THAILAND

Features

■Low cost

■Changeover type for measurement mode and range

■Two step alarm setting, level outputs available

■Applicable with intrinsic safety proof pickups

Application example

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A vibration switch is connected to a pickup installed in a machine tool, crusher, centrifugal separator, cooling tower, etc.
Maintenance monitoring can be performed to stop operation if there is abnormal vibration in the equipment.

Specifications

VM-90A (Standard type)
Specification sheet Download

VM-90A (Intrinsically safe explosion-proofing type)
Specification sheet Download

Item	Specification
Frequency range	Acceleration	8 Hz to 8 kHz, -3 dB (10 Hz to 5 kHz, ±1 dB)
	Velocity	10 Hz to 1kHz, ±1.5 dB
	Displacement	10 Hz to 300 Hz, ±1.5 dB
Measurement range	Acceleration	10,100 m/s2
	Velocity	10, 100 mm/s rms
	Displacement	100, 1,000 μmp-p
Alarm output	Individual level setting (upper 2 steps ) : 10 to 100 % Individual 1c contact : maximum capacity DC30 V, 1A Delay time setting : 1 to 10 seconds Automatic reset
Level output	DC4 – 20 mA (maximum load resistance 300Ω)
Monitor output	AC3 VP-P full scale DC2 V full scale
Power supply	AC100 V±10 V, 47 to 63Hz
Power consumption	4VA or smaller
Operational temperature / humidity range	0 to +50ﾟC, 35 to 95%RH (non-condensing)
Mass / Size	74(W) X 72(D) X 90(H) mm / approx. 250g

Standard composition

・Standard type

Item	Notes
Pickup (VP-A51IW)	Piezoelectric accelerometer
Pickup cable	5 m long cable* with a pick up connector and waterproof cap
Standard accessories	● screw for pickup attachment M6, hexagonal hole ● sems screw for main body installation ● hex key wrench ● instruction manual (with test certification)

* Other lengths available on request.
* Please check the specification sheet for details.

・Intrinsically safe explosion-proofing type

Item	Notes
Pickup (HS-100I)	Piezoelectric accelerometer
Pickup cable	5 m long cable* with a pick up waterproof connector
Standard accessories	● screw for pickup attachment M6, hexagonal hole ● instruction manual (with test certification)

* Other lengths available on request.
* Please check the specification sheet for details.

Option

Item	Notes
Mechanical filter (MCF-6H)	Prevention of incorrect operation on displacement / velocity measurement. Elimination of high frequency component.

Outward dimensions