ECG-KOKUSAI Motor vibrophonic monitor MV-20/MV-20D

ECG-KOKUSAI Motor vibrophonic monitor MV-20 / MV-20D

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ECG KOKUSAI Co., Ltd.'s Motor Vibrophonic Monitor enhances precision motor inspection by deploying a highly sensitive acceleration-type detector at the bearing area. This innovation circumvents environmental noise, providing accurate, unbiased assessments unaffected by individual inspectors. The system facilitates automatic pass/reject judgments via an optional comparator and supports advanced analysis with features like FFT and USB communication libraries.

Motor vibrophonic monitor

Model:

MV-20 / MV-20D

Maker:

ECG KOKUSAI

Features

・Detects vibration and bearing rumbling due to unbalance of motors, etc.
・The measurement noise can be heard through loudspeakers and earphones.
・The external communication function facilitates the introduction of the system into automated production lines.

Application

Sample Application（ for MV-20D）

・FFT analysis and frequency response time conversion can be checked based on vibration waveform data.
・Libraries that can be easily programmed to acquire data via USB communication are available.

Name of each unit

Specifications

	MV-20	MV-20D
Frequency range	3selectable steps1.Full bandwidth　15Hz～10KHz 2.Low range　15Hz～1KHz 3.High range　1KHz～10KHz
Acceleration range measured	0.05G～10G(6 RANGE)
Output (external output)	100mWrms MAX.(at32Ω)
Frequency characteristics	20Hz～8KHz(±0.5dB) 15Hz～10KHz(±1.0dB)
Filter characteristics	-12dB/oct
Operating temperature/humidity	0℃～40℃ / 10%～70%(No condensation)
Power source	AC100V~AC240V　50/60Hz
Power consumption	5VA以下
Dimensions of main unit	200W×130H×150D
communication port	I/O・RS-232C	I/O・RS-232C・USB
AD Converter	–	Resolution16bit　Memory1Mword
Acceleration Sensor
Detection Method	Piezoelectric Acceleration
Charge Sensitivity	10pC/m/s2
Acceleration MAX.	10000m/s2
Resonant Frequency	20KHｚ Over
Temperature Humidity	-10℃～80℃ / 0%～90%

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