EUROPE


Vibration Measuring System

Vibration Switch(VM-90A)

Compact popular type
A popular vibration monitor specialized in low cost and control function. It is suitable for automatic control when abnormal vibration occurs.

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

Stop operation in case of abnormality installed on or inside machine tools or crushers etc.

Specifications

Item Specification
Frequency
range
Acceleration 8Hz to 8kHz, -3dB (10Hz to 5kHz, ±1dB)
Velocity 10Hz to 1kHz, ±1.5dB
Displacement 10Hz to 300Hz, ±1.5dB
Measurement
range
Acceleration 10,100m/s2
Velocity 10, 100mm/s rms
Displacement 100, 1,000μmp-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 – 20mA (maximum load resistance 300Ω)
Monitor output AC3 VP-P full scale
DC2 V full scale
Power supply AC100 V±10V, 47 to 63Hz
Power consumption 5VA 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

Item Notes
Pickup (VP-A51IW) Piesoelectric accelerometer
Pickup cable 5m 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 mannual
    (with test certification)

Other lengths available on request. (Maximum length is 200m)

Option

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

Outward dimensions