Product details
Overview & Specifications
The Bently Nevada 990-05-70-02-01 is a 2-wire vibration transmitter designed for reliable performance in industrial applications. Made in the USA, this transmitter is compatible with proximity probes and is ideal for monitoring machinery health and vibrations. It can be utilized in hazardous environments and non-hazardous Zone 2 or Div 2 locations, offering robust features and exceptional accuracy.
Technical Specifications
- Brand: Bently Nevada
- Model: 990-05-70-02-01
- Full-Scale Range: 0-5 mils pp (0-125 µm pp)
- Proximity Sensor Output: Compatible with ungrounded, portable test equipment. Signal isolation needed when using grounded, AC-powered test equipment.
- Linear Range: 1.4 mm (55 mils), starting at 0.25 mm (10 mils) from the target surface.
- Incremental Scale Factor: 7.87 mV/µm (200 mV/mil) ±6.5% typical.
- Temperature Stability: Maintains accuracy from 0°C to 70°C (32°F to 158°F).
- Frequency Response: 5 Hz to 6,000 Hz +0, 3 dB for accurate vibration detection.
- Probe Gap: Between 0.5 and 1.75 mm (20 to 55 mils) to ensure full-scale operation.
- Power Supply: Requires +12 to +35 Vdc input at the transmitter terminal.
Product Variants:
- System Length Option: 7.0 meters (23.0 feet)
- Mounting Option: Bulkhead screws
- Certificate of Origin (COO): Available upon request
FAQs
Q1: What is the maximum cable distance for the proximitor sensor output?
A1: The maximum cable distance for the proximitor sensor output (BNC connector) is 3 meters (10 feet).
Q2: What is the minimum target size for vibration measurement?
A2: The minimum target size for accurate vibration measurement is 9.5 mm (0.375 in) diameter.
Q3: Can I use this transmitter with grounded, AC-powered test equipment?
A3: Yes, but when using grounded, AC-powered test equipment, the 122115-01 Test Adapter is recommended for signal isolation.
Q4: What is the probe gap for the sensor to work properly?
A4: The probe should be gapped between 0.5 mm (20 mils) and 1.75 mm (55 mils) from the target for optimal performance.
For more detailed information:990 Vibration Transmitter Datasheet
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