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VM-21 Vibration Monitor

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 VM-21 functional specifications include:

Input

Number of Channels

2

Continuous measurements

Continuously updated every 1 second on each channel

Transducer types

ICP accelerometer

Integration

up to 1 stage analog
1 or 2 stages digital

Vibration parameters

Measured magnitudes

displacement,
velocity,
acceleration,
peak-factor

Detector

RMS, true peak, peak-peak

Frequency bands for vibration

ISO standard:

2..1000, 10..1000, 10..2000 Hz

additional:

2..200, 3..300, 5..500, 10..5000, 5000..10000, 10000..25000, 17000..25000, 500..2500, 600..1250, 1250..2500, 2500..5000 Hz

Vibration range

acceleration from 0.02 up to 1000 m/s2
velocity from 0.01 up to 1000mm/s
displacement from 0.1 up to 10000um

Scale Type

Linear or log

Units

g, m/s2, mm/s, um, V, in/s, mils  

Alarming and indication

Alarm levels

Low signal
4 condition zones divided by thresholds for

  • Acceptable
  • Alert
  • Danger

Thresholds

Programmable

Indication

Numerical
Color
Bar graphs within each condition zone

Relay lines

2 independent for each channel

Relay operation algorithm

custom programmable

Relay commutation

1 A maximum current
150V DC or 250V AC

Analog output

For control systems

4-20 mA for each channel

For condition monitoring, diagnostics

-3 .. +3 V linear output from accelerometers

Integration in the information system of the enterprise

Interface

RS-485 industry standard

Supported protocol

MODBUS RTU

Software technology

OPC Server

General

Operation Temperature

0 / +50C

Dimensions

115 x 90 x 60 mm

Power supply required

10..40V DC

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