Bently Nevada 991-25-70-01-CN Vibration Transmitter
$226.00
$520.00
Penerangan
Product Description
The Bently Nevada 991‑25‑70‑01‑CN is a precision vibration transmitter designed for continuous online monitoring of rotating machinery such as turbines, compressors, motors, pumps, and gearboxes. It integrates a proximity probe, integral cable, and Proximitor® sensor into a single unit, delivering a reliable 4–20 mA current loop output for vibration amplitude, shaft position, or Keyphasor® reference signals. This transmitter enables direct interface with PLC/DCS systems without the need for a full monitoring rack.
Technical Specifications
General
| Parameter | Specification |
|---|---|
| Model | 991‑25‑70‑01‑CN |
| Product Type | Vibration Transmitter / Probe |
| Series | 991 Series Proximitor®-based |
| Application | Vibration and shaft 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 monitoring |
| Accuracy | ±1% typical |
| Power Supply | 12–35 VDC (typical industrial standard) |
| Linear Range | 0.25–1.65 mm Prox Out; suitable for 0.6–0–0.6 mm or 25–0–25 mils current loop |
Mechanical
| Parameter | Specification |
|---|---|
| Probe Tip Diameter | 8 mm |
| Cable Type | Integral cable with standard connector |
| Housing Material | Stainless steel |
| Mounting | 35 mm DIN-rail clips |
| Connector | Standard Bently Nevada designation |
Environmental
| Parameter | Specification |
|---|---|
| Operating Temperature | –35 °C to +180 °C (probe) |
| Humidity | Industrial-grade sealed construction |
| Compliance | Designed for harsh industrial environments |
Typical Applications
Steam and gas turbines
Compressors and pumps
Electric motors and generators
Gearboxes and other rotating equipment
FAQ
Q1: Can this transmitter connect directly to a PLC?
A1: Yes, the 991‑25‑70‑01‑CN provides a 4–20 mA output that allows direct connection to PLC/DCS systems without a monitoring rack.
Q2: What measurements does it support?
A2: It supports shaft vibration, shaft position, and Keyphasor® reference measurements using non-contact eddy-current technology.
Q3: Is it suitable for harsh industrial conditions?
A3: Yes, the transmitter has a sealed stainless-steel housing and operates from –35 °C to +180 °C, ensuring reliable performance in industrial environments.
Q4: How does it differ from other 991 Series transmitters?
A4: This model combines the probe, cable, and Proximitor® sensor into a single assembly, reducing installation complexity compared to separate modules in standard 991 Series devices.
Ciri-ciri
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