| Type | VM-9301 series | VM-9301A series |
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| Pickup | Electrodynamic velocity pickup | Piezoelectric accelerometer |
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Amplifier
unit type | | Type 1 line | ：VA-9301(1-I)
Select velocity or displacement | | Type 2 line | ：VA-9301(2-I)
Simaltaneous measurement of velocity and displacement |
| | Type 1 line | ：VA-9301A(1-I)
Select acceleration, velocity or displacement | | Type 2 line | ：VA-9301A(2-I)
Simaltaneous measurement of any two of acceleration, velocity or displacement |
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Frequency
range | Low： 5 to 500Hz (-11 to +6%)
Medium：10 to 500Hz (-11 to +6%)
Filter selectable （pass band）| High-pass filter | ：5, 10, 15, 20, 50, 100Hz | | Low-pass filter | ：20, 50, 100, 200, 500Hz |
| 5 to 10kHz (-30 to +6%)
Filter selectable （pass band）| High-pass filter | ：5, 10, 20, 50, 100Hz | | Low-pass filter | ：100, 200, 500, 1k, 5k, 10kHz |
(High-pass filter : 20Hz- in case of displacement
or velocity
Low-pass filter : -500Hz in case of displacement,
-1kHz in case of velocity) |
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Measurement
range | Displacement | 50, 100, 150, 200, 300, 500, 999 (1,000) μmP-P | 100, 150, 200, 300, 500, 999 (1,000) μmP-P |
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| Velocity | 10, 15, 20, 30, 50 mm/s | 10, 15, 20, 30, 50 mm/s |
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| Acceleration | - | 10, 15, 20, 30, 50, 100, 150, 200, 300, 500 m/s2 |
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Equipment
failure | Indication
lamp | Orange LED located on the upper part of amplifier front panel [FAT]
Secondary power is lit at ubnormal condition. |
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Alarm
contact | 1a contact (open at normal condition) operate under fuse melting, power switch shut off and primary / secondary power failure |
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| Alarm reset | Select from automatic or manual recovery |
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Pickup
cable
break
alarm | Indication
lamp | Green LED located on the upper part of amplifier front panel [PU]
Lights-out when wire is broken (lights-on at normal condition)
(When pickup connected with charge amplifier is used, this function is not valid.) |
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Alarm
contact | Standard：1a contact *available 1b or 1c (open at normal condition, closed when wire is broken) operate when pickup cable is broken. |
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| Alarm reset | Select from automatic or manual recovery |
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| Alarm | Alarm step | Type 1 line：upper limit 2 steps Alarm (ALM) / Trip (TRP)
Type 2 line：upper limit 1 step Alarm1 (ALM1,1lline), Alarm2（ALM2, 2line） |
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| Delay timer | Select from 0 to 15 sec. by the slide switch inside of the amplifier unit (0 sec. if not specified.) |
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Setting
extent | 5.0 to 99.9% (can be set at 0.1% intervals)
(When alarm function is not used 99.9% is set. Indication lamp and contact is on at over fullscale value) |
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Indication
lamp | Type 1 line：Orange LED [ALM], red LED [TRP]
Type 2 line：Orange LED [ALM1], red LED [ALM2] |
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Alarm
Contact | Select from “ALM / ALM1 circuit：2a contact TRP / ALM2 circuit 2a contact” or
“ALM / ALM1 circuit：1b1a contact TRP / ALM2 circuit 1a1b contact” |
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| Contact capacity | AC110 V 2 A (DSP Relay made by Panasonic) DC110 V 0.2 A |
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| Alarm reset | Select from automatic (Hysteresis 3%) or manual recovery |
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Rectification
level
output
| DC
output 1 | Select from DC4-20mA (insulation output), Loading 500Ω or less or
DC1-5 V (insulation output), Loading 100kΩ or more |
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DC
output 2 | Select from DC4-20mA (insulation output), Loading 500Ω or less or
DC1-5 V (insulation output), Loading 100kΩ or more |
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Waveform
output | Pickup
waveform
output | AC±10mV /(mm/s) or AC±17.5mV /(mm/s),
Loading 100kΩ or more
(Depending on specifications of pickup) | AC±5mV/(m/s2), Loading 100kΩ or more
(Depending on specifications of pickup) |
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Waveform
output | AC±5V(at the full-scale), Loading 100kΩ or more |
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| Panel meter | Red LED three-digit indication, [9.9.9] is displayed at over 120% of full-scale |
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Operating temperature/
humidity range | 0 to 50 °C, 20 to 95%RH, wet bulb temperature is 35°C (non-condensing) |
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| Power supply | Available range AC85 to 264V, 47 to 66Hz |
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Power
consumption | 20VA or less (1CH), 30VA or less (3CH), 45VA or less (6CH), 60VA or less (9CH), 75VA or less (12CH)
At AC100V (Depends on the number of amplifier or power supply) |
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| Painting color | Munsell 5Y7/1, half matted |
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| Mass | Approx. 2.0kg (1CH), approx. 3.9kg (3CH), approx. 5.9kg (6CH), approx. 8.2kg (9CH),
approx. 10.2kg (12CH) |
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