Ground Network Earth Resistance Tester Suppliers and Manufacturers

Overview At present in the electric power system the grounding resistance of the earth network is mainly measured by power frequency large current tripole method. In order to prevent power frequency interference during power grid operation and improve the accuracy of measurement results insulation preventive test regulations stipulate that the test current of power frequency high-current method shall not be less than 30A. As a result there are many problems such as bulky test equipment complicated test process high working intensity and long test time. Ground Network Earth Resistance Tester adopts new frequency conversion ac power supply and adopts microcomputer processing control and signal processing and other measures which well solves the anti-interference problem in the test process simplifies the trial operation process improves the accuracy and accuracy of the test results and greatly reduces the labor intensity of test personnel and test cost. Ground Network Earth Resistance Tester is suitable for testing power frequency grounding impedance contact voltage step voltage power frequency characteristic parameters and soil resistivity of various grounding devices. measurable substation ground network (4) water and fire power plants microwave station (10) the lightning rod 10 multi-purpose machines. Ground Network Earth Resistance Tester adopts different frequency anti-interference technology which can accurately measure data at power frequency of 50Hz under strong interference environment. The maximum of test current is 3A which will not cause excessive potential of grounding device during the test. Meanwhile it also has strong anti-interference ability so it can be measured without power failure.

Product Introduction At present in the electric power system the grounding resistance of the earth network is mainly measured by power frequency large current tripole method. In order to prevent power frequency interference during power grid operation and improve the accuracy of measurement results insulation preventive test regulations stipulate that the test current of power frequency high-current method shall not be less than 30A. As a result there are many problems such as bulky test equipment complicated test process high working intensity and long test time. Ground Network Earth Resistance Tester adopts new frequency conversion ac power supply and adopts microcomputer processing control and signal processing and other measures which well solves the anti-interference problem in the test process simplifies the trial operation process improves the accuracy and accuracy of the test results and greatly reduces the labor intensity of test personnel and test cost. Ground Network Earth Resistance Tester is suitable for testing power frequency grounding impedance contact voltage step voltage power frequency characteristic parameters and soil resistivity of various grounding devices. �© measurable substation ground network (4) water and fire power plants microwave station �© (10) the lightning rod (10 �©) multi-purpose machines. Ground Network Earth Resistance Tester adopts different frequency anti-interference technology which can accurately measure data at power frequency of 50Hz under strong interference environment. The maximum of test current is 3A which will not cause excessive potential of grounding device during the test. Meanwhile it also has strong anti-interference ability so it can be measured without power failure.

At present in the electric power system the grounding resistance of the earth network is mainly measured by power frequency large current tripole method. In order to prevent power frequency interference during power grid operation and improve the accuracy of measurement results insulation preventive test regulations stipulate that the test current of power frequency high-current method shall not be less than 30A. As a result there are many problems such as bulky test equipment complicated test process high working intensity and long test time. Ground Network Earth Resistance Tester adopts new frequency conversion ac power supply and adopts microcomputer processing control and signal processing and other measures which well solves the anti-interference problem in the test process simplifies the trial operation process improves the accuracy and accuracy of the test results and greatly reduces the labor intensity of test personnel and test cost. Ground Network Earth Resistance Tester is suitable for testing power frequency grounding impedance contact voltage step voltage power frequency characteristic parameters and soil resistivity of various grounding devices. �© measurable substation ground network (4) water and fire power plants microwave station �© (10) the lightning rod (10 �©) multi-purpose machines. Ground Network Earth Resistance Tester adopts different frequency anti-interference technology which can accurately measure data at power frequency of 50Hz under strong interference environment. The maximum of test current is 3A which will not cause excessive potential of grounding device during the test. Meanwhile it also has strong anti-interference ability so it can be measured without power failure. Product nickname Earth grid earth resistance tester earth grid earth resistance tester large earth grid earth resistance tester

