier(3ch 2range) SOLD OUT sold
amp149
Solid state low noise preamplifier. Three selectable inputs with individual sensitivity adjustment. Variable gain from -40 to -20dB and 0 to +20dB. Fixed gain OdB and -40 dB . Integration networks for measurement of velocity and displacement. Selectable lower limiting frequencies. Operated from internal batteries or external 28 Volts.
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