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:Pre checking and checking of goods in power system
Check: the full name is a regular inspection, with the role of pre trial is almost the same as the general power system is the two equipmentGoods inspection heard, just heard of items set is the item visit orderly, convenient for production work.
Q:Power test equipment sales to find power supply company which departments?
Procurement is generally the Department of materials management, to find a high class, livelihood, materials department
Q:What is the meaning of the high - voltage high - voltage device in power system
There has been greater than the power load power requirements, response to the power parameters is high frequency, this requires high cycle splitting device, tripping the corresponding circuit breaker, to remove the part of power grid connected or separated from the original into two or more power to lift the accident or the narrow scope of the accident to
Q:What is the importance of annual maintenance of electrical equipment
The necessity of power equipment testingPower equipment is the hub and channel in the transmission and distribution network, in the course of the use of equipment will be aging, disrepair, hidden trouble, etc.. However, these situations can not be ruled out by the eyes of the people, the staff of the experience, it is necessary to detect the special power equipment to check out these security risks and the organization of human resources in a timely manner to exclude.In the operation of electric power, the safety of electric power has always been a chord of the electric power. Power equipment testing is actually played a role in prevention and detection of hidden dangers. So it is very important to detect the electric equipment (i.e., the preventive test of electric equipment).
Q:1 what are the main aspects of power line fire? 2 what are the main aspects of electrical equipment fire?
Two, electrical fire monitoring system should be listed in the department or all the monitoring unit:1 electrical fire monitoring equipment;2 residual current type electric fire monitoring detector;3 temperature measuring electric fire monitoring detector;4 linear temperature fire detector
Q:Buildings, factories, institutions, power distribution room of the power equipment as required
In the vicinity of the power grid in the supply of power on the requirements of their own generators to ensure that the dual power supply. Factories and institutions to see what the main work, if it is steel, hospital, such as the load category one or two categories of power needs of the dual power supply. And the load such as electric furnace, easy to produce harmonics, in order to ensure the power quality of the grid, it requires the installation of harmonic elimination device.
Q:What are the main interference sources of the two power system
Power system electromagnetic environment consists of one or two devices, of which there are a variety of electromagnetic disturbance and interaction, the current electric power system is developing towards higher voltage, higher capacity, power network is more intensive and more complex systems, more advanced equipment to the direction of development, to guide electromagnetic disturbance of power system more serious and complicated. On the other hand, the advanced power systems using more advanced automation and other electronic and computer control, measurement, communication and protection system, and solid state electronic based advanced equipment and system tolerance electromagnetic disturbance ability is weaker, more susceptible to electromagnetic environment.
Q:The production and transportation process of electric power
The transmission voltage is the main symbol of the development level of transmission technology. By 1990s, the world's commonly used transmission voltage of 220 thousand volts and above high voltage transmission of 330 to 765 thousand volts EHV transmission, more than 1 million volts and UHV transmission. In power system, the power plant will naturally change the primary energy into electricity, and send electricity to power users far away, in order to reduce the power loss of transmission line and line impedance, voltage should be increased; in order to meet the needs of power users safe, and will reduce the voltage, and assigned to each user, this we need to raise and lower the voltage, and can change the distribution of electric power. So the substation and distribution of electric power electrical device through its transform voltage, electric power system, it is a link between power plant and power users, and through each substation voltage level of the grid connected substation function is to transform voltage, transmission and distribution of power. Substation is composed of power transformer, power distribution equipment, two system and necessary auxiliary equipment.
Q:Reactive power compensation methods commonly used in power equipment
Hello!Electrical equipment commonly used in reactive power compensation and the method of improving power factor are: synchronous motor, synchro, series capacitor compensation, shunt capacitor and series reactor compensation (EHV transmission line) and SVC, SVG compensation. SVG is through the power electronic device IGBT and its control circuit, a active VaR of equal amplitude and opposite to the size of the system, the reactive power compensation device for reactive power compensation to offset the system in recent years is the development direction of reactive power compensation.
Q:In order to obtain the qualification test of electric equipment
Can not be directly applied for; there will be a variety of requirements for the application, including the number of test personnel configuration (to have a certificate, no evidence of personnel does not count), test equipment configuration (to provide invoices for the purchase of equipment, there is no light

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