GE Bently Nevada 991 Thrust Transmitter 振动监测-产品快照
- 品牌:
- GE
- 型号:
- GE Bently Nevada 991 Thrust Transmitter
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| 供应商名称 | 电话 | 备注 |
|---|---|---|
| 东莞市欧能自动化设备有限公司 | 18680502757 | |
| 福州福大自动化科技有限公司 | 0591-28482265 | |
| 上海佳樾自动化科技有限公司 | 021-32502215 | |
| 深圳市行健自动化股份有限公司 | 0755-86336499 | |
| 美国通用电气公司 | 400-820-7157 |
产品介绍
GE Bently Nevada 991 Thrust Transmitter 振动监测
GE Bently Nevada 991 Thrust Transmitter
GE Bently Nevada
Provides a 4-20 mA signal proportional to thrust position on smaller, non-critical machinery The GE Bently Nevada 991 Thrust Transmitter provides a 4-20 mA signal proportional to thrust position and is designed for use on smaller, non-critical machinery. Its primary use is on centrifugal air compressors with fluid-film thrust bearings. The 991 Thrust Transmitter can measure up to 1.2 mm or 50 mils of total thrust movement. The 991 thrust transmitter is a 2-wire, loop-powered device that accepts input from GE Bently Nevada's 3300 NSv proximity probes and matching extension cables (available in 5 and 7 meter system length options). The transmitter conditions the signal into appropriate engineering units proportional to the shaft's axial position, and provides it as a 4 to 20 mA industry-standard signal for input to the control system where machinery protection alarming and logic occurs.
Features Integrated Proximitor Sensor requires no external unit Non-isolated “PROX OUT " and "COM" terminals plus a coaxial connector provide a dynamic vibration and gap voltage signal output for diagnostics Non-interacting zero and span potentiometers under the Transmitter label supports loop adjustment Test Input pin allows quick verification of loop signal output, using a variable DC voltage source as the input A Power-up Inhibit circuit eliminates signal errors due to line voltage transients A Not OK/Signal Defeat circuit prevents high outputs or false alarms due to a faulty proximity probe or loose connection Choice of DIN-rail clips or bulkhead mounting screws as standard options simplifies mounting Potted construction for high humidity (up to 100% condensing) environments Compatibility with 3300 NSv proximity probe allows transducer installation in small areas with minimal clearance, typical of centrifugal air compressors
Vibration Monitoring
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