Used for the preventive experiments for power organizations varied high voltage electric apparatus devices , including experiments of D.C durability of voltage in cables , current leak of the....
China, Wuhan GuoDian HuaRui Power Test Technology Co., Ltd. whose preexistence is GuoDian Wuhan High-voltage Testing Research Institute, has combined the essence of institutional reform and....
Current amplifier which thermally stabilizes electrical devices is a kind of current source for testing use. For example, it can be used as low-voltage super-current source in motion stability test....
Introduction: It is a kind of contact ratio autotransformer which can adjust load voltage within rated voltage. This series of products are well designed because they adopt UK imported A brush for....
Technical parameter: HRYDJ W series are made of high-quality materials, which contribute to its low losses, small volume, little weight, compact construction and convenience. It is widely used in....
Technological characteristics: It is a new generation invented on the basis of HRZJ1 and HRZJ2 type. 1. It is possible to find out one-point or multi-point abort situation without installation, ....
This kind of vacuum oil-filter has combined original design, compact structure, light and flexible features, low power consumption, high effect, and convenient operation together. Besides, adding....
With easy-operation and stable performance features, it has every normal tests for relays, and both alternating and direct current power adopt the newly power technology. The key technical indexes: ....
1. Column compartment temperature room temperature + 15 ^ 350 controlling temperature range: 0.1^ 0.2 2. Testing room temperature: room temperature+ 30 ^ 350 , controlling temperature....
They are divided into two types: automatic and full automatic, in keeping with Insulation oil automatic dielectric strength testing method . They are portable and of the latest designs; they fully....
It is used for testing DC resistances of transformers, motors, instrument transformers and other equipments ( the speed of the test is fast, the results can be showed and printed) The main....
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....
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....
The tester can measure the no-load of the transformer, and the active current ( voltage) value, power factors of the short-circuit experiment at the same time with computer controlling, digital....
Digital impulse voltage ( current) waveform recording system for measuring and analyzing GIS oscillation operation wave and steep wave experimental instrument Reform of the impulse voltage ( ....
Used for measuring any once impulse full waves whose first signal form s length overpass 500ns , also measuring and storing the numerical value of the impulse peak-voltage , peak-current and....