This instrument is controlled by an intelligent microcontroller chip, with high precision, high reliability and high stability; AUTO RAMP function enables simultaneously testing action time and action current of fault; according to LCD icon prompts, there is an instruction to check whether the wiring is correct; after test is completed, the measurement results are automatically displayed; there are 0 ° and 180 ° phase options, which can detect quickest trigger time; "OL" is displayed for over range; the instrument is equipped with FUSE safety protection and CAT III 300V safety level.
1.1 Measurement range and measurement error (temperature:
23 + 5 ℃;Humidity:45%~75% RH; altitude≤2000m:）
| Functions |
Operation voltage (AC) |
Rated operating current（L△n) |
Fault action time(MAX) |
Accuracy |
| Action current |
Action time |
| X1/2 |
230V(Error range：-15%~+10%）
Frequency：50Hz
|
10/20/30/100/300/500mA |
1000ms |
Error range:-10%~+10% |
+0.6% rdg +8dgt |
| X1 |
10/20/30/100/300mA |
1000ms |
Error range:-10%~+10% |
| 500mA |
300ms |
| X5 |
10/20/30mA |
1000ms |
| AUTO RAMP test |
10/20/30/100/300/500mA |
(RAMPIncreasing step10%)
L△n20%~110% |
Error range:-10%~+10% |
