— 21 —
400.0 mV
4.000 V
40.00 V
400.0 V
600 V
Range
Accuracy
Input Resistance
Remarks
±(0.5 %rdg+2dgt)
±(0.9 %rdg+2dgt)
Approx. 100 M
1
Approx. 11 M
1
Approx. 10 M
1
8-2 Measuring Range and Accuracy
Temperature: 23±5 ˚C, humidity: 80 % RH max. (no condensation),
voltage 2.4 V or above.
rdg (reading): Read value, dgt (digit): Number of counts of last digit
DCV
ACV
4.000 V
40.00 V
400.0 V
600 V
Range
Accuracy
Input Resistance
Remarks
±(1.2 %rdg+7dgt)
Approx. 11 M
1
Approx. 10 M
1
・
Frequency range: 40 Hz ~ 400 Hz
(sinusoidal wave)
・
If the frequency is above 1 kHz,
measurement is not possible.
・
If may malfunction when
measuring voltage in the inverter
circuit.
Resistance
400.0
1
4.000 k
1
40.00 k
1
400.0 k
1
4.000 M
1
40.00 M
1
s
k
r
a
m
e
R
y
c
a
r
u
c
c
A
e
g
n
a
R
±(1.2 %rdg+5dgt)
±(2.0 %rdg+3dgt)
±(3.0 %rdg+3dgt)
・
Open circuit voltage: Approx. 0.4 VDC
・
The measuring current varies depending on
resistance of resistors to measure.
Diode test
Open circuit voltage: Approx. 1.5 VDC
Continuity check
Continuity buzzer sound range: 0
1
~ 85
1
(±45
1
)
Open circuit voltage: Approx. 0.4 VDC
Summary of Contents for CD770
Page 1: ...CD770 DIGITAL MULTIMETER 取扱説明書 INSTRUCTION MANUAL ...
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Page 26: ...MEMO ...
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Page 29: ...CD770 DIGITAL MULTIMETER INSTRUCTION MANUAL ...
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