Vibration Switch （VM-90M series）

Application

Measuring System

Brand

IMV

Sub Categories

Reliability & Durability Test and Measurements

Analog type which has lots of achieved hazard prevention

Widely used and long-selling device.

Features

Corresponds to all kind of sensors

Easy installation: stationary, panel housed or wall-mounted

Customizable power supply, alarm delay time and so on

Suitable Sensors

Model	VP-3144C/D^*1	VP-3213AC/AD^*1 （Horizontal only）	VP-A52IW	VP-3133 HEX （Horizontal only） VP-3133 VEX（Vertical only）	VP-3134 AEX
Sensor type	Electrodynamic velocity type		Piezoelectric accelerometer	Electrodynamic velocity type
Sensitivity	10 mV/ （mm/s）	17.5 mV/（mm/s）	5 mV/ （m/s²）	17.5 mV/ （mm/s）	10 mV/ （mm/s）
Natural frequency	14 Hz	4.5 Hz	35,000 Hz	4.5 Hz	14 Hz
Operational temperature range	-20 to ＋80℃	-20 to ＋70℃	-30 to ＋110℃	-20 to ＋70℃
Structure	Drop-proof (Equivalent to IP32)		Insulative and water proof	Flame-proof (EX d ⅡBT4Gb)
Outward appearance
Notes	Suitable for monitoring of medium frequency displacement or velocity	Suitable for monitoring of low frequency displacement or velocity	Suitable for monitoring of acceleration	Suitable for monitoring of low frequency displacement or velocity	Suitable for monitoring of medium frequency displacement or velocity

*1 Cable connection method C: G 1/2 pipe thread/D: direct connection of clamp

*Another sensor for high temperature or waterproof are also available.

Unit: mm

Standard

Type	Monitor for displacement	Monitor for velocity	Monitor for acceleration
	VM-90 MED	VM-90 MEV	VM-90 MEA
Frequency range	15 to 500 Hz +0.5 dB -3 dB 20 to 500 Hz ±0.5 dB	15 to 1,000 Hz +1 dB -3 dB 20 to 850 Hz ±1 dB	10 to 8,000 Hz ±3 dB 20 to 5,000 Hz ±1 dB
Measurement range (full scale) *¹	Select from 0 to 20 μmp-p, 0 to 50 μmp-p, 0 to 100 μmp-p, 0 to 200 μmp-p, 0 to 500 μmp-p	Select from 0 to 1 mm/s, 0 to 2 mm/s, 0 to 5 mm/s, 0 to 10 mm/s, 0 to 20 mm/s, 0 to 50 mm/s	Select from 0 to 1 m/s², 0 to 2 m/ｓ² 0 to 5 m/s², 0 to 10 m/ｓ², 0 to 20 m/s², 0 to 50 m/ｓ², 0 to 100 m/s²
Alarm step	2 steps
DC output (for recorder)	4 to 20 mA (at the load 0 to 300 Ω) 1 to 5 V (100 kΩ or more, 250 Ω connection to outside)
Alarm action	Activated over alarm setting value (time constant : approx. 3 seconds)
Ararm setting range	Possible to set 10 to 100% of full scale
Alarm contact	1C contact for each alarm
Alarm contact capacity	AC250 V 3.0A/DC24 V , 3.0 A (at resistive load)
Alarm reset	Automatic
Operating temperature/ humidity range	0 to 50 ﾟC 0 to 85%RH (Non-condensing)
Power supply	AC100 V or 110 V *² (+10%/-15%), 50/60 Hz
Power consumption	15 VA or less
Size/Mass	200 (W) x 103 (D) x 105 (H) mm (excluding connectors etc.) /2 kg

*1 Please inform us the measurement range
*2 AC 200 / 220 V is optional