Aprašymas
Product Description
The Bently Nevada 990‑05‑50‑03‑05 is a compact, integrated vibration transmitter combining a proximity probe, extension cable, and Proximitor® sensor into a single unit. Designed for precise online monitoring of shaft vibration, displacement, and Keyphasor® reference signals, it provides a 4–20 mA output that can be directly interfaced with PLCs, DCS, or other plant control systems.
This transmitter employs non-contact eddy-current technology, offering reliable, high-accuracy measurements in harsh industrial environments. Its rugged construction ensures long-term stability in turbines, compressors, motors, pumps, and other rotating machinery where continuous condition monitoring is essential for predictive maintenance and machinery protection.
Key Features
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Fully integrated transmitter: probe, cable, and Proximitor® sensor in one assembly
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Provides standard 4–20 mA output for seamless PLC/DCS connection
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Measures vibration amplitude, shaft displacement, or Keyphasor® reference
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Non-contact eddy-current technology for precise measurement
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Stainless steel housing with industrial-grade environmental sealing
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Compatible with Bently Nevada 3500 Series machinery protection systems
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Reduces installation complexity by eliminating separate modules
Technical Specifications
General
| Parameter | Specification |
|---|---|
| Model | 990‑05‑50‑03‑05 |
| Product Type | Vibration Transmitter |
| System | 3300 XL Proximity Transducer System |
| Application | Shaft vibration and position monitoring |
Electrical / Performance
| Parameter | Specification |
|---|---|
| Output Signal | 4–20 mA current loop |
| Measurement Type | Vibration amplitude, shaft position, Keyphasor® reference |
| Frequency Response | Suitable for dynamic vibration analysis (up to 1 kHz typical) |
| Accuracy | ±1% typical, ±2% max under harsh conditions |
| Power Requirements | 18–30 VDC supply |
Mechanical
| Parameter | Specification |
|---|---|
| Probe Tip Diameter | 8 mm |
| Cable | Integral cable with standard connector |
| Housing Material | Stainless steel |
| Connector | Bently Nevada standard |
Environmental
| Parameter | Specification |
|---|---|
| Operating Temperature | –35 °C to +180 °C (probe) |
| Humidity | Sealed for industrial-grade environments |
| Vibration & Shock | Designed to withstand high machine vibration levels |
| Compliance | IEC, NEMA-rated for industrial applications |
Typical Applications
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Steam and gas turbines
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Centrifugal and screw compressors
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Industrial pumps and electric motors
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Fans, gearboxes, and other rotating machinery
FAQ
Q: Can this transmitter be directly connected to a PLC?
A: Yes, the 4–20 mA output allows direct integration with PLCs, DCS, or control systems.
Q: Does it require a separate monitoring module?
A: No, the integrated probe, cable, and Proximitor® sensor eliminate the need for additional modules.
Q: What is the maximum operating temperature?
A: The probe can operate up to +180 °C; standard cable and connector ratings may vary.
Q: How does it differ from other 3300 XL probes?
A: Unlike standalone probes, the 990‑05‑50‑03‑05 combines all components in a single assembly with 4–20 mA output for simplified installation.
Savybės
Mes priimame didelius užsakymus ir turime minimalią užsakymo kiekį – tik vieną vienetą.
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Mes priimame 100 % T/T (telegrafinius pervedimus) apmokėjimą prieš išsiuntimą. Prekėms su laukimo terminais reikalinga 30 % avansinė įmoka, likusieji 70 % turi būti sumokėti prieš išsiuntimą. Dėl RMB pervedimų, jei turite agentą Kinijoje, susisiekite su mumis.
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Jūsų pasitenkinimas mums svarbus. Jei reikia grąžinti prekę, tai turi būti padaryta per 30 dienų nuo užsakymo datos. Produktas turi būti nenaudotas, neuždarytas ir originalioje pakuotėje su visais priedais. Pinigų grąžinimas atliekamas per 5-7 darbo dienas nuo grąžintos prekės gavimo. Atkreipkite dėmesį, kad siuntimo ir susijusios išlaidos negrąžinamos.