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Home >> Test & Measurement >> Industrial Production >> Vibration Test Systems >> Vibration Measuring >> Vibration Monitoring Systems
Vibration Signal Converter（VM-90D Series）

Vibration Signal Converter（VM-90D Series）

State: In stock
High performance and low cost
Small size, attachable with DIN rail
Switchover Measurement Mode, switchover Measurement Range
-Acceleration / Velocity / H Function / H Function CF *
（only for VM-80DA)
-Velocity / Displacement (VM-90 DV / DVL)
Warranty: No warranty infomation


Price: Contact us




Order
  • Delivery time: 8h00 - 18h00 daily
  • Genuine product, provided width CO, CQ
  • 03 months of free warranty for consumable and accessories
  • 12 months of free warranty for main equipment
  • Accessorie's price is applied only when purchased with
    main equipment
  • Contact us for any particular accessory's quotion
Email: info@redstarvietnam.com Every day in week

 

  • High performance and low cost
  • Small size, attachable with DIN rail
  • Switchover Measurement Mode, switchover Measurement Range
    ●Acceleration / Velocity / H Function / H Function CF *
    （only for VM-80DA)
    ●Velocity / Displacement (VM-90 DV / DVL)
  • 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

 

ClassificationItemSpecification
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 ModeItemSpecification
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）

 

ModeItemSpecification
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）

 

ModeItemSpecification
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

Composition

Outward SizeBlock Diagram

 

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