Product Overview
The Bently Nevada 991-06-70-01-CN Thrust Transmitter is a compact, loop-powered 4–20 mA transmitter designed for OEMs / centrifugal compressors, pumps, motors, and fans. It interfaces with the 3300 NSv proximity probe system to deliver accurate axial displacement (thrust position) signals for machinery protection and control systems.
Technical Specifications
| Parameter | 説明 |
|---|---|
| Input | 3300 NSv proximity probe and matching extension cable |
| Output | 4–20 mA DC, loop-powered, proportional to shaft axial position |
| Loop Accuracy | ±1.5% over full scale |
| Max Loop Resistance | 1000 Ω at 35 VDC |
| Power Supply Range | +12 to +35 VDC |
| Zero and Span | Non-interacting potentiometers |
| Not OK/Signal Defeat | Signal <3.6 mA within 100 μs / fault |
| Prox Out Impedance | 10 kΩ (calibrated for 10 MΩ load) |
| Operating Temperature | -35°C to +85°C |
| Storage Temperature | -51°C to +100°C |
| Relative Humidity | 100% condensing |
| Dimensions | 100.1 x 73.9 x 53.3 mm |
| 重量 | 0.43 kg |
| Mounting Options | DIN rail or bulkhead screws |
| Compatible Probe Range | 0.25 to 1.65 mm (10 to 65 mils) |
| Compliance | FCC, RoHS, ATEX, CSA, ABS |
| Environmental Protection | Potted construction, harsh environment compatible |
Application Areas
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Centrifugal air compressors
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Small industrial pumps
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Electric motors
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Industrial fans
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Skid-mounted OEM machinery
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Machinery with limited installation space
Product Advantages
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Integrated Sensor Design: No need for external Proximitor 台s
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Compact Size: Easily fits in confined equipment spaces
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Diagnostics Ready: Provides dynamic signal for monitoring and diagnostics
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Fast Fault Detection: Responds rapidly to Not OK conditions
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Simple Installation: DIN rail or bulkhead mounting included
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Rugged Build: Potted construction ideal for high-humidity areas
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Standard Signal: 4–20 mA output compatible with common control systems
よくある質問 (FAQ)
Q1: What type / probe is required for this transmitter?
A1: It is compatible with Bently Nevada 3300 NSv proximity probes and extension cables.
Q2: Can it operate in hazardous environments?
A2: Yes, it meets CSA Division 2, ATEX Zone 0/2, and IECEx approvals.
Q3: What does the Not OK/Signal Defeat function do?
A3: It reduces the signal to <3.6 mA during probe faults or disconnections to avoid false alarms.
Q4: Is the output signal isolated?
A4: The “PROX OUT” signal is not isolated. Use the recommended 122115-01 test adapter for diagnostics.
Q5: How is it mounted?
A5: It supports both DIN rail and bulkhead screw mounting options.
Q6: What is the linear range / measurement?
A6: The linear range for Prox Out is 0.25–1.65 mm.
Q7: Does it support real-time diagnostics?
A7: Yes, via the PROX OUT signal output connected to test equipment.
Q8: What power voltage does it require?
A8: It operates on +12 to +35 VDC loop power.
Q9: Is it suitable for continuous monitoring systems?
A9: No, it is intended for trending and protection; continuous monitoring systems /fer broader functionality.
Q10: What environments is it designed for?
A10: It is suitable for high humidity (up to 100% condensing) and industrial temperature extremes.
Related モデルs (Same Series or Compatible)
| モデル Number | 説明 | Output Signal | System Length | Mount Type |
|---|---|---|---|---|
| 991-06-50-01-CN | 991 Thrust Transmitter, 5m cable | 4–20 mA | 5.0 meters | DIN rail |
| 991-25-70-01-CN | 991 Thrust Transmitter, 25 mils FS, 7m cable | 4–20 mA | 7.0 meters | DIN rail |
| 991-25-50-02-CN | 991 Thrust Transmitter, 25 mils FS, bulkhead | 4–20 mA | 5.0 meters | Bulkhead |
| 991-06-70-02-CN | Current model, bulkhead mount option | 4–20 mA | 7.0 meters | Bulkhead |
| 991-25-70-03-CN | Includes DIN rail and bulkhead mounting | 4–20 mA | 7.0 meters | Dual mount |
| 991-06-50-03-CN | Compact transmitter for 5m cable, dual mount | 4–20 mA | 5.0 meters | Dual mount |
Popular Bently Nevada モデルs
| モデル Number | 説明 | Measurement Type | Signal Type | Dimensions (mm) | 重量 |
|---|---|---|---|---|---|
| 330104-00-06-10-11-00 | 3300 XL 8mm Proximity Probe | Vibration/Displacement | Voltage | 80 x 15 x 15 | 0.15 kg |
| 3500/42M-01-00 | Proximitor Seismic Monitor | Vibration | Module | 241 x 24 x 190 | 0.60 kg |
| 3500/22M-01-01-00 | Transient Data Interface | System Interface | Digital | 241 x 24 x 190 | 0.65 kg |
| 330180-91-CN | 3300 XL Proximitor Sensor | Axial/Thrust | 4–20 mA | 100.1 x 73.9 x 53.3 | 0.43 kg |
| 330130-080-00-00 | Extension Cable for 3300 XL Series | Cable | — | Custom lengths | 0.30 kg |
| 3500/15-05-05-00 | Power Supply Module | Power Supply | AC/DC | 241 x 24 x 190 | 0.95 kg |
会社情報
E-mail: [email protected]
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Add: 中国福建省廈門市思明区呂嶺路2号 阿里山ビル 〒361006
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