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사양 / 제품번호
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VM-1220E
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Frequency Range
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1 ~ 90 Hz
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Measuring Range
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30 ~ 120 dB
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Level Range
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20 dB step, 2-range 30~90dB, 50~110dB
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Linearity
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75dB
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Measured Item
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Vibration level Lv, Vibration acceleration level Lva, Max. value Lmax, Min value Lmin, Time rate vibration level(Lx:5-value), Power averaged level(Leq)
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Measuring Time
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1s, 3s, 5s, 10s, 1min, 5min, 10min, 15min, 30min, 1h, 8h, 24hManual (Max. 199h59min59s)
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Bar Display
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Display period 64ms
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Battery Display
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Charge remaining display in 4-step
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Memory Function
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Saves calculated value(800 data approx.)
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Cailbration Signal
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Normal temporary stop function
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AC Output
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Electric calibration by built-in oscillator (31.5Hz sinusoidal wave)Output voltage: 316m rms(F.S.)Output resistance: 600ΩLoad resistance: >100kΩ
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DC Output
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Output voltage: 2.5V(F.S.) 0.25V/10dBOutput resistance: 50ΩLoad resistance: ?100kΩ
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I/O Terminal
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RS-232C
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Power Supply
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4 pcs of AA size battery of AC power supply
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Battery Life Time(continuous using)
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Alkali battery 20hrs approx. Manganese: 10 hrs approx.At back light lighting: 1/3 of normal use
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Ambient Condition
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Temperature Range: -10 ~ +50℃Humidity : 30 ~ 90%(not due condensation)
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Dimensions &Weight
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85W×220H×48Dmm, 380g (with battery)
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