Vibration Switch
VM-90A Features | - Compact size and low cast
- Vibration measurement with selection of measuring mode and range Disp/Vel/Acc is selectable arbitrarily
- Sufficient basic function Measuring range: 2-range 2-step alarm (Alarm/Trip) 4~20mADC level output 3VACp-p, 2VDC monitor output
- Available for intrinsically safety type pickup
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Standard Composition Name | Model | Remark | Vibration Switch | VM-90A | | Vibration Pickup | VP-A51IW | Accelerometer | Pickup Cable | | With connector and water-proof cap at pickup side, length 5m* | Accessories Fixing screw Hexagonal spanner Screw Instruction manual | | M6, To mount pickup, with hexagonal hole Opposite length 3mm To mount main unit With inspection sheet |
Specifications Vibration Switch Main unit Frequency Range | Acceleration: 7Hz~8kHz ±3dB (10Hz~5kHz±1dB) Velocity: 10Hz~1kHz ±1.5dB Displacement: 10Hz~300Hz ±1.5dB | Measurement Range | Acceleration: 10,100 m/s 2 Velocity: 10,100 mm/s rms Displacement: 100,1000μ mp-p | Alarm Contact | Upper limit 2-step individual level setting (10~100%) Individual 1c contact, Max. capacity 30VDC, 1A Delay time setting: 1~10 sec Automatic reset | Signal Output | 4~20mA DC (max. load resistance 300Ω) | Power Supply | 100VAC±10% 47~63 Hz | Power Consumption | 5VA | Ambient Condition | 0 ~ 50℃, 35 ~ 95%RH(Not due condensation) | Dimensions | W74×H90×D72 mm | Weight | 250g approx. |
Accelerometer VP-A51IW Detecting Method | Piezo-electric acceleration type (pre-amplifier is built-in) | Resonance Frequency | 30kHz approx. | Frequency Range | 5~10,000 Hz±3dB | Voltage Sensitivity | 5 mV/m/s 2 (1G=9.80665m/s 2 ) | Max. Tolerable Acceleration | 5000 m/s 2 | Max. Measurable Acceleration | 900 m/s 2 | Power Supply | 0.5~10mA constant current, 12~30 V | Output Impedance | 50Ω | Ambient Condition | -30~110℃, Not due condensation | Structure | Insulation. Drip-proof structure IP54 | Case Material | Stainless steel | Dimensions & Weight | 17Hex×39mm, 46g | Cable Leading | Top TNC connector |
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