Products
MODEL 220 AC STRAIN GAGE CALIBRATOR
Description
The Model 220 provides a pure sinusoidal signal of known strain to your strain gage measurement system. This arrangement simulates actual vibration signals and can be used with AC coupled amplifiers.
Specifications
Bridge: 0.025V120 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
