1、High performance and low cost
2、Small size, attachable with DIN rail
3、Switchover Measurement Mode, switchover Measurement Range

●Acceleration / Velocity / H Function / H Function CF *（only for VM-80DA)
●Velocity / Displacement (VM-90 DV / DVL)

4、Substantial basic functions

One step alarm output
DC4 ～ 20mA level output
AC±5V monitor output
Level indication

* CF : Crest Factor＝Peak Factor

 

Common Specifications of Main Units

Classification	Item	Specification
Signal Output	Converted Output	DC4-20mA、1 Output (Response time 3 sec*1）
	Monitor Output	AC±5V　FS±5%（for quick check)*3 1-5VDC　FS±5%（option）
Alarm Output	Alarm Contact	1 Step 1a Contact AC 125V、 DC 30V－1A　（Resistive Load）
	Alarm Level Setting Extent	0～100% of Full Scale Arbitrary Setting (in 1% Step)*2
	Alarm Action	Detecting the set Alarm level ,activates at the end of the Delay time  (reset automatically)  Initial Delay time setting 5sec (3～99sec: 1 sec Step)
Indication	Main Unit Panel Indicator	Red 7 segment LED (4 Digit Indication)
		Vibration Amplitude	5 Ranges for each selected function Blinks for over 120% of Full Scale
		Alarm Setting (%)	1～100% for Full Scale*2
		Pickup Sensitivity	80～120% for Standard Sensitivity
Ambient  Environment	Ambient Temperature	-5～55℃
	Ambient Humidity	30～90%RH（No condensation）
Others	Supply Voltage	AC100V±10%　50/60Hz±2Hz
	Installation	On the Wall or DIN Rail (Din Rail contact section is demountable)On
	Terminal Board	M3.5 screws on the Back Panel
	Outward Case Material	Plastic
	Size・Mass	W50×H80×D127mm　Approx. 300g

*1：Changeable by the customized software

*2: Setting of 0% cancels the alarm function.

*3：Usable for quick check of the waveforms

(1)Specifications of VM-90 DA (Applicable to Pre-amplifier build-in type Pickups)＊6
（VP-A51 IW / VP-A 4345Ⅰ）

Measurement Mode	Item	Specification
Acceleration＊5	Measurement Range	10, 20, 50, 100, 200(m/s2rms)
	Frequency Range	10～4kHz±1dB 10～10kHz+1dB、-3dB
Velocity＊5	Measurement Range	5, 10, 20, 50, 100(mm/s rms)
	Frequency Range	10～1kHz+1dB、-2dB
H Function＊5	Measurement Range	10, 20, 50, 100, 200(m/s2rms)
	Frequency Range	DC～1kHz（Envelope detection of 2kHz～15kHz）
H Function CF＊5	Measurement Range	5, 10, 20, 50, 100
	Frequency Range	DC～1kHz（for peak/rms of H Function）

*5：Changeover of the ｍeasurement mode is possible by the switch located on the front panel.

*6：Designate the type of the main unit on placing order

(2)VM-90 DV Specifications (Using Medium Frequency Pickups)＊6
（VP-90 VC / VP-90 VD）

Mode	Item	Specification
Velocity＊5	Measurement Range	5,10,20,50,100(mm/s rms)
	Frequency Range	10～1kHz+1dB
Displacement＊5	Measurement Range	50,100,200,500,1000(μmp-p)
	Frequency Range	10～500Hz±1dB

*5：Changeover of the ｍeasurement mode is possible by the switch located on the front panel.

*6：Designate the type of the main unit on placing order

(3)VM-90 DV Specifications (Using Low Frequency Pickups)＊6
（VP-91 VC / VP-91 VD / VP-92 VC / VP-92 VD）

Mode	Item	Specification
Velocity＊5	Measurement Range	5,10,20,50,100(mm/s rms)
	Frequency Range	5～500Hz+1dB
Displacement＊5	Measurement Range	50,100,200,500,1000(μmp-p)
	Frequency Range	5～500Hz±1dB

*5：Changeover of the ｍeasurement mode is possible by the switch located on the front panel.

*6：Designate the type of the main unit on placing order

Selection of Vibration Pickup

■For malfunction detection of bearings

Piezoelectric Accelerometer（Pre-amplifier build-in type）
（1）VP-A51IW, VP-A4345I

■For monitoring of velocity or displacement of 1 kHz or lower

Electrodynamic Velocity Pickup（Medium frequency type）
（2）VP-90 VC, VP-90 VD

■For monitoring of displacement or velocity of 10Hz or lower

Electrodynamic Velocity Pickup（Low frequency type）
（3）VP-91 VC, VP-91 VD（Horizontal dedicated）
　　　VP-92 VC, VP-92 VD（Vertical dedicated）

Composition・Block Diagram