YearBrandModel±countslog2(counts×2)%SPSSΩ
19xxDM-3022000120.7+21-
2004?Conrad/优利德VC820/UT604000130.8+131400/4000 µA: 100.27
40/400 mA: 1.42
4/20 A: 0.036
V: 10 M
2011HP Agilent KeysightU1253B5000016½0.025+51
7, 14
1000
2
500/5000 µA: 101.06
50/500 mA: 2.16
5/10 A: 0.036
V: 10 M
SDM3045X6000015,9
2017鼎阳科技SDM30558388608
240000
24000
24
19
16
0.015+7 
5
50/150
100002 µA/mA: 1.28
20/200 mA: 1.15
2/10 A: 0.029
V: 10 M
SDM3065X2200000
220000
22000
22
19
16
0.0035+?.5/5/50
100
1000/10000
10000