ETCR9400 Zinc Oxide Lightning Arrester Clamp Live Tester

Main Functions

Used for measuring leakage current of Zinc Oxide Lightning Arrester below 35kV, in order to judge whether the performance of the lighting arrester has deteriorated.
Measurement range of leakage current: 0.000mA~300mA
Clamp jaw size: Φ40mm
Wireless transmission distance: 30m
Memory: data storage 200 groups
USB communication interface

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Product Introduction
Technical Parameter
Model comparison
Data download

Product Introduction

ETCR9400 Zinc Oxide Lightning Arrester Clamp Live Tester, also known as Zinc oxide lightning arrester full current tester, zinc oxide lightning arrester leakage current tester, 10kV zinc oxide lightning arrester live tester, which is used for measuring leakage current of zinc oxide lightning arrester below 35kV in order to judge whether the performance of the lighting arrester has deteriorated. Not request to disconnect power and disassemble arrester, operation is safe and efficient. According to Article 9.1 of the Electric Power Industry Standard DL/474.5-2018 Implementation Guidelines for Field Insulation Testing - Lightning Arrester Testing, in order to detect whether the lightning arrester is damp inside and whether the metal oxide resistor is deteriorating during operation, the method of regularly testing the continuous power frequency current during operation can be adopted. Under normal circumstances, the continuous current passing through the lightning arrester is very small. Once the interior is damp, the current can increase to several milliamperes or even tens of milliampere.
Due to the fluctuation of operating voltage, it is difficult to determine an absolute standard to judge whether there is severe dampness. However, it is possible to compare past records with three-phase, If there is a significant difference in leakage current, it must be addressed. The staff can decide whether to maintain and handle the lightning arrester based on the leakage situation tested by this tester, avoiding blind disassembly and testing.
ETCR9400 Zinc Oxide Lightning Arrester Clamp Live Tester is consisted of host, detector and insulating rod. The host and detector adopts wireless communication with 30m communication distance. The host not only can remote control the clamp of tester to open or close for testing, but also display the tested value of current and the situation of 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 strong anti-interference ability and is almost unaffected by external magnetic fields, with 1uA resolution. The detector can be connected to insulating rod for testing zinc oxide lightning arresters on high-voltage line. The instrument can also be used as an ultra high precision clamp leakage current meter. The instrument also has data hold and memory function, equipped with a USB interface, and the stored data can be uploaded to the computer.
1.Not request to disconnect power and disassemble arrester, operation is safe and efficient.
2.The current clamp with strong anti-interference ability, almost unaffected by external magnetic field, microamp level leakage current testing can test 1uA weak current.
3.Adopt with wireless communication method, the host can remote control the clamp of tester to open or close for testing, can check the working condition of the clamp head and read current data.
4.Memory function.
5.USB communication interface.

Technical Parameter

1.Measure Leakage Current

Range	Solution	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 Measurement (Basic wave current, 3rd high order harmonic current)

Min. basic wave input current	More than 3% of each range
Accuracy	1%rdg±8dgt (±AC current accuracy)

3.General Specifications

Power Supply	Host: DC 7.4V 2000mAh rechargeable lithium battery, full charged voltage of battery is about 8.4V. Detector: DC 7.4V 2600mAh rechargeable lithium battery, full charged voltage of battery is about 8.4V.
Display Mode	3.5 inch true-color screen; display area: 71mm×53mm
Measurement Method	Clamp type CT
Clamp Jaw Size	Φ40mm
Measurement Range	AC 0.000mA~300mA (True RMS)
Max. Solution	1uA
Measurement Accuracy	±1%rdg±8dgt (23℃±5℃, below 80%RH)
Wireless Communication Method	433MHz wireless communication
Wireless Transmission Distance	30m
Tester Size	Host: 195mm×100mm×45mm; Detector: 208mm×131mm×90mm
Weight	Host: about 400g; detector: about 1220g; total weight: about 7000g (include insulating rod and accessory)
Sampling Rate	2 times/second
Memory	200 groups, "HOLD" symbol prompts during the procedure of store.
Data Hold	In test mode, press the HOLD key to hold and store the data. "HOLD" symbol display, and then press the HOLD key to cancel.
Data Access	"READ" symbol indicates that the stored data can be viewed.
Overflow Display	Overrange overflow function: "OL" symbol display
No Signal Indication	When the host receiver does not receive a signal from the detector, it cannot display the current status of the detector.
Automatic Shutdown	The tester will shutdown automatically to reduce battery consumption after 10 minutes of startup.
Battery Voltage	When battery voltage is lower than 7.8V, low battery voltage symbol displays to remind the tester need to be charged.
Consumption	Host: 30mA (standby); 100mA (working); receiver: 100mA
Line Voltage	Below 35kV
Interference	No 433MHz same frequency signal interference.
Telescopic Insulating Rod	4 PCS touch-tone telescopic insulating rod (extension state 5m, contraction state 1.5m, outer diameter φ44mm)
Insulation Strength	Single section insulating pole AC110kV/rms, Between the shell of the high voltage detector and the iron core: AC1000V/rms
Working Temperature & Humidity	-20℃~40℃; below 80%Rh
Store Temperature & Humidity	-20℃~60℃; below 70%Rh

Model comparison

Data download

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ETCR9400 Zinc Oxide Lightning Arrester Clamp Live Tester

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