| 
 型號(hào)  | 
 測(cè)量范圍  | 
 內(nèi)阻或壓降  | 
 刻度分格  | 
| 
 C31-UA  | 
 0-10μA 
0-20μA 
0-50μA 
100/200/500/1000μA 
150/300/750/1500μA  | 
 R≈10KΩ 
R≈2。6KΩ 
R≈600Ω 
R:1200-1100-560-300Ω 
R:933-633-292-153Ω  | 
 100 
100 
100 
100 
150  | 
| 
 C31-mA  | 
 1.5/3/7.5/15mA 
5/10/20/50mA 
100/200/500/1000mA  | 
 U:10-20mV 
U:12-28mV 
U:45mV  | 
 150 
100 
100  | 
| 
 C31-A  | 
 7.5/15/30/75/150/300/ 
750mA/1.5/3/7.5/15/30A 
2/5/10/20A  | 
 U:27-45mV 
  
U≈45mV  | 
 150 
  
100  |