Description
Overview:
The Bently Nevada 990-04-50-02-00 Vibration Transmitter is a high-performance monitoring device designed to provide accurate vibration data from rotating machinery. It is part of the 990 Series and utilizes a non-contacting 3300 NSv Proximity Probe for precise vibration measurement. This transmitter offers a 4-20 mA signal output, which is ideal for industrial applications where vibration monitoring is crucial for predictive maintenance and machinery health monitoring.
Technical Specifications:
- Brand: Bently Nevada
- Model: 990-04-50-02-00
- Series: 990 Vibration Transmitter
- Full-Scale Range Option: 0-4 mils pp (0-100 μm pp)
- System Length Option:
- 50: 5.0 meters (16.4 feet)
- 70: 7.0 meters (23.0 feet)
- Mounting Option: Bulkhead screws
- Agency Approval Option: Not required
- Transducer Tip Material: Polyphenylene Sulfide (PPS)
- Transducer Case Material: AISI 303 or 304 Stainless Steel
- Probe Cable: 75Ω coaxial, fluoroethylene propylene (FEP) insulated
- Cable Armor (optional): Flexible AISI 302 SST with optional FEP outer jacket
- Tensile Strength: 222 N (50 lbf)
- Transmitter Weight: 0.43 kg (0.9 lb)
Electrical Input:
- Power Supply: +12 to +35 Vdc input
- 4 to 20 mA Output: 4 to 20 mA over specified full-scale range in 2-wire configuration
- Loop Resistance: Maximum of 1,000 Ω including cable at 35 Vdc
- Current Limiting: 23 mA typical
- Accuracy: ±1.5% over full-scale range
- Zero and Span Adjustments: Non-interacting external adjustments
Operating and Storage Conditions:
- Operating Temperature: -35°C to +85°C (-31°F to +185°F) for the transmitter; -52°C to +177°C (-62°F to +351°F) for the probe
- Storage Temperature: -52°C to +100°C (-62°F to +212°F)
- Relative Humidity: 100% condensing, non-submerged, with protection of coaxial connectors
