Meggitt Vibro-Meter PV685 Piezoelectric Accelerometer
Meggitt
产品编号: Vibro-Meter PV685
生产厂家: Meggitt
Confirmed Rating:
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Rating Count: 11006
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Datasheets for Meggitt Vibro-Meter PV685 Piezoelectric Accelerometer
Description for Meggitt Vibro-Meter PV685 Piezoelectric Accelerometer
Current output: 4 to 20 mA proportional to 0 to 10, 20, 25, 50 or 100 mm/s, −25 to 90 °C, up to 1000 Hz.The PV685 piezoelectric velocity sensor is a general-purpose industry standard 4 to 20 mA loop-powered vibration sensor (vibration transmitter) with a piezoelectric sensing element, integrated electronics and a current output. It is available with a sensitivity of 4 to 20 mA proportional to either 0 to 10, 20, 25, 50 or 100 mm/s, and in standard versions or Ex versions. The PV685 is designed and manufactured for use in harsh industrial environments, including hazardous areas (potentially explosive atmospheres).FeaturesDesigned for general-purpose vibration measurement, typically balance of plant (BOP) machinery such as compressors, gearboxes, motors, pumps and fansIndustry standard 4 to 20 mA loop-powered vibration sensor (vibration transmitter)Quasi-static output signal (4 to 20 mA proportional to 0 to 10, 20, 25, 50 or 100 mm/s) indicating InchoverallInch vibrationTypically connected to a machinery monitoring system for protection applications and/or a control system such as a DCS or PLC for monitoring and/or control applicationsIP67 protection rating PARAMETER VALUE (IMPERIAL | METRIC) Output type Current loop (4 to 20 mA) Sensitivity 4 to 20 mA proportional to 0 to 10, 20, 25, 50 or 100 mm/s RMS Operating temperature range −13 to 194 °F | −25 to 90 °C Frequency response 2 to 1000 Hz Sensitivity tolerance ±5% Dynamic measurement range Up to 50 g Linearity <1% up to full scale Transverse sensitivity <5% Resonant frequency 5 kHz Type of electronics Integrated Hazardous area certifications Ex ia
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