GE Bently Nevada 990 Vibration Transmitter 振动监测

GE Bently Nevada 990 Vibration Transmitter 振动监测-产品快照

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GE
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GE Bently Nevada 990 Vibration 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

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产品介绍

GE Bently Nevada 990 Vibration Transmitter 振动监测

GE Bently Nevada 990 Vibration Transmitter

GE Bently Nevada

Provides a 4-20 mA signal proportional to relative vibration on smaller, non-critical machinery The GE Bently Nevada 990 Vibration Transmitter is intended primarily for the original equipment manufacturers (OEMs) of centrifugal air compressors or small pumps, motors, or fans who prefer to provide a simple 4 to 20 mA proportional vibration signal as the input to their machinery control system. The 990 vibration transmitter is a 2-wire, loop-powered device that accepts input from GE Bently Nevada's 3300 NSv proximity probes and a matching extension cable (available in 5 m and 7 m system length options). The transmitter conditions the signal into appropriate peak-to-peak vibration amplitude engineering units, and provides this value as a proportional 4 to 20 mA industry-standard signal as the 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 to 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 for quick verification of loop signal output, using a function generator 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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