Vibration Measuring System
Vibration Signal Converter（VM-90D Series）
- Entry level model for vibration monitoring
- A standard monitoring device which has the standard functions, such as indication of vibration value, signal output and alarm contact output.
Features
- ■Low price
- ■Compact size
- ■Changeover type for measurement mode and range
System composition
Suitable pickups
| Type | VP-3144C/D*1 | VP-3213AC/AD*1 | VP-3223AC/AD*1 | VP-A52IW | HS-100I |
|---|---|---|---|---|---|
| Pickup type | Electrodynamic velocity type | Piezoelectric accelerometer | |||
| Sensitivity | 10 mV /(mm / s） | 17.5 mV / (mm / s) | 5 mV /（m/s2） | 50mV/G | |
| Natural frequency | 14 Hz | 4.5 Hz | 35,000 Hz | 24,000 Hz | |
| Operational temperature range | -20 to +80 ﾟC | -20 to +70 ﾟC | -30 to +110 ﾟC | -20 to +80 °C | |
| Structure | Drop-proof (Equivalent to IP32) | Insulative and water proof |
Safe and explosion proof (Ex iaⅡC T4 Ga) |
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| Outward appearance |
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| Notes | Suitable for monitoring of medium frequency displacement or velocity |
Suitable for monitoring of low frequency displacement or velocity | Suitable for monitoring of acceleration | Insulated | |
*1 Cable connection method C : G 1/2 pipe thread / D : directly clamped connection
*Other pickups for high temperature or waterproof are also available. Please refer to pickup page.
Specifications
| Item | Specification | ||
|---|---|---|---|
| Signal output | Conversion output | DC4-20 mA, 1 output (response time 3 seconds)*1 | |
| Monitor output | AC ±5 V, FS ± 5 % (For quick check)*3 DC 1 to 5 V, FS ± 5 % (Option) |
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| Alarm output | Alarm contact | 1 step 1a contact, AC 125 V to 0.5 A, DC 30 V to 1A (resistive load) | |
| Alarm setting range | 0 to 100% of full scale arbitary setting ( in 1 % step)*2 | ||
| Alarm action | Operation that activates when time passes alarm delay time after vibration level exceeds alarm set level. (automatic reset) Initial alarm delay time setting 5 sec. (3 – 99 sec. : 1 sec. step) |
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| Indication function |
Main body | Red 7 segment LED (4 digit indication) | |
| Indicator |
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| Operational temperature range | -5 to + 55 ﾟC 30 to 90 %RH (Non-condensing) | ||
| Power supply | AC100 V ± 10 % 50 / 60 Hz ± 2 Hz | ||
| Power consumption | Less than 10 VA | ||
| Mounting | On the wall or Din rail (Din rail connector is detachable) | ||
| Terminal board | M3.5 screw on the back panel | ||
| Material | Plastic | ||
| Size / Mass | 50 (W) x 127 (D) x 80 (H) mm / Approx. 300 g | ||
*1 Can be changed by the customized software
*2 Setting at 0% disable a alarm function
*3 Only for quick check of waveform
(VP-A52IW, VP-A4345I)
VM-90DA (Applicable to pre-amplifier build-in type pickup)
| Measurement Mode | Item | Specification | |
|---|---|---|---|
| Acceleration＊5 | Measurement range | 10, 20, 50, 100, 200 (m/s2 rms) | |
| Frequency range | 10 to 4 kHz ± 1 dB, 10 to 10 kHz, +1 dB, -3 dB | ||
| Velocity＊5 | Measurement range | 5, 10, 20, 50, 100, (mm/s rms) | |
| Frequency range | 10 to 1 kHz ± 1 dB, -2 dB | ||
| H Function＊5 | Measurement range | 10, 20, 50, 100, 200 (m/s2 rms) | |
| Frequency range | DC to 1 kHz (Envelope detection of 2 kHz to 15 kHz) | ||
| H Function CF＊5 | Measurement range | 5, 10, 20, 50, 100 | |
| Frequency range | DC to 1 kHz (for peak / rms of H function) | ||
(VP-90VC, VP-90VD)
VM-90DV (Applicable to medium frequency pickup)
| Measurement mode | Item | Specification | |
|---|---|---|---|
| Velocity＊5 | Measurement Range | 5, 10, 20, 50, 100 (mm/s rms) | |
| Frequency Range | 10 to 1 kHz ±1 dB | ||
| Displacement＊5 | Measurement Range | 50, 100, 200, 500, 1,000 (μmp-p) | |
| Frequency Range | 10 to 500 Hz ± 1 dB | ||
(VP-91VC, VP-91VD, VP-92VC, VP-92VD)
VM-90DVL (Applicable to low frequency pickup)
| Mode | Item | Specification | |
|---|---|---|---|
| Velocity＊5 | Measurement Range | 5, 10, 20, 50, 100 (mm/s rms) | |
| Frequency Range | 5 to 500 Hz ± 1 dB | ||
| Displacement＊5 | Measurement Range | 50, 100, 200, 500, 1,000 (μmp-p) | |
| Frequency Range | 5 to 500 Hz ± 1 dB | ||
*5 Measurement mode is switchable by the switch on the front panel. Measurable up to 20 % of range over. Error is 1 % or less.
Outward dimensions
