Manufacturer of electronic instrumentation including signal conditioners, custom power supplies, computer controlled amplifiers and computer controlled signal conditioning instrumentation.

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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.

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
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