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。

常见问答

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


振动监测仪,

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