DC4-20mA Output Accelerometer (VP-420/421/422)

Application

Measuring System

Brand

IMV

Sub Categories

Reliability & Durability Test and Measurements

No amplifier unit required

Measurements of acceleration or velocity are provided for easy
monitoring of abnormality on bearings or imbalance.

Features

Small size, light weight

Easy installation with only one screw.

Alarm controllers is not necessary

With direct connection of sensor cable to an external display, trend monitoring is available.

Varied lineup according to field environment

Waveform output or waterproof type is available.

Choice of studs for easy setup

Basic Connection Example (common for all type)

Application Examples

Rotating machinery such as pump or blower

With direct connection of sensor cable to an external display, trend monitoring is available.

Vibration monitoring for machine tool

Can be monitored a measurement value of acceleration and velocity. Easily founded bearing abnormality.

FFT

Vibration precise analysis is available if connected to FFT analyzer. (Requires DC 24 V)

Connection to higher system

Direct connection to DCS PLC. No need to attach on the wall.

Mounting Attachment

Model	MS-AS001	MS-AS002	MS-AS003	MS-AM005
Item	Quick fit （glue stud)）	Quick fit （M8 male）	Quick fit （M6 male）	Quick fit （magnet）
Image

Outline Drawing and Waterproof Performance

There are 3 types. Please contact us after selecting the waterproof performance when ordering.
The standard cable length is 5m. Please contact us if you wish to extend.

Unit: mm

Drop-proof
direct connection cable type

Waterproof connector type

Water resistant type

Standard

Output type / Model	Velocity (current output) VP-420	Velocity (current output) ＋ Acceleration waveform (current output) VP-421	Acceleration (current output) VP-422
Frequency range	10 Hz to 1kHz, ± 5 % (ISO10816)	10 Hz to 1 kHz, ± 5 % (ISO10816)	10 Hz to 5 kHz, ± 3 dB
Measurement range *1	10, 20, 25, 50, 100 mm/s rms	10, 20, 25, 50, 100 mm/s rms	9.8, 19.6, 49, 98, 980 m/s² rms
Output sensitivity	4 to 20 mA / 0 to full scale	4 to 20 mA / 0 to full scale Acceleration waveform：5 mV / (m/s²) 10.2 mV / (m/s²)	4 to 20 mA / 0 to full scale
Voltage supply	DC15 to 30 V, 30 mA or more
Warm-up time	Approx. 2 seconds
Output impedance	DC24 V, maximum 600 Ω
Insulation resistance	DC500 V, 100 MΩ or more
Operating temperature range	-25 to 90 ℃
Cable length *1	Standard 5 m (maximum 1,000 m)
Weight	Approx. 150 g (Cable is not included)
Protection structure	Drop-proof direct connection cable type： IP65 (dust-proof, drop-proof) Waterproof connector type ： IP67 (dust-proof, waterproof) Water resistant type： IP68 (dust-proof, perfect waterproof： water depth 100 m, 10 bar)

Please inform us the full scale value. Acceleration output + acceleration waveform output type (VP-423) is also available.