| 
 儀表型號  | 
 測量范圍  | 
 刻度分格  | 
 內阻或電壓降  | 
| 
 C41-μA  | 
 0-20μA 
0-50μA 
0-75μA 
0-100-200-500-1000μA 
0-150-300-750-1500μA  | 
 100 
100 
150 
100 
150  | 
 R≈4.5KΩ 
R≈650Ω 
R≈300Ω 
R≈1200/1100/560/300Ω 
R≈1250/860/400/210Ω  | 
| 
 C41-mA  | 
 0-5-10-20-50mA 
0-100-200-500-1000mA  | 
 100 
100  | 
 U≈38.5~44.5mV 
U≈45mV  | 
| 
 C41-A  | 
 0-2-5-10-20A 
0-1.5-3-7.5-15-30A  | 
 100 
150  | 
 U≈45mV 
U≈45mV  | 
| 
 C41-mA.A  | 
 0-1.5-3-7.5-15-30-75-150- 
300-750mA-1.5-3-7.5-15A  | 
   
150  | 
   
U≈23~45mV  |