Bently Nevada | 990 Vibration Transmitter 990-05-50-02-01

Key Features

• Brand: Bently Nevada
• Model: 990 Vibration Transmitter 990-05-50-02-01
• Certificate of Origin (COO) available
• Full-scale Option: 05 = 0-5 mils pp (0-125 µm pp)
• System Length Option: 50 = 5.0 meters (16.4 feet)
• Mounting Option: 02 = Bulkhead screws
• Agency Approval Option: 01 = CSA Division 2
• Temperature Range: Operating from -35°C to +85°C (-31°F to +185°F), Storage from -51°C to +100°C (-60°F to +212°F)

Technical Specifications

• Power Supply: +12 to +35 Vdc input
• Power-up Inhibit: The signal stays at <3.6 mA (NOT OK) for 2 to 3 seconds after power is applied to signal that the device is not yet ready
• Proximitor Sensor Output: Compatible with ungrounded, portable test equipment. For grounded, AC-powered equipment, use the 122115-01 Test Adapter
• Signal Output Impedance: 10 kΩ, calibrated for a 10 MΩ load
• Linear Range of Prox Out: 1.4 mm (55 mils), beginning approximately 0.25 mm (10 mils) from the target surface
• Incremental Scale Factor: 7.87 mV/µm (200 mV/mil), ±6.5% typical, with a worst-case tolerance of ±10%
• Temperature Stability: The incremental scale factor remains within ±10% of 7.87 mV/µm from 0°C to +70°C (+32°F to +158°F)
• Frequency Response: 5 Hz to 6,000 Hz (+0, -3 dB)
• Minimum Target Size: 9.5 mm (0.375 in) diameter
• Leadwire Length: Maximum cable distance for Proximitor Sensor Output (BNC connector) is 3 meters (10 feet)
• Non-Hazardous and Hazardous Area Locations: Suitable for Zone 2 or Division 2 applications
• Application Compatibility: Ideal for industrial vibration monitoring in rotating machinery, motors, and pumps
• Power Supply: 28 V DC

FAQ

1. What is the recommended operating voltage for the Bently Nevada 990-05-50-02-01 Vibration Transmitter?
The transmitter requires a power supply of +12 to +35 Vdc at the transmitter terminal.

2. How does the power-up inhibit feature work?
After power is applied, the signal output will stay at less than 3.6 mA (NOT OK) for 2 to 3 seconds, indicating that the device is not yet ready.

3. Can the Bently Nevada 990 Vibration Transmitter be used in hazardous environments?
Yes, it is certified for use in Zone 2 or Division 2 hazardous locations.

4. What is the frequency response of this vibration transmitter?
It has a frequency response of 5 Hz to 6,000 Hz with a tolerance of +0, -3 dB.

5. How far can I run the leadwire for the proximity sensor?
The maximum distance for the Proximitor Sensor Output is 3 meters (10 feet).

For more detailed information:990 Vibration Transmitter Datasheet