The GP911 series analog gaging probes utilize proven LVDT technology to provide excellent linearity and repeatability in a compact, reliable unit. All analog probe heads carry a NEMA 12 (IP65) environmental rating which makes them suitable for use in harsh industrial environments.
In an analog gage probe, two small transformers share a common magnetic core. As the core moves, the output of one transformer increases and the other decreases. The out-of-balance current provides the measure of the core’s position. LVDT’s operate on an ac energizing voltage and require special signal conditioning.
SPECIFICATIONS Excitation Voltage: 1 to 10 volts rms Excitation Frequency: 2 to 20 kHz Linearity: 0.5% rdg or 0.1% FS, whichever is greater Repeatability: 0.15 microns Calibration Voltage: 3 Vrms Calibration Frequency: 5 kHz Calibration Load: 10 kΩ Storage Temp.: -40 to 100°C (-40 to 212°F) Operating Temp.: -10 to 80°C (14 to 176°F) Temp. Coefficient: 0.01% FS/°C (0.03% for 0.5 mm model)