Martel Electronics BetaGauge 3II - Manual (Page 181)

Specifications B-6
Environmental
Temperature
-20ºC to 50ºC (operating)
0ºC to 35ºC (storage with battery packs)
-30ºC to 70ºC (storage without battery packs)
Relative Humidity
0 to 95% non-condensing
Effects
Pressure: ± 0.0015% Range/ºC outside 15ºC to 35ºC
Electrical: ±0.002% Range/ ºC outside 15ºC to 35ºC
Overpressure
Non-isolated Sensors
0 to 5 psi 400% of sensor range
>5 psi 300% of sensor range
150 psi 200% of sensor range
Isolated Sensors
200% of sensor range
Alarm Trip Detect
Wet contact input
12 Vdc ± 10% threshold, 48 Vdc maximum
Dry contact input
800 Ohm ± 200 Ohm threshold,
4 mA maximum excitation current
Damping Factor
Programmable 2, 5, or 10 seconds response time for all
inputs (running average)