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[China]
Nov 25, 2011
Grounding Yin Xiaxian on-tester
type grounding lead downlines conductivity measuring instrument
Brief introduction
HRJDT type electric equipment grounding lead downlines conduction resistance measurement instrument overcame similar instrument exists test method trival, high strength, low precision work a series of defects. The apparatus adopts dc constant-current power supply, with large current, four-wire method of measuring principle effectively exclude the test line resistance of test results can be obtained .....
[China]
Nov 25, 2011
Geodetic network ground resistance tester
Anti-interference Detector of Grounding Resistance for Earthing Grid
It applies the controlling, sampling, data processing of microcomputer and displays by the large screen of liquid crystal. Testing the large erathing grid of power plant and substation by the abnormal frequency keeps high accuracy and stabilized performance; and efficiently resolves the industrial frequency current-interference. With only 1~3A testing current and 4kg weight, it greatly eases the labour intensity during .....
[China]
Nov 25, 2011
Two-Qiankou ground resistance tester
Multifunctional Tester for Grounding Resistance with Double Jaw
Technical characteristics:
1. In any grounding occasions, it can carry out the test normally by using double-measuring method: non-contacting and accessing piles. No matter the amount of grounding point is multiple or single.
2. Online measuring is available. It can test the electric equipment under its working condition without cutting from the grounding part.
3. The capacity of anti-interference is strong. .....
[China]
Nov 25, 2011
Arrester discharge counter detector
type lightning arrester discharge counter action verification
Principle
Figure 1 shows the principle for the principle of action visitor counter type JS hookup. Figure 1 (a) for JS type action visitor counter the basic structure, the so-called double valve chip structure. When lightning arrester action, discharge current flow through valve slice R1, the pressure drop in R1 by valve slice R2 give capacitor C charging, then C again to assolenoid style of inductance coil L discharge .....
[China]
Nov 25, 2011
MOA DC-test parameters
Lightning Arrester Teste
Functions, features:
It is used to test internal defects caused by the poor contact between the non-linear resistors of zero clearance metal arrester which is used by 10KV or under 10KV power system (replace the partial discharge detector within limits). It combines high-voltage DC power system, measurement system and control system together while it is of small size and light weight; it is very practical and can complete measurement of all the subjects at a .....
[China]
Nov 25, 2011
MOA of Tester
type Fast Zinc Oxide Tester of Lightning Arrester
It tests the alternating leakage current or sustained current under the operating tension of various classes of voltage zinc oxide lightning arrester, and the frequency reference voltage under the frequency reference current.
Main features:
It can be used in live-line tests and laboratory power cut off tests.
It can display voltage/current waveform and harmonic number.
The inner memory makes it very convenient to check .....
[China]
Nov 25, 2011
High-voltage power low-voltage switchgear test bed
type high-low voltage switchgear electrify test-bed instructions
HRGKT - I type high-low voltage switchgear electrify test-bed for high and low voltage switchgear producers to produces the high and low voltage switchgear before they leave the factory of various electrify test. It can provide all kinds of ac, dc power, and is convenient for the test to check switch equipment is normal or not, improve work efficiency.
1) Technical parameters:
The input power: the three-phase .....
[China]
Nov 25, 2011
Mobile SF6 gas recovery inflatable device
type SF6 gas recovery mobile charging device
Function and use
SF6 gas recovery device USES: HRLH1-10Y - 10-30~3000 type SF6 gas recovery inflatable mobile device is mainly used in power plants, conversion engineering company, ehv transmission substation station, SF6 electric switch factory and other departments. Used for SF6 electrical products in installation, debugging and maintenance of auxiliary equipment, can use the above products vacuum, inflatable, recovery purification SF6 .....
[China]
Nov 25, 2011
High-precision SF6 gas leak detectors
Type High Degree of Accuracy SF6 Leak Detector
The instrument is the patented product as the transformation from the achievements in scientific research. It is the best SF6 leak detector equipment in China. The equipment is endowed with the strengths from Germany and Japan’s experience and overcomes weaknesses. This instrument can be applied to the leak hunting of the SF6 switches in the power supply department, the SF6 high voltage switch gear factory and the electric testing and .....
[China]
Nov 25, 2011
Digital SF6 trace moisture tester
Type Minim Water Admeasuring Apparatus
Brief introduction:
The HRDWS-IIC Digital High Precision SF6 Minim Water Admeasuring Apparatus is the new type instrument with a high degree of automatic which belongs to the HRDWS-Ⅱseries. It is made by adopting modern advanced digital measuring technique and optimal gas circuit with producing experience for many years. It has much improved the reliability of instrument and the convenience of usage.
This instrument can be used .....
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