GDYZ-302W Metal Oxide Arrester (MOA) Tester
Features
1)?Leakage current, AC current
?
|
Range |
Resolution |
Accuracy |
|
0.000mA～1mA |
1uA |
±1%rdg±8dgt |
|
1.00mA～10.00mA |
0.01mA |
|
|
10.0mA～100.0mA |
0.1mA |
|
|
100mA～300mA |
1mA |
?
2)?High-order harmonic current (fundamental wave current, third harmonic current)
?
|
Minimum fundamental wave input current |
Above 3% of each range |
|
Accuracy |
1%rdg±8dgt?(± AC current accuracy) |
Specification
|
Function |
By testing the full current of the zinc oxide arrester, it can be judged online whether the zinc oxide arrester is deteriorated, and it can also be used as an ultra-precision clamp-on leakage current meter. |
|
Power supply |
Host: DC 7.4V 2000mAh rechargeable lithium battery, the battery is about 8.4V?fully chargedDetector: DC 7.4V 2600mAh rechargeable lithium battery, the battery is about 8.4V fully charged |
|
Testing method |
Clamp-on CT |
|
Measurement range |
AC 0.000mA～300mA (True effective value) |
|
Max. resolution |
1μA |
|
Measurement accuracy |
±1%rdg±8dgt (23℃±5℃, below 80%RH) |
|
Wireless communication |
433MHz wireless communication |
|
Wireless transmission distance |
30m |
|
Display mode |
3.5-inch color screen; display area: 71mm×53mm |
|
Instrument size |
Host: 195mm×100mm×45mm;Detector: 208mm×131mm×90mm |
|
Instrument weight |
Host: about 400g; detector: about 1220g,Total:?about 7000g (including insulating rods and accessories) |
|
Clamp size |
φ40mm |
|
Sampling rate |
2 times/s |
|
Date storage |
200 groups, "HOLD" symbol indicates during storage. |
|
Data hold |
In the test mode, press the HOLD key to keep the data and store the data, the "HOLD" symbol is displayed, and then press the HOLD key to cancel. |
|
Checking data |
"READ" symbol indicates that the stored data can be flipped up and down. |
|
Overflow |
“OL”?shows overflow the testing range. |
|
No signal |
When the host receiver does not receive the detector signal, the current status of the detector cannot be displayed. |
|
Auto off |
The instrument will turn off automatically after 10min to save the battery. |
|
Battery voltage |
When the battery voltage is below 7.8V, ????shows that it is time to change the battery. |
|
Line voltage |
35kV and below |
|
Environment temperature and humidity |
-20℃～40℃;?below 80%Rh |
|
Storage |
-20℃～60℃; below 70%Rh |
|
Interference |
No 433MHz?frequency signal interference |
|
Insulating rod size |
4-section push-button telescopic insulating rod (extended state 5m, closed state 1.5m, outer diameter φ44mm) |
|
Insulation strength |
Single insulating rod AC110kV/rms, the shell of the HV detector?between the iron core:?AC1000V/rms |
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