Bently Nevada 990-08-XX-01-CN Vibration Transmitter
Genuine Bently Nevada 990-08-XX-01-CN. Vibration Transmitter. Factory-tested, 48h burn-in. 12-month warranty. Ships within 24h.
Technical Specifications
| Integrated Proximitor Sensor | Designed for direct integration; no external unit is required. |
|---|---|
| Non-Isolated Terminals | "PROX OUT" and "COM" terminals provide dynamic vibration and gap voltage signal outputs for diagnostics. |
| Non-Interacting Potentiometers | Zero and span potentiometers support loop adjustment without interaction. |
| Test Input Pin | Allows for quick verification of loop signal output using a function generator. |
| Power-Up Inhibit Circuit | Eliminates signal errors due to line voltage transients during power-up. |
| Not OK/Signal Defeat Circuit | Prevents high outputs or false alarms caused by faulty proximity probes or loose connections. |
| Mounting Options | Can be mounted using DIN-rail clips or bulkhead mounting screws. |
| Potted Construction | Designed for high humidity environments, suitable for up to 100% condensing conditions. |
| Current Loop Range | 4-20 mA |
| Proximity Range | 10-65 mils |
| System Length Option | Up to 9 meters |
| Mounting Option | 35 mm DIN Rail Clips |
| Shipping Weight | 3 kg |
| Manufacturer | Bently Nevada |
| Model / SKU | 990-08-XX-01-CN |
Ships within 24 hours | 12-Month Warranty | Worldwide Delivery
Why the Bently Nevada 990-08-XX-01-CN Is Worth Having on Your Shelf
If you maintain rotating machinery — turbines, compressors, pumps, generators — you already know that vibration sensors do not last forever. Thermal cycling, mechanical shock, chemical exposure, and simple age all contribute to calibration drift. A sensor that has drifted by 10% still produces a signal. The monitor rack still displays numbers. But those numbers are wrong, and wrong numbers lead to wrong decisions — missed faults or false trips.
The Bently Nevada 990-08-XX-01-CN Vibration Transmitter is a genuine Bently Nevada sensor. Not an aftermarket clone. Not a "compatible replacement." Integrated Proximitor Sensor: Designed for direct integration; no external unit is required.; Non-Interacting Potentiometers: Zero and span potentiometers support loop adjustment without interaction.; Test Input Pin: Allows for quick verification of loop signal output using a function generator.; Power-Up Inhibit Circuit: Eliminates signal errors due to line voltage transients during power-up.. We verify every unit on a calibrated test bench before shipping: scale factor, linearity, and gap voltage measured against the manufacturer specification. Units that deviate are not shipped. A printed test report with serial number, test date, and all measured values accompanies every order.
Installation is just as important as the sensor itself. For eddy-current probes, the target surface must be clean, smooth, and conductive — at least twice the probe tip diameter. Use a gap meter to set the correct voltage. Verify output at the proximitor after installation. A probe installed with incorrect gap reports incorrect vibration amplitudes. 12-month warranty. Ships within 24 hours from Shenzhen.
If you are replacing a failed sensor, consider ordering a spare at the same time. The cost of one spare sensor is trivial compared to the cost of one unplanned outage in a process critical machine. Sensors in harsh environments — high temperature, moisture, corrosive atmosphere — have shorter service lives. Having a tested spare on your shelf turns an emergency into a planned maintenance task.
Compatible Parts — Same System
These modules share the same system family as the 990-08-XX-01-CN. Commonly ordered together for complete rack builds or spare parts kits.
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