Bently Nevada 990-04-50-01-00 Vibration Transmitter

Frequently Asked Questions (FAQ)

Q1: What probe does the 990 transmitter support?
A1: It supports the Bently Nevada 3300 NSv proximity probe and matching extension cable.

Q2: What type of signal does it output?
A2: It outputs a standard 4–20 mA signal proportional to peak-to-peak vibration.

Q3: Can it be used for diagnostic analysis?
A3: It provides basic trend data but is not suitable for detailed vibration diagnostics.

Q4: How is the signal output protected during probe failure?
A4: The transmitter will drop the output below 3.6 mA within 100 μs upon a NOT OK condition.

Q5: What is the power supply range?
A5: The unit requires 12 to 35 VDC.

Q6: Is signal isolation available for diagnostics?
A6: Yes, using the optional 122115-01 test adapter is recommended for isolating the PROX OUT signal.

Q7: What is the frequency range covered?
A7: The device operates within 5 Hz to 6,000 Hz.

Q8: Is it certified for hazardous locations?
A8: Yes, it is approved for ATEX Zone 0, Zone 2, and CSA Class I Div 2 hazardous locations.

990-04-50-01-00 Bently Nevada Vibration Transmitter

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