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Home Test and Measurements Digital Charge-input Vibrometer (VM-1970)
K2
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Charge Amplifier (VM-1980/3)
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IMV

Digital Charge-input Vibrometer (VM-1970)

Brand

IMV

Sub Categories

Reliability & Durability Test and Measurements

Application

Measuring System

Category: Test and Measurements
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  • Description
  • Specification
Description

Covers from 1 Hz up to 100 kHz

Conversion of the measured value or change of unit are automatic. No need for complicated operations and easy to read indication.

Features

H function is measurable

Level alarm function

Vibration severity calculation according to ISO-10816 is available.

System Composition

AC OUTPUT
(± 5 V at full scale, load 10 kΩ min.) Waveform output
Connection to oscilloscopes, stroboscopes, data recorders, etc.
DC OUTPUT
(± 5 V at full scale, load 10 kΩ min.) Vibration level output
 

VP-32 Piezoelectric accelerometers

Specification

Standard

ItemSpecification
Input signalPiezoelectric accelerometer
Frequency range

Acceleration : 1 Hz to 100 kHz (±3 dB), 3 Hz to 70 kHz (±0.5 dB)

Velocity : 3 Hz to 6 kHz (±0.5 dB)

Displacement : 3 Hz to 600 Hz (±0.5 dB)

Measurement range (for an accelerometer of charge sensitivity 1.0–9.99pc / m/s2)Acceleration1, 10, 100, 1000, 10000 m/s² 5 range
Velocity

3 Hz to 1, 10, 100, 1000 cm/s 4 range

10 Hz to 1, 10, 100, 1000 cm/s 4 range

30 Hz to 0.1, 1, 10, 100, 1000 cm/s 5 range

Displacement

3 Hz to 1, 10, 100, 1000 mmp-p 4 range

10 Hz to 0.1, 1, 10, 100, 1000 mmp-p 5 range

30 Hz to 0.01, 0.1, 1, 10, 100 mmp-p 5 range

H functionValue of acceleration detected after passing 2 kHz to 15 kHz bandpass filter then detected and processed by 1 kHz low pass filter. Unit is the same as of acceleration.
Filter response

Lower cutoff frequency : Off (1 Hz), 3, 10, 30 Hz

Higher cutoff frequency : 300Hz, 1, 3, 10 k, Off (100 kHz)

Cutoff : -18 dB Butterworth

Indication

rms : Mean square value

EQP : Equivalent peak estimated from average value

PEAK : Peak value

P-HOLD : Held max. peak value

Level watching function

Alarm level step : 1 Step for every channel

Setting : 0 to 110 % for every range

Alarm output : 1a Relay contact output / ITTL level output for each individual channel

Contact capacity : DC30 V 0.5 A, AC120 V 0.5 A

Output

Waveform : voltage 0 to ± 5 V (load 10 kΩ or higher)

Level output : voltage 0 to ± 5 V (load 10 kΩ or higher)

calibration output : 80 Hz Sine output

Ambient temperature / humidity0 to +40゚ C / 85 %RH or lower (non-condensing)
Power supply

Commercial power supply : AC100 V ±15 % 50 / 60 Hz 20 VA or less

Battery : D size 4 pcs. life 10 hours or longer

External DC power supply : DC9 to 12 V

Size / Mass200 (W) x 290 (D) x 150 (H) mm (excluding connectors etc.) / Approx. 5 kg

Standard composition

ItemQuantityNotes
AC adapter1For AC 100 V
AC adapter plug1Accessory for AC adapter
Output cable11.5 m
Screw driver1Flathead screwdriver
Fuse22:00 AM
Main unit plastic cover1―
Instruction manual2―

Option

ItemNotes
Auxiliary output connectorFor alarm relay
Conversion transformerFor AC adapter

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