GDBL-V (S) Handheld Zinc Oxide Surge Arrester Tester

GDBL-V (S) Handheld Zinc Oxide Surge Arrester Tester

GDBL-V (S) Handheld Zinc Oxide Surge Arrester TesterUsed for measuring and analyzing the leakage current of zinc oxide lightning arresters. It is mainly used to measure full current and resistive current, in order to analyze the degree of aging and moisture absorption of zinc oxide lightning arresters.This instrument is suitable for on-site live detection of zinc oxide lightning arresters of various voltage levels, as well as factory and acceptance tests conducted in the laboratory under power outage conditions.

1Main Features

l Adopting a high brightness 7-inch color LCD screen, the display is clear and the human-machine interface is friendlyVisible under sunlight.

l Provide two methods for transmitting reference voltage: wired and wireless. PT secondary voltage with 3-phase, single-phase, or B-phase grounding can be used.

l The instrument adopts high-precision sampling and processing circuits, advanced Fourier harmonic analysis technology, and high-precision sensors to directly collect input voltage and current signals, making the data more reliable.

l Support maintenance of 220V power supply voltage as a reference.

l Support electric field strength signal as a reference (induction plate method).

l The instrument voltage testing line is equipped with a self recovery fuse to prevent short circuits caused by misoperation, and the voltage and current plugs have anti insertion functions.

l Built in large capacity non-volatile memory, capable of storing 512 sets of data.

l Built in high-speed micro thermal printer, capable of printing measurement data.

l Built in high-precision clock, real-time display of time.

l It has USB storage function.

l Large capacity lithium battery, capable of continuous operation for 8 hours on a single charge.

IItechnical indicators

1. Reference voltage measurement

Reference voltage input range: 25V to 300V effective value, 50Hz/60Hz

Accuracy of reference voltage measurement: ± (reading x 5%+0.5V)

Accuracy of voltage harmonic measurement: ± (reading x 10%)

Reference voltage channel input resistance: ≥ 1500k Ω

2 Current measurement

Full current measurement range: 0.1-10mA effective value, 50Hz/60Hz

Accuracy: ± (reading x 5%+5uA)

Accuracy of fundamental measurement of resistive current: ± (reading × 5%+5uA)

Accuracy of current harmonic measurement: ± (reading x 10%+10uA)

Current channel input resistance: ≤ 2 Ω

3. Measurement of electric field strength

Electric field strength input range: 30kV/m to 300kV/m

Accuracy of electric field strength measurement: ± (reading x 10%)

Accuracy of electric field harmonic measurement: ± (reading x 10%)

4Working power supply: built-in lithium battery or external charger, charger input 100-240VAC, 50Hz/60Hz

5Battery working time: 8 hours for the host and 8 hours for the voltage collector

6Operating temperature: -10 ℃ to 50 ℃

7Relative humidity:<90%, no condensation

8Host size: 230mm in length, 70mm in width, and 155mm in height