MCH Instruments Co., Ltd.


Product Detailed

dual-needle Millivoltmeter,model MVT-172,5Hz-1Mhz frequency

MVT-172: MillivoltmeterComplete Japanese technologies and imported component assembly ensure minimum accuracy deviation.



Measurement scopeVoltage: 1mV to 300V with 12 ranges
              1mV, 3mV, 10mV, 30mV, 100mV, 300mV
dB:    -80 to +50dB
dBm: -80 to +52dBm 
         (0dBm=1mV, 600Ω)
Measurement mode
ErrorMeasurement below 1KHz: within 3% of full scale
Frequency response5Hz to 1MHz: +/-10%
10Hz to 500KHz: +/-5%
20Hz to 200KHz: +/-3%
30Hz to 100KHz: +/-2%
with 1KHz readout as reference point
Input impedance10MΩ+/-5%, shunt capacitance less than 45pF
Maximum input voltage500V (DC+AC peak value): LV to 300V range
100V (DC+AC peak value): LmV to 300mV range
StabilityInfluence resulted from change of 10% power supply voltage is +/-5% of full scale.
Survival voltageIn 1mV range, less than 200uV when the input end is short-circuited.
Cross talk
≤80dB when one end is connected with a 600Ω load.
≤50dB when one end is connected with a 600Ω load.
Output voltage1Vrms +/-20% when in full scale
Output resistance distortion600Ω +/-20% at 1KHz less than 1% for full scale
Signal to noise ratioOver 30dB in 0.3mV range
Frequency response5Hz to 500KHz: within +/-3%
Nominal operation
10ºC to 35ºC/within 85%RH
Power supply220V/110V +/-10%; 50Hz/60Hz
Dimensions128(W) x 190(H) x 239(D) mm

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