Uncertainty Indicators - East Tester ET3260 User Manual

Users manual
AC filter bandwidth:
Slow: 3Hz-10 kHz;
Mid: 20Hz-10kHz;
Fast: 200Hz-10kHz;
Maximum crest factor (CF): 5:1, in case of full scale;
Additional CF error (<100 Hz)：CF 1-2，0.05% of the full scale;

6.3.2 Uncertainty indicators

Accuracy is expressed by ± (% measurement value + % measurement range) [1]
Function Measuremen
t range [2]
DC
voltage
100 mV
1 V
10V
100V
750 V
AC 100uA
current
1 mA
10 mA
100 mA
1 A
12A
ET3260 and ET3260A
DC coupling to fuses and shunt (no blocking capacitor);
CF 2～3，0.2% of the full scale;
CF 3～4，0.4% of the full scale；
CF 4～5，0.5% of the full scale.
Resolution Frequency
3Hz~5Hz
5Hz~10Hz
10Hz~20kHz
100 nV
20kHz ~50kHz
50kHz~100kHz
100k~300kHz[3]
3Hz~5Hz
5Hz~10Hz
1uV
10Hz~20kHz
10uV
100uV
20kHz ~50kHz
1mV
50k~100kHz[4]
100k~300kHz[3]
3Hz～5 Hz
100 pA
5Hz～10 Hz
10Hz～5 kHz
5kHz～10 kHz
3Hz～5 Hz
1 nA
5Hz～10 Hz
10Hz～5 kHz
5kHz～10 kHz
3Hz～5 Hz
10 nA
5Hz～10 Hz
10Hz～5 kHz
5kHz～10 kHz
3Hz～5 Hz
100 nA
5Hz～10 Hz
10Hz～5 kHz
5kHz～10 kHz
3Hz～5 Hz
1 μA
5Hz～10 Hz
10Hz～5 kHz
5kHz～10 kHz
3Hz～5 Hz
10 μA
5Hz～10 Hz
10Hz～5 kHz
6 1/2 Digit Multimeter
24-hour [5] 90
(23±1℃) days(23±5℃)
1.00+0.03 1.00+0.04
0.35+0.03 0.35+0.04
0.04+0.03 0.05+0.04
0.10+0.05 0.11+0.05
0.55+0.08 0.60+0.08
4.00+0.50 4.00+0.50
1.00+0.02 1.00+0.03
0.35+0.02 0.35+0.03
0.04+0.02 0.05+0.03
0.10+0.04 0.11+0.05
0.55+0.08 0.60+0.08
4.00+0.50 4.00+0.50
1.0 + 0.04 1.0 + 0.04
0.3 + 0.04 0.3 + 0.04
0.1 + 0.04 0.1 + 0.04
0.3 + 0.04 0.3 + 0.04
0.1 + 0.04 0.1 + 0.04
0.3 + 0.04 0.3 + 0.04
0.1 + 0.04 0.1 + 0.04
0.3 + 0.04 0.3 + 0.04
1.1 + 0.06 1.1 + 0.06
0.35 + 0.06 0.35 + 0.06
0.15 + 0.06 0.15 + 0.06
0.3 + 0.04 0.3 + 0.04
1.0 + 0.04 1.0 + 0.04
0.3 + 0.04 0.3 + 0.04
0.1 + 0.04 0.1 + 0.04
0.3 + 0.04 0.3 + 0.04
1.0 + 0.04 1.0 + 0.04
0.3 + 0.04 0.3 + 0.04
0.1 + 0.04 0.1 + 0.04
0.3 + 0.04 0.3 + 0.04
1.1 + 0.06 1.1 + 0.06
0.35 + 0.06 0.35 + 0.06
0.15 + 0.06 0.15 + 0.06
49
1 year Temperature
(23±5℃) coefficient
0°-18°/28-55
1.00+0.04 0.100 + 0.004
0.35+0.03 0.035+ 0.004
0.06+0.04 0.005+ 0.004
0.12+0.05 0.011+ 0.005
0.60+0.08 0.060+ 0.008
4.00+0.50 0.20 + 0.02
1.00+0.03 0.100 + 0.003
0.35+0.03 0.035+ 0.003
0.06+0.03 0.005+ 0.003
0.12+0.05 0.011+ 0.005
0.60+0.08 0.060+ 0.008
4.00+0.50 0.20 + 0.02
1.0 + 0.04 0.100 + 0.006
0.3 + 0.04 0.035 + 0.006
0.1+ 0.04 0.015 + 0.006
0.3+ 0.04 0.015 + 0.006
0.1+ 0.04 0.100 + 0.006
0.3 + 0.04 0.035 + 0.006
0.1+ 0.04 0.015 + 0.006
0.3+ 0.04 0.015 + 0.006
1.1 + 0.06 0.200 + 0.006
0.35 + 0.06 0.100 + 0.006
0.15 + 0.06 0.015 + 0.006
0.3+ 0.04 0.015 + 0.006
1.0 + 0.04 0.100 + 0.006
0.3 + 0.04 0.035 + 0.006
0.1 + 0.04 0.015 + 0.006
0.3+ 0.04 0.015 + 0.006
1.0 + 0.04 0.100 + 0.006
0.3 + 0.04 0.035 + 0.006
0.1 + 0.04 0.015 + 0.006
0.3+ 0.04 0.015 + 0.006
1.1 + 0.06 0.100 + 0.006
0.35 + 0.06 0.350 + 0.006
0.15 + 0.06 0.015 + 0.006