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GDYZ-302W Metal Oxide Arrester (MOA) Tester

GDYZ-302W Metal Oxide Arrester (MOA) Tester

Brief Description:

GDYZ-302W Metal Oxide Arrester Tester is is composed of a host, a detector, and an insulating rod. The host and the detector adopt wireless communication, the communication distance is 30 meters, the host can remotely open or close the clamp head of the detector to complete the test process, and the host can display the current test value and the status of the clamp head in real time. The detector uses a micro motor to drive the opening or closing of the clamp head. The clamp head is made of high-performance permalloy, which has super anti-interference ability and is hardly affected by external magnetic fields. The resolution is as high as 1uA. The detector can be connected to an insulating rod for testing of zinc oxide surge arresters on high-voltage lines. The meter can also be used as an ultra-high-precision clamp-on leakage current meter.


Product Detail

Product Tags

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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