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Vibration Monitoring System
VM-9201 Features | - Compact Size
- Two item of Displacement,Velocity, Acceleration and H-function can be monitored simultaneously by one unit.
- Thunder Protector, Isolator and Alarm for pickup Cable disconnection is equipped as standards.
- For Middle & Low Band Vibration Monitoring System VM-9201 series Suitable for Electrodynamic velocity pickup for middle & low band.
- For Wide Band Vibration Monitoring System VM-9201A series Suitable for Piezoelectric accelerometer for wide band
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cificationsModel Name | VM-9201 series | VM-9201A series | Frequency Range | Low
band
| 5～300Hz±0.5dB
High pass filter:5,10,20,50,100Hz Selectable(passband)
| 5～10kHz
High pass filter : 5,10,20,50,100Hz
Selectable(passband)
Low pass filter:100,200,500,1k,
2k,5k,10kHz
Selectable(passband) | Middle
band | 15～500Hz±0.5dB
Low pass filter:20,50,100,200,500Hz
Selectable(passband) | Displacement Range | 20,30,50,100,150,200,300,500μmp-p
Full scale selectable | | Velocity Range | 10,15,20,30,50mm/s Full scale selectable
1.0,1.5,2.0,3.0,5.0,10,15,20cm/s
Full scale selectable | | Acceleration Range | | 10,15,20,30,50,100,
150,200,300,500m/s 2
Full scale is selectable
(1 range is selected) | System Trouble | Indication
Lamp
Alarm Contact
Alarm Reset | Activate by Fusing, Power switch off, Primary/sencondary power cut
Orange LED"FAT" on front panel of amplifier unit :
Light on when secondary side has problem.
1a contact(normal time)
Select auto or manual | Sensor Disconnection Alarm | Indication Lamp
Alarm Contact DC Output at Disconnection Alarm Reset | Activate by sensor disconnection
Green LED"PU" on Front panel of amplifier unit:
Light out by sensor disconnection(Light in normal condition)
Standard: 1a contact(1b or 1c contact is selectable)
| 4～20mADC/1～5VDC→0mA/0V | ![]() | | 4～20mADC/1～5VDC→4mA/1V |
Select auto or manual | | Alarm
Circuit | Delay Timer
Alarm Step
Alarm Setting
Range
Indication Lamp
Alarm Contact
Contact Control
Capacity
Alarm Resel | Activate by exceeding alarm definition value
0～15 sec Selectable by slide switch in amplifier unit
0 sec is set if not specified
Upper limit 2 steps Alarm/Trip
9.9～99.9% of full scale Defined arbitrarily by 0.1% interval
(When alarm function is not used, 99.9% is defined. Indication
Lamp is lit over full scale value and contact activates)
Orange LED "ALM"
Red LED "TRP"
| ALM circuit : a contact ×1, TRP circuit : a contact ×1, | ![]() | | ALM circuit : a contact ×2, TRP circuit : a contact ×2, |
250VAC～4A
30VDC～3A
Select auto(hysteresis3%) or manual(alarm reset button) | Rectified Level Output (insulation Output) | 4～20mADCX2, Load Within 0～500Ω
1～5VDCX2, Load over 100kΩ | ![]() |
| Sensor Waveform Output | Depends on specification of used sensor ±10mVAC(mm/s)or ±17.5mVAC/(mm/s) Load over 100kΩ | Depends on specification of
used sensor
±5mVAC/(m/s 2 )
Load over 100kΩ | Waveform Output | ±5VAC, Load over 100kΩ | Panel Meter | Display red LED 3 digits. Display "9.9.9" at point over 120% of full scale | Ambient temperature & Humidity | 0～50℃, 20～95%RH.
but max. wet-bulb temp. 35℃, without condensation | Power Supply | 85～264VAC, 47～66Hz | Power Consumption | 1ch : 30VA, 3ch : 50VA, 6ch : 90VA,
9ch : 140VA, 12ch : 180VA(at100VAC)
(according to number of amplifier unit and used power supply) | Coating Color | Panel Munsell 5Y7/1 half glaze |
★Measurement of velocity, displacement or H-function is also achievable by VM-9201A series. ![]() | A | B | C | D | E | F | G | H | I | Weight | 1 channel type | 90 | 170 | 300 | 88 | 132 | 90 | 148 | 162 | 50 | 2 | 3 channel type | 210 | 149 | 300 | 160 | 132 | 180 | 143 | 100 | 195 | 3.8 | 6 channel type | 300 | 149 | 300 | 250 | 132 | 270 | 143 | 100 | 285 | 5.9 | 9 channel type | 390 | 149 | 300 | 340 | 132 | 360 | 143 | 100 | 375 | 8.9 | 12 channel type | 480 | 149 | 300 | 430 | 132 | 450 | 143 | 100 | 465 | 10 |
Unit : mm Unit : kg
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