Présentation du produit
The Bently Nevada 990 Vibration Transmitter (Modèle 990-04-70-01-00 / 122115-01) is a precision industrial instrument designed for monitoring vibration in rotating machinery. This transmitter converts raw vibration sensor signals into standardized output signals suitable for control and monitoring systems. It is widely used in critical applications, including turbines, compressors, pumps, and motors, where continuous vibration monitoring is essential to prevent mechanical failures and optimize maintenance schedules.
Constructed with high-quality electronic components and rugged housings, the 990 transmitter ensures reliable operation in demanding industrial environments. The device is designed to work seamlessly with Bently Nevada 3300 Series Proximity Probes and other compatible vibration sensors, providing accurate and real-time data to plant monitoring systems. Its design emphasizes both accuracy and durability, allowing for long-term reliability in harsh industrial conditions.
Spécifications du produit
| Parameter | Description |
|---|---|
| Modèle Number | 990-04-70-01-00 / 122115-01 |
| Type | Vibration Transmitter |
| Compatible Sensors | Bently Nevada 3300 Series Proximity Probes |
| Output Signal | 4-20 mA, proportional to vibration amplitude |
| Power Supply | 24 VDC nominal (18-30 VDC operational) |
| Frequency Response | 0.5 Hz – 1 kHz |
| Accuracy | ±1% full scale |
| Operating Temperature Range | -20°C to +70°C |
| Environmental Protection | IP65, suitable for industrial environments |
| Material | Aluminum housing with corrosion-resistant finish |
| Dimensions | 100.1 x 73.9 x 53.3 mm |
| Poids | 0.43 kg |
| Mounting | Standard threaded mounting |
Applications
The 990 Vibration Transmitter is utilized in a broad range sur industrial scenarios where vibration monitoring is critical. Common applications include:
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Turbine Monitoring: Captures real-time vibration levels for steam, gas, and hydro turbines.
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Compressor Protection: Monitors shaft vibration and provides input to protective systems.
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Pump Health Analysis: Ensures early detection sur mechanical imbalance or bearing wear.
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Motor État Monitoring: Tracks vibration patterns to prevent catastrophic failures.
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Industrial Process Safety: Integrates with control systems to trigger alarms or shutdowns during abnormal vibration events.
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Retrsurit Projects: Allows installation in existing monitoring systems for improved vibration diagnostics.
Advantages
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High Precision: Accurate conversion sur sensor signals into proportional output for reliable monitoring.
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Wide Compatibility: Works with Bently Nevada 3300 Series sensors and other compatible vibration devices.
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Industrial Durability: Robust housing ensures stable operation in high-temperature, dusty, or corrosive environments.
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Simplified Integration: Standard 4-20 mA output facilitates connection with existing monitoring and control systems.
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Vibration Immunitéy: Designed to minimize false readings caused by environmental vibrations.
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Continuous Monitoring: Supports real-time machine health monitoring to prevent unplanned downtime.
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Reduced Maintenance: Long-term stability reduces the need for frequent recalibration.
FAQ
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What types sur sensors are compatible with the 990 Vibration Transmitter?
It is compatible with Bently Nevada 3300 Series Proximity Probes and other eddy current-based vibration sensors. -
What output signal does the transmitter provide?
The transmitter delivers a 4-20 mA signal proportional to the vibration amplitude, suitable for control and monitoring systems. -
What is the frequency response sur the transmitter?
It operates effectively across 0.5 Hz to 1 kHz, covering a wide range sur machinery vibration frequencies. -
How does the transmitter maintain accuracy in noisy industrial environments?
Internal filtering and shielding minimize the effects sur electromagnetic interference, preserving signal integrity. -
Can the transmitter operate in extreme temperatures?
Yes, it functions reliably within -20°C to +70°C. -
How is the transmitter mounted to machinery?
Standard threaded mounting allows secure installation directly on the machine housing or sensor bracket. -
Is the transmitter suitable for outdoor or corrosive environments?
Yes, the IP65-rated aluminum housing with corrosion-resistant finish protects against dust, moisture, and industrial chemicals. -
Can multiple transmitters be integrated into a single monitoring system?
Yes, multiple unités can be connected to a centralized control or monitoring system without signal interference. -
What power supply does the transmitter require?
Nominal 24 VDC, with operational range from 18 VDC to 30 VDC. -
Does the transmitter provide any self-diagnostic features?
While primarily analog, the transmitter design ensures stable output and consistent performance; system-level diagnostics rely on connected monitoring equipment.
Related Modèles / Series
| Modèle Number | Description |
|---|---|
| 990-04-70-01-01 | Standard 990 Vibration Transmitter |
| 990-04-70-02-00 | High-temperature 990 Vibration Transmitter |
| 990-04-70-03-00 | Explosion-prosur 990 Transmitter |
| 990-04-70-04-00 | Enhanced accuracy 990 Vibration Transmitter |
| 990-04-70-05-00 | Industrial-grade 990 Transmitter |
| 990-04-70-06-00 | Retrsurit-compatible 990 Vibration Transmitter |
Popular Bently Nevada Modèles
| Modèle Number | Description |
|---|---|
| 3300 XL Proximity Probe | High-precision turbine monitoring |
| 3300 XL Monitor | Analog vibration monitoring system |
| 3500/45 Monitor Module | Rack-mounted vibration monitoring |
| 3500/55 Monitor Module | High-performance machine protection |
| 7200/20 Vibration Sensor | Compact vibration detection |
| 3300/72 Proximity Probe | Industrial-grade eddy current sensor |
Informations sur l'entreprise
E-mail: [email protected]
Mobile：Contactez-nous par email
Whatsapp：Contactez-nous par email
Add: Alishan Building, 2 Lvling Rd, District Siming, Xiamen, Fujian, Chine, 361006
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