MRD196-H Grounidng Fault Locator (small size)

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Place of Origin:

He BeiChina (Mainland)

Brand Name:


Model Number:




Measurement range:


Testing accuracy 1:

distance < 1km test error ≤1m

Testing accuracy 2:

distance > 1km test error ≤0.5%

Testing blind point:


Charging time:

4 hours

Continuous operating time:

10 hours

Dimension (mm)::






Packaging & Delivery

Packaging Detail:Carton
Delivery Detail:5-7 DAYS


MRD-196H series fault wire location device of low current adpots 80C 196 single-chip mirocomputer for analyzing, applicable to 0.38KV~66KV power system of unground or ground via arc-suppression coil as well as via neutral ground resistor. No matter metal grounding, gap grounding, arc flash grounding or accompanied ferromagnetic resonance grounding, it could accurately locate the grounding wire without limit to wire-out way (over-head line or underground cable line) 




TM500 Power Cable Fault Locator adopts international advanced electronic testing technologies and SCM technology, and combines low-voltage pulse reflection and pulse current testing methods, is suitable for the precise range finding of power cable high resistance, flashover, disconnection, and low resistance.


Low-voltage pulse reflection method applies to test the range of the low resistance and broken line, and the length and wave velocity of various cables. Pulse current testing method can be divided into breakthrough high-voltage flashover and DC high-voltage flashover for the high resistance and flashover cable fault finding.





1.Combines low-voltage pulse reflection and pulse current testing methods, is suitable for the precise range finding of power cable high resistance, flashover, disconnection, and low resistance.


2.With high degree of intelligence, it can automatically determine whether the failure point discharge or not and automatically calculate the fault distance.


3.Compare with the traditional flash measurement instrument, which use resistance and capacitance divider measuring pulse voltage signals, the current sensor tests the pulse current signals in the grounding line with simple and convenient wiring, and good security with isolation of high-voltage equipment and the electrical circuit.


4.High testing accuracy:

When the distance < 1km, the test error ≤1m

When the distance > 1km, the test error  ≤0.5%.


5.English menu, easy to master and use.


6.It can preserve 20 testing waveforms permanently, no loss after the shutdown, is a replacement of printer. With a clock logo, you can read waveform file easily.


7.Using a large LCD screen with backlight. Adjusting LCD display brightness through pressing keys.


8.Rechargeable nickel-metal hydride batteries, automatic charger management.


9.Small size, light weight, and portable design





Measurement range: 10km

Testing accuracy:   distance < 1km        test error ≤1m

                       distance > 1km         test error  ≤0.5%

Testing blind point: <10m

Charging time: 4 hours

Continuous operating time: 10 hours

Power: 2W

Operating temperature:-10--+40 degree

Dimension (mm):235*190*110

Weight: 2kg



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Q:What is the meaning of the high - voltage high - voltage device in power system
The high cycle is high frequency, rated frequency of power system in China is 50Hz, the normal range was 49.8~50.2Hz, under normal circumstances, the power dispatching department through power planning, automatic control and other means to achieve power generation and load demand power balance. In the event of an accident, the balance can not be controlled by these means,
Q:Is the GIS in the electric power high voltage switch cabinet
High voltage electrical (mainly above 35kV) exposed to the air, common substation circuit breaker, isolating switch, bus, phases, equipment, and equipment between between and so must have a relatively large safety distance. This area is relatively large, but also exposed to the outside of the security risks are more. GIS is a kind of technology, the bus CircuitBreakers isolating switch for high-voltage electric appliances shell pack, seal filled with six sulfur hexafluoride gas, according to the elements of seal, not a whole big box, such as every bus from the outside is a large cylinder etc.. This equipment can be very compact layout, and a sealed shell, but also more secure.High voltage switchgear is only a device installed in a cabinet, and this is generally high voltage 10kV, up to 35kV, and then there is no general high switch cabinet this form. Of course, you can also use GIS technology. But generally speaking, GIS is more than 110kV GIS switch station.You can Baidu image search GIS switch station". You can see that the big cylinder together is the GIS switch equipment, large cylinder which is the bus, circuit breakers and other equipment, see pictures more intuitive.
Q:What is the LCP cabinet of electric power equipment
Junction box is a collection of all kinds of lines, equivalent to a transit station, the scene and control room may have.Electronic control box instruments and electrical appliances may be used.
Q:Maintenance of electrical equipment, security measures to ensure that what
Maintenance of electrical equipment is the safety measures are as follows:1, strict implementation of the "coal mine safety regulations," the provisions of the electricity sector.2, all mechanical and electrical workers must go through rigorous technical training and safety training, qualified after the certificate, undocumented personnel are prohibited posts.3, mechanical and electrical workers to carry the complete power tools and instruments, voltage levels meet the requirements.
Q:What are the effects of frequency variation on power users and power systems?
As we all know, the asynchronous motor is widely used in industry. Its speed and output power are related to frequency. Changes in frequency, speed and power output of the motor is also changing, which seriously affected the quality of the product; modern industry, national defense and scientific research has been widely used in various electronic technology equipment, if the system frequency instability, affect the accuracy of these devices will be.
Q:What are the characteristics of the grounding of the power system and equipment?
The grounding - is the need for work and set up the ground, such as: high current transformer neutral point grounding, primary voltage transformer neutral grounding, 380/220V three-phase four wire neutral grounding, etc..
Q:How to run a company that operates electric equipment
First to find a company to do the power equipment, their prices, of course, the ex factory price to come over
Q:Hello, I would like to ask what are the main rotating equipment in the power system? What is a rotating device?
A device with a motor can be called a rotating device. Power system mainly refers to the generator, motor
Q:What is the redundancy of electrical equipment
Redundancy is a part of the system that is repeatedly configured. When the system is in trouble, the redundant components are involved in the work of the faulty components, thereby reducing the failure time of the system.
Q:What are the provisions of the national life of the complete sets of power equipment?
Conventional equipment GB service life of 30 years, actually not to use life to replace, mainly is the national economic development speed is faster, for the replacement of aging equipment, specialized centralized auction, where their standard is used according to their own situation to the report.

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