



Product Description
Bently Nevada 990-04-70-02-00 Parameters
Product Overview
Parameter | Details |
---|---|
Manufacturer | Bently Nevada |
Series | 990 |
Model/Part Number | 990-04-70-02-00 |
Model Type | Vibration Transmitter |
Product Name | 990 Vibration Transmitter |
Application | Intended for original equipment manufacturers (OEMs) of centrifugal air compressors, small pumps, motors, or fans; provides a simple 4-20 mA proportional vibration signal as input to machinery control systems |
Compatibility | Compatible with Bently Nevada 3300 XL 8 mm Proximity Transducer System; accepts inputs from one proximity probe and extension cable |
Function | Loop-powered transmitter that measures and outputs vibration levels as a 4-20 mA signal proportional to peak vibration; includes fault detection for open/short circuit |
Functional Specifications
Parameter | Details |
---|---|
Full-Scale Option (A) | 04: 0-4 mils pp (0-100 μm pp) |
System Length Option (B) | 70: 7.0 meters (23.0 feet) |
Mounting Option (C) | 02: Bulkhead screws |
Agency Approval Option (D) | 00: Not required |
Output Signal | 4-20 mA loop-powered, proportional to peak vibration; fault indication at < 2 mA or > 22 mA |
Power Supply | +12 to +35 Vdc input |
Input | Accepts one non-contacting 3300 XL 8 mm Proximity Probe and extension cable |
Measurement Range | 0-4 mils pp (0-100 μm pp) |
Frequency Response | 0 to 10,000 Hz (0 to 600,000 cpm) |
Accuracy | ±2% of full scale |
Operating Temperature | -30°C to +65°C (-22°F to +149°F) |
Storage Temperature | -40°C to +85°C (-40°F to +185°F) |
Relative Humidity | Up to 95%, non-condensing |
Dimensions | Approximately 16 cm x 16 cm x 12 cm |
Weight | 0.8 kg |
Approvals | CSA/NRTL/C Class I Div 2, ATEX/IECEx (optional) |
Installation | Bulkhead screws; simple installation for quick integration |