Product Overview
The Bently Nevada 990-05-XX-01-00 Vibration Transmitter is a two-wire, loop-powered transmitter designed to provide continuous machinery vibration monitoring. It integrates with a 3300 NSv proximity probe and extension cable to measure shaft vibration and converts the signal into a 4–20 mA output for control and monitoring systems.
Key Features
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2-wire, loop-powered vibration transmitter design
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4–20 mA output proportional to vibration amplitude
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Integrated signal conditioning for proximity probe inputs
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PROX OUT diagnostic output for vibration and gap signal access
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Zero and span potentiometers for easy calibration
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Built-in “Not OK” and signal defeat circuitry for probe failure detection
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DIN-rail or bulkhead mounting options
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Rugged potted construction for harsh environments
Technical Specifications
| Item | Specification |
|---|---|
| メーカー | Bently Nevada |
| 型番 | 990-05-XX-01-00 |
| Product Type | Two-wire vibration transmitter |
| Dimensions | 100.1 x 73.9 x 53.3 mm |
| 重量 | 0.43 kg |
| Power Supply | +12 to +35 V DC |
| Output | 4–20 mA proportional to vibration |
| Vibration Range | 0–5 mils peak-to-peak (~0–125 µm) |
| Frequency Response | 5 Hz to 6,000 Hz (-0, +3 dB) |
| Loop Accuracy | ±1.5% over full scale |
| Max Loop Resistance | 1,000 Ω (at 35 V DC) |
| Probe Gap | 0.5 to 1.75 mm recommended |
| Minimum Target Size | 9.5 mm (0.375 in) diameter |
| Operating Temperature – Transmitter | –35 °C to +85 °C |
| Operating Temperature – Probe | –52 °C to +177 °C |
| Relative Humidity | 0–100%, condensing |
| Mounting Options | 35 mm DIN rail or bulkhead screw mounting |
Industry Applications
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Pumps and compressors
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Electric motors and generators
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Industrial fans and blowers
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OEM equipment protection
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Oil & gas and petrochemical plants
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Power generation facilities
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General process machinery vibration monitoring
よくある質問 (FAQ)
Q1: What does the “05” in 990-05-XX-01-00 mean?
It indicates that the transmitter has a vibration measurement range / 0–5 mils peak-to-peak.
Q2: What does the “XX” in the part number represent?
It defines the total system length, including probe and extension cable.
Q3: What type / probes are compatible with this transmitter?
It is designed to operate with the 3300 NSv proximity probe and extension cables.
Q4: Can this transmitter provide dynamic vibration signals?
Yes, through the PROX OUT diagnostic output.
Q5: How is the transmitter powered?
It is loop-powered using a +12 to +35 V DC supply.
Q6: What happens if the probe becomes disconnected?
The transmitter drives its output below 3.6 mA, indicating a “Not OK” condition.
Q7: Can it be mounted on DIN rail?
Yes, it supports both DIN rail and bulkhead mounting.
Q8: What is the operating frequency response?
It covers 5 Hz to 6,000 Hz (-0, +3 dB).
Related Bently Nevada Modules
| モデル | 説明 |
|---|---|
| 990-08-XX-01-00 | Vibration transmitter with 0–8 mils range |
| 990-10-XX-01-00 | Vibration transmitter with 0–10 mils range |
| 990-20-XX-01-00 | Extended range vibration transmitter |
| 122115-01 | Test adapter for PROX OUT signals |
| 3300 NSv Probe | Compatible proximity probe |
| 330130 Extension Cable | Required extension between probe and transmitter |
Popular Bently Nevada Modules
| モデル | 説明 |
|---|---|
| 3500/42M | Vibration monitoring module |
| 3500/91 | Communication interface module |
| 330104 XL Probe | 8 mm proximity probe |
| 330708 XL Probe | 11 mm proximity probe |
| 330130 Extension Cable | Standard extension cable |
| 330330 Proximitor | Alternative proximitor sensor |
会社情報
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