VM-1970 - 数字式电荷振动仪

产品品牌：日本IMV

产品型号：VM-1970

主要技术指标：

根据拾取灵敏度或滤波器响应，可以自动地转换测量值和单位的变化。可用CGS单位指示。

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索取数字式电荷振动仪说明书

索取数字式电荷振动仪报价单

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Specifications

Model

VM-1970

Input Signal

Piezoelectric Accelerometer

Frequency Range

Acceleration： 1Hz ～ 100kHz (±3dB), 3Hz ～ 70kHz (±0.5dB)
Velocity： 3Hz ～ 6kHz (±0.5dB)
Displacement： 3Hz ～ 600Hz (±0.5dB)

Measurement Range
(for an Accelerometer of
Charge Sensitivity 1.0～9.99pc / m/s²)

Acceleration	1,10,100,1000,10000m/s²,5-Ranges
Velocity	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
Displacement	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
H Function	Value of Acceleration passed through 1kHz Low-pass Filter after processed by the 2kHz～15kHz Band-pass Filter. Unit is same as of Acceleration.

Filter Response

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

Indication

rms : Mean Square value
EQP: Equivalent Peak estimated from average value
PEAK: Peak value
P・HOLD: Held Max. Peak Value

Level Watching Function

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

Output

Waveform: Voltage: (Load 10kΩ or higher)
Level Output: Voltage: (Load 10kΩ or higher)
Calibration Output: 80Hz Sine

Ambient Conditions

For Operation: 0 ～ 40°C, 0 ～ 85% RH or lower

Power

100V AC ±15%, 50/60Hz, ≦20VA
Battery: D size 4 pcs. Life 10 hours or longer
External: DC9～12V

Main Unit Size・Mass

200Wx150Hx290Dmm (excluding Handles and other protrusions) Approx. 5kg

Standard Accessories

No.	Item	Qty	Descriptions
1	AC Adapter	1	For AC 100V
2	AC Adapter Plug	1	Accessory of above
3	Output Cable	1	1.5m
4	Screw Driver	1	Minus type
5	Fuse	2	2 ampere
6	Main Unit Plastic Cover	1	―
7	Instruction Manual	2	―

Option

No.	Item	Remark
1	Auxiliary Output Connector	For Alarm Relay
2	Conversion Transformer	For AC Adapter

Applications (Connection of the External Equipments)

AC OUTPUT (for Full Scale ＋5V, Load 10kΩ or higherWaveform Output・・・Oscilloscope・Stroboscope・Data Recorder.

DC OUTPUT (for Full Scale ＋5V, Load 10kΩ or higherVibration Level Output・・・Pen Recorder

，在线测振仪，

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