Encore Electronics

MODEL 220 AC STRAIN GAGE CALIBRATOR

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MODEL 220 AC STRAIN GAGE CALIBRATOR

Description

The Model 220 AC Strain Gage Calibrator provides a precise sinusoidal signal of known frequency and amplitude to strain gage measurement systems for simulation of actual vibration signals.  It is used for calibration of AC coupled amplifiers.

 

Product Specifications

Specifications

Bridge: 120 ohms to 1K ohm
Bridge excitation: Accepts 0.5V to 10V excitation, for 0.25V to 5.0V gage voltage
Controls: Four-digit cal-resistor select thumb-wheel, 100 ohms to 999.9K ohms in 100 ohm steps with ±0.1% accuracy. Amplitude: screwdriver adjustable from 0.25V peak to 5V peak
Frequency: Switch-selectable 1kHz or 10kHz
Connectors: BNC to bridge, banana jacks to measure cal-resistor
Power: Operates on two 9V batteries. Eveready type No.522 or equivalent
Mechancial: 2.5″H x 4.5″W x 8.75″D