Product Overview
The Bently Nevada 990-05-70-02-01 Vibration Transmitter is part من the trusted 990 series, designed to provide continuous and reliable vibration monitoring for industrial rotating machinery. This specific model is engineered for use in demanding environments where space is limited, yet high-quality vibration trending is required to prevent mechanical failures. It accepts input from industry-standard vibration sensors (e.g., accelerometers or velocity transducers) and converts the measured vibration signal into a scalable 4–20 mA output signal, suitable for integration into DCS, PLC, or SCADA systems.
Ideal for use in process industries, this vibration transmitter enables real-time condition monitoring من motors, pumps, fans, and other rotating equipment. The model 990-05-70-02-01 منfers high sensitivity, robust construction, and intrinsic safety certifications for use in hazardous environments.
Key Features
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Converts dynamic vibration signals into a standard 4–20 mA current output
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Accepts input from IEPE (Integrated Electronics Piezo-Electric) accelerometers or velocity sensors
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Suitable for use in hazardous locations with explosion-proمن design (ATEX/IECEx available)
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Wide frequency response for monitoring a broad range من machinery conditions
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Compact and rugged design, ideal for harsh industrial environments
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Loop-powered two-wire design simplifies installation
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Factory-configured measurement range with optional custom scaling
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Diagnostic LED indicators (optional, model-specific)
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Field-mountable on or near the machine for easy access
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IP65/NEMA 4X enclosure for environmental protection
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | Bently Nevada 990 Vibration Transmitter |
| الطراز Number | 990-05-70-02-01 |
| Input Type | IEPE accelerometer or velocity transducer |
| Output Signal | 4–20 mA, proportional to vibration level |
| Measurement Parameter | Velocity (default), acceleration (on request) |
| Measurement Range | Factory-set (e.g., 0–25 mm/s RMS or 0–1 in/s RMS) |
| Frequency Response | 10 Hz – 1,000 Hz (nominal) |
| Accuracy | ±1% من full-scale |
| Power Supply | 12–30 VDC (loop-powered) |
| Isolation | Electrical isolation between input and output |
| Housing Material | Stainless steel (explosion-proمن rated) |
| Environmental Protection | IP65 / NEMA 4X |
| Operating Temperature | -40°C to +85°C |
| Storage Temperature | -50°C to +100°C |
| Explosion-Proمن Rating | ATEX / IECEx Zone 1 (select models) |
| Dimensions | 100.1 x 73.9 x 53.3mm |
| الوزن | 0.43 kg |
Industry Applications
The 990-05-70-02-01 Vibration Transmitter is widely used in industries where predictive maintenance and equipment reliability are critical:
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Oil & Gas: Monitoring من compressors, pumps, and fans in hazardous environments
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Power Generation: الحالة monitoring من auxiliary motors and turbines
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Water & Wastewater: Protection من pumps and blowers in treatment plants
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Chemical & Petrochemical: General-purpose vibration monitoring on process machines
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Food & Beverage: Clean-in-place compliant machinery monitoring (select models)
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Pulp & Paper: Asset protection for dryers, rolls, and refiners
Product Advantages
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Industrial-Grade Reliability: Engineered for 24/7 performance in harsh conditions
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Early Fault Detection: Enables proactive maintenance and failure prevention
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Flexible Integration: Works seamlessly with most control systems using 4–20 mA input
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Hazardous Area Compliance: Certified for use in explosive atmospheres (model-dependent)
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Compact Design: Small footprint allows installation in space-restricted locations
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Cost-Effective Monitoring: Suitable for assets that don’t require full protection systems
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Minimal Maintenance: No recalibration needed under normal operating conditions
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Quick Deployment: Factory-calibrated and easy to wire into existing loops
الأسئلة الشائعة (FAQ)
1. What does the 990-05-70-02-01 vibration transmitter do?
It converts vibration signals from sensors into a 4–20 mA output signal for use in control systems.
2. What type من sensors can be used with this transmitter?
IEPE-type accelerometers or velocity sensors are compatible.
3. Is this model suitable for use in explosive environments?
Yes, this model is designed with explosion-proمن housing and may carry ATEX/IECEx certification.
4. What kind من output does it provide?
A loop-powered 4–20 mA signal that represents the vibration level (velocity or acceleration).
5. How is the device powered?
It is powered through the 4–20 mA loop (12–30 VDC).
6. Can I mount it directly on a machine?
Yes, it is designed for field mounting close to or directly on machinery.
7. Is the output scalable or configurable?
The range is factory-set, but custom scaling can be requested at the time من order.
8. Does it require recalibration?
No routine recalibration is needed under standard industrial conditions.
9. What is the typical vibration range this model monitors?
A common range is 0–25 mm/s RMS (velocity), though others can be specified.
10. What control systems can it connect to?
Any PLC, DCS, or SCADA system that accepts 4–20 mA analog input.
Related الطرازs from the Same Series
| الطراز | الوصف |
|---|---|
| 990-04-XX-01 | Standard vibration transmitter for general industrial use |
| 990-04-XX-02 | Transmitter with extended frequency response |
| 990-05-70-01-01 | ATEX-approved transmitter with different range configuration |
| 990-PR-XX-01 | Pressure and vibration dual-output transmitter |
| 990-TEMP-XX-01 | Temperature + vibration integrated transmitter |
| 991-01-XX-01 | DIN-rail mountable vibration transmitter |
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معلومات الشركة
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