Kusam-meco KM 111M, Operation Manual

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Accuracy  is  ± (% reading   number  of  digits)  or  otherwise 

specified, at 23°C ± 5°C & less than 75% R.H.

DC VOLTAGE

Range

Resolution

Accuracy

400.0  mV

4.000     V

40.00     V

400.0     V

600        V

100.0  

m

V

1        mV

10      mV

100    mV

1           V

± (0.3% rdg + 4 dgts)

± (0.5% rdg + 3 dgts)

± (0.5% rdg + 3 dgts)

± (0.5% rdg + 3 dgts)
± (1.0% rdg + 4 dgts)

NMRR :

 >50dB @ 50/60Hz

CMRR :

 >120dB @ DC, 50/60Hz, Rs = 1k

W

Input Impedance :

 10M

W

, 30pF nominal (1000M

W

 for 400.0mV range)

AC VOLTAGE (50Hz ~ 500Hz)

Range

Resolution

Accuracy

4.000     V

40.00     V

400.0     V

600        V

1        mV

10      mV

100    mV

1           V

± (1.5% rdg + 5 dgts)

± (2.0% rdg + 5 dgts)

CMRR :

 >60dB @ DC to 60Hz, Rs = 1k

W

Input Impedance :

 10M

W

, 30pF nominal 

± (1.5% rdg + 5 dgts)

± (1.5% rdg + 5 dgts)

True  RMS  accuracy  of  ACV is specified from 5% to 100% of range, &

ACA  is  specified  from  10%  to  100%  of  range,  or  otherwise  specified.

Maximum  Crest  Factor  <1.75  :  1  at  full  scale  &  <3.5  :  1  at  half  scale,

and  with  frequency  spectrums,  besides  fundamentals,  fall  within  the 

meter specified AC bandwidth for non-sinusoidal waveforms.