330425 Accelerometer - GE Bently Nevada 330400 Operation Manual

5.2 330425 Accelerometer

Parameters are specified at 25°C (77°F) unless otherwise specified.
Note: Operation outside the specified limits will result in false readings
or loss of machine monitoring.
5.2.1 Electrical
Scale factor
Frequency Response
Acceleration Range
Transverse Sensitivity
Amplitude linearity
Mounted Resonant
Frequency
Power Requirement
DC Voltage
Bias Current
Output Bias Voltage
Dynamic Output
Impedance
Broadband Noise
Floor (10 to 15k Hz)
Grounding
Maximum Cable
Length
Base Strain
Sensitivity
2.55 mV/(m/s2) (25 mV/g) ±5% @ 100Hz
± 10% 30 Hz to 10 kHz
± 3.0 dB 10 Hz to 15 kHz
735 m/s2 pk (75 g pk)
5% maximum of axial
± 1% to 735 m/s2 pk (75 g pk), above noise floor
30 kHz minimum
-24 ± 4 Vdc
2 mA
-8.5±0.5 Vdc, Pin A referenced to Pin C
50 ohms, typical
0.078 m/s2 rms (0.008 g rms), Typical
Internal electronics are isolated from case
305 m (1000 ft) with no degradation of signal
0.005 gilic
Section 5 - Specifications
17