Máy đo điện trở AMPTEC 620ES failsafe ohmmeter
Range, Resolution, Accuracy, & Current Levels
| Range |
2 Ω |
20 Ω |
200 Ω |
200K Ω |
| Nominal Current |
5 mA |
5 mA |
50 uA |
.5 uA |
| Failsafe Current |
8 mA |
8 mA |
8 mA |
8 mA |
| Resolution |
100 uΩ |
1 mΩ |
10 mΩ |
10 Ω |
| Accuracy |
± .02% of reading & ± .05% of range |
± .02% of reading & range |
± .02% of reading & range |
± .02% of reading & of range |
General Specifications
| Display |
4 1/2 digit LED |
Terminals |
Banana jack binding posts |
| Storage Temperature Range |
-20° to 70° C |
Operating Temperature Range |
0° to 50° C |
| Dimensions |
9.75″ x 10″ x 3.25″ |
Weight |
3.5 lbs. |
| Power |
4 ea rechargeable 5AHr NICAD batteries |
Max. Input Voltage |
250 VDC |
| Open Circuit |
1.6 VDC |
Max. Internal Voltage |
4.8 VDC |
| Update |
3 readings/second |
Temperature Coefficient |
± .002% per 1° C |