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Users manual
6.2 Uncertainty Indicators
Accuracy is expressed by ± (ppm measurement value + ppm measurement range) [1]
Function
Measurement
range [2]
DC voltage
100 mV
1 V
10 V
100 V
1000 V
DC current
10uA
100uA
1mA
10mA
100mA
1A
12A
Resistance[4]
10Ω
100Ω
1kΩ
10kΩ
100kΩ
1MΩ
10MΩ
100MΩ
1GΩ
Diode
1V
10V
On-off test
1kΩ
Ratio
100mV-1000V
measurement
DCV:DCV
[1] Pre-heat for 60 minutes, and integral time is set as 100PLC.
[2] Except for DCV 1000V shift and DCI 12A shift, other measurement ranges can have 20% of
over measurement range measurement.
[3] Relative to calibration standard.
[4] This indicator is suitable for 4-wire resistance measurement or 2-wire resistance
measurement under relative mode.
[5] This indicator is suitable when the digit is displayed as 6 1/2.
ET1260B and ET1260A
Resolution
Test current, load
[5]
voltage, etc.
100 nV
10MΩ or>10 GΩ
1 uV
10MΩ or>10 GΩ
10 uV
10MΩ or>10 GΩ
100 uV
10 MΩ ± 1%
1 mV
10 MΩ ± 1%
10pA
< 140mV
100pA
< 140mV
1nA
< 160mV
10nA
< 160mV
100nA
< 400mV
1uA
< 60mV
10uA
< 600mV
10uΩ
10mA
100uΩ
1mA
1mΩ
1mA
10mΩ
100uA
100mΩ
50uA
1Ω
5uA
10Ω
0.5uA
100Ω
0.5uA||10MΩ
1kΩ
0.5uA||10MΩ
10uV
1mA
100uV
1mA
0.1Ω
1mA
Input terminal indicator + reference terminal indicator
6 1/2 Digit Multimeter
24-hour [3]
90
(23±1℃)
days(23±5
℃)
30+30
40+35
20+6
30+7
15+4
20+5
20+6
35+6
20+6
35+6
100+200
400+250
100+200
400+250
70+60
300+60
70+200
300+200
100+40
300+50
500+60
800+100
1000+200
1200+200
30+30
80+40
30+30
80+40
20+5
70+10
20+5
70+10
20+5
70+10
20+10
100+10
100+10
300+10
2000+100
6000+100
20000+100
60000+100
20+100
80+200
20+100
80+200
20+100
80+200
47
1
year
Temperature
(23±5℃)
coefficient
0°-18°/28-55°
50+35
5+5
40+7
5+1
35+5
5+1
40+6
5+1
40+6
5+1
500+250
20+30
500+250
20+30
500+60
20+5
500+200
20+20
500+50
20+5
500+200
1000+1
1500+200
50+20
100+40
6+5
100+40
6+5
100+10
6+1
100+10
6+1
100+10
6+1
120+10
10+2
400+20
30+4
8000+100
1000+10
80000+100
10000+10
100+200
10+20
100+200
10+20
100+200
10+20
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