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Model
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VM-1970
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Input Signal
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Piezoelectric Accelerometer
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Frequency Range
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Acceleration： 1Hz ～ 100kHz (±3dB), 3Hz ～ 70kHz (±0.5dB)
Velocity： 3Hz ～ 6kHz (±0.5dB)
Displacement： 3Hz ～ 600Hz (±0.5dB)
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Measurement Range
(for an Accelerometer of
Charge Sensitivity 1.0～9.99pc / m/s2)
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Acceleration
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1,10,100,1000,10000m/s2,5-Ranges
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Velocity
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3Hz～ 1,10,100,1000 cm/s 4-Ranges
10Hz～ 1,10,100,1000 cm/s 4-Ranges
30Hz～ 0.1,1,10,100,1000 cm/s 5-Ranges
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Displacement
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3Hz～ 1,10,100,1000 mm p-p 4-Ranges
10Hz～ 0.1,1,10,100,1000 mm p-p 5-Ranges
30Hz～ 0.01,0.1, 1,10,100 mm p-p 5-Ranges
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H Function
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Value of Acceleration passed through 1kHz Low-pass Filter after processed by the 2kHz～15kHz Band-pass Filter. Unit is same as of Acceleration.
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Filter Response
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Lower Cutoff Frequencyr: (LOW.F):OFF (1Hz),3,10,30Hz
Higher Cutoff Frequency: (HIGH.F):300Hz,1,3,10kHz, OFF,(100kHz)
Cutoff characteristic: -18dB, Butterworth
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Indication
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rms : Mean Square value
EQP: Equivalent Peak estimated from average value
PEAK: Peak value
P・HOLD: Held Max. Peak Value
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Level Watching Function
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Alarm Level Step: 1 Step foe every Channel
Setting: 0 ～110% for every range
Alarm Output: 1a Relay Contact Output Alarm Output : 1a Relay Contact shared by every channel ITTL Level Output for each individual channel
Contact Capacity: DC3VDC 0.5A, AC120V 0.5A
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Output
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Waveform: Voltage: (Load 10kΩ or higher)
Level Output: Voltage: (Load 10kΩ or higher)
Calibration Output: 80Hz Sine
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Ambient Conditions
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For Operation: 0 ～ 40°C, 0 ～ 85% RH or lower
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Power
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100V AC ±15%, 50/60Hz, ≦20VA
Battery: D size 4 pcs. Life 10 hours or longer
External: DC9～12V
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Main Unit Size・Mass
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200Wx150Hx290Dmm (excluding Handles and other protrusions) Approx. 5kg
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