Zhongyi CA103, User Manual

Page: 33 / 35

CA103&CA102S Handy Multi-functions Calibrator Operating Instruction
32
9.2 CA103 measurement unit range and accuracy
Accuracy =± (% of s u
V, mV, uA, Ω
、℃
, dgt) at 23±5
℃
parameter Range Source Range Accuracy
Setting
Resolution
Remarks
DCV
measurement
100mV
-99.999
～
+99.999mV
±(0.03%+50μV) 10μV
Input resistance:
1000kΩ or
greater
30V
-30.000
～
+30.000V
±(0.03%+5mV) 1mV
DCmA
measurement
30mA
-30.000
～
+30.000mA
±(0.03%+4μA) 1μA
Input resistance:
Approx.25Ω
Pulse
measurement
5kHz
0.0
～
5000.0Hz
±(0.1%+2dgt) 0.1Hz
Maximum
input:30V
Sensitivity:
Approx.0.5Vpp
TC
input
K
E
J
T
N
We3-
25
-50.0
～
1372.0
℃
-50.0
～
1000.0
℃
-50.0
～
1200.0
℃
-50.0
～
400.0
℃
-50.0
～
1300.0
℃
-50.0
～
2300.0
℃
±(0.03%+1.5
℃
)≥100.0
℃
±(0.03%+2
℃
)≤100.0
℃
0.1
℃
R
S
B
-50.0
～
1768.0
℃
-50.0
～
1768.0
℃
-50.0
～
1820.0
℃
±(0.05%+2
℃
)≥600.0
℃
±(0.05%+3
℃
)≤600.0
℃
RTD input
Cu50
PT100
-50.0
～
150.0
-200.0
～
850.0
℃
±(0.03%+0.3
℃
) 0.1
℃
Supports two or
three-wire RTD
measurement
1)
Temperature coefficient: When in the ranges o
f
0≤T≤18℃
and
28<T≤40
℃,
add the accuracy shown above ×
(1/10)/
℃.
2)
The above accuracy ranges are for values obtained when the
instrument has been left for two hours after charging ends (or is
stopped).
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