Description

Key Details & Tech Specs

Brand: Bently Nevada
Type: 990 Vibration Transmitter
Model Code Breakdown:990-04-50-03-CN

990: Main model series
04: Measures 0-4 mils pp (0-100 μm pp)
50: Works with 0-5.0 meters (16.4 feet) systems
03: Comes with DIN clips and screws for mounting
CN: Approved for use in China

Main Features:

Input: Works with 1 3300 NSv Proximity Probe and extension cable.
Power: Needs +12 to +35 Vdc.
Output: 4-20 mAdc (2-wire setup).
Accuracy: ±1.5% of full range (adds to Prox Out scale).
Max Resistance: 1,000 Ω (at 35 Vdc).
Current Limit: 23 mA (normal).
Probe Gap: 0.5-1.75 mm (20-55 mils) for full use.
Weight: 0.43 kg (0.9 lbs).
Frequency Range: 5 Hz to 6,000 Hz (-3 dB).
Min Target Size: 9.5 mm (0.375 in) wide.

Install & Compatibility

Install: Use the DIN clips and screws to set up quickly.
Works With: 3300 NSv Proximity Probes and extension cables, good for tight spots in compressors.

Certificates & Safety

Approval: CN certificates for China use.
Safety: If it fails, output drops below 3.6 mA in 100 μs. Fixes itself in 2-3 seconds after the problem is gone.

Package & Warranty

What’s Included: Transmitter, DIN clips, screws, user guide.
Warranty: 1-year coverage (starts when you buy it).

Download PDF file here:990 Vibration Transmitter Datasheet

Additional information

Weight0.82 kg
Dimensions15 × 7 × 6 cm

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