“KUSAM-MECO”
AN ISO 9001:2015 COMPANY
“KUSAM-MECO”
AN ISO 9001:2015 COMPANY
ELECTRICAL SPECIFICATIONS :
True RMS voltage & current accuracies are specified from 10 %
to 100 % of range or otherwise specified. Maximum Crest Factor
< 3:1 at full scale & < 6:1 at half scale, and with frequency
components within the specified frequency bandwidth for non-
sinusoidal waveforms.
Accuracy is (% reading digits + number of digits) or otherwise
o
o
specified, at 23 C
5 C & less than 75% relative humidity.
±
AC & AC+ DC VOLTAGE
FUNCTION
RANGE
ACCURACY
50Hz ~ 60Hz
mV
V
60.00mV, 600.0mV
9.999V, 99.99V, 999.9V
0.5% + 3d
40Hz ~ 500Hz
mV
V
60.00mV, 600.0mV
9.999V, 99.99V
999.9V
0.8% + 4d
1.0% + 4d
2.0% + 4d
500Hz ~ 1kHz
mV
V
60.00mV, 600.0mV
9.999V, 99.99V
999.9V
2.0% + 3d
1.0% + 4d
2.0% + 4d
1kHz ~ 3kHz
mV
V
60.00mV, 600.0mV
9.999V, 99.99V, 999.9V
2% + 3d
3.0% + 4d
3kHz ~ 20kHz
mV
V
1)
1)
60.00mV , 600.0mV
9.999V, 99.99V
2% + 3d
3dB
999.9V
Unspec’d
7
1)
Specificied from 30% to 100% of range.
>60dB @ DC to 60Hz, Rs=1k
CMRR :
W
Input Impedance : 10M , 50pF nominal (80pF nominal for
W
600mV range)
Residual reading less than 5 digits with test leads shorted.
TM
AUTOCHECK
(ACV)
1)
RANGE
ACCURACY
50Hz ~ 60Hz
9.999V, 99.99V, 999.9V
1.0% + 4d
Lo-Z ACV Threshold : > 3VAC (50/60Hz) nominal
Lo-Z ACV Input Impedance : Initially approx. 3.0k , 150pF
W
nominal; Impedance increases
abruptly within a fraction of a
second as display voltage is
above 50V (typical). Ended up
impedances vs display voltages
typically are:
18k @ 100V 125k @ 300V
W
W
320k @ 600V 460k @ 1000V
W
W
8