At present in the electric power system the grounding resistance of the earth network is mainly measured by power frequency large current tripole method. In order to prevent power frequency interference during power grid operation and improve the accuracy of measurement results insulation preventive test regulations stipulate that the test current of power frequency high-current method shall not be less than 30A. As a result there are many problems such as bulky test equipment complicated test process high working intensity and long test time. Ground Network Earth Resistance Tester adopts new frequency conversion ac power supply and adopts microcomputer processing control and signal processing and other measures which well solves the anti-interference problem in the test process simplifies the trial operation process improves the accuracy and accuracy of the test results and greatly reduces the labor intensity of test personnel and test cost. Ground Network Earth Resistance Tester is suitable for testing power frequency grounding impedance contact voltage step voltage power frequency characteristic parameters and soil resistivity of various grounding devices. �© measurable substation ground network (4) water and fire power plants microwave station �© (10) the lightning rod (10 �©) multi-purpose machines. Ground Network Earth Resistance Tester adopts different frequency anti-interference technology which can accurately measure data at power frequency of 50Hz under strong interference environment. The maximum of test current is 3A which will not cause excessive potential of grounding device during the test. Meanwhile it also has strong anti-interference ability so it can be measured without power failure.

Product description Earth ground resistance tester is a high-precision testing instrument used in various fields such as substations to test grounding resistance and related parameters.The instrument is of an integrated structure, with a built-in frequency conversion power supply module, and the output power supply is continuously variable in frequency. The frequency can be changed to 45Hz or 55Hz, the high-speed processor core is built in, and the high-end digital filtering technology is adopted, thus effectively avoiding the interference of power frequency electric field to the test and fundamentally solving the difficult problem of accurate measurement under strong electric field interference. Technical index 1 Conditions of use 1 540 RH 80% 2 Anti-interference principle Frequency conversion method 3 Electric source AC 220V 10% allowed generator 4 Measure output current 1A 5A Adjustable 5 Measure output voltage 0V 100V 6 Test power frequency 45, 50, 55, 60, 65HZ single frequency 45 55, 55 65 47.5 52.5HZ Automatic Dual Frequency 7 Output rating 500W 8 Distinguishing rate Grounding impedance 0.0001 Impedance angle 0.0001 9 Precision Grounding impedance 1% reading 0.002 Impedance angle 1% reading 0.02 10 Resistance measurement range 0.001 5 11 Exterior dimensions 370 295 W 225 H 12 Memory size 100 groups support U disk data storage 13 Weight Main engine 13 Kg, ground pile 7 Kg

Main features:1. 2/3/4-wires measurement of earth resistance, soil resistivity, earth voltage, , ac voltage;, 2.Measurement range: earth resistance: 0.00î©-30.00kî©; 0~600v, soil, resistivity: 0.00î©m-9000kî©m; 3. Data upload: rs232 interface, 4.Date storage:300 sets, model no:mewoi4000c, name:mewoi4000c-earth ground resistance/soil resistivity tester, electrode distance range:can be set 1m-100m, low power consumption:standby:1. About 20ma (backlight shut off), 2.Boot and with backlight: about 45ma, (25ma without backlight), 3.Measurement: about 100ma, (backlight shut off)

Name : Weed control mat/Ground cover/ 1. Weight 2oz/sm - 14oz/sm or 60gsm-150gsm 2. Width 1.6' -20' or 0.5m-6m 3. Roll Length 16', 33', 65', or 5m,10m,20m,25m,50m,100m or as required 4. Color Black,Green,Black-green or as required 5. Weave 8*8,10*10,11*11,12*12,12*16 6. Material 100% PP material 7. UV resistance 3-5 years 8. Sample Avaliable 9. Delivery time About 20 days 10. Min order No limit 11.Terms of payment 1.TT or LC 12. Supply capacity 500 tons per month 13. Packing In rolls with paper core inside and polybag outside or in Carton or as your request 14. Quantity 1x20ft container can load about 11 tons 1x40'HC can load about 26 tons 15.Export market Australia,Canada,Argentina,USA,The Middle East,Europe market ,Japan and so on.

Features: Widely applied in ground resistance measurement, loop resistance measurement With optional function of RS232 interface data upload No need to disconnect the ground wire from the ground net Without auxiliary electrode High accuracy and resolution With data memory Automatic power off Specifications: Clamp size: 65 x 32mm Resistance range: 0.01 to 1,200ohm; With automatic shifting Resistance resolution: 0.001ohm; Data memory: 99 sets Alarm setting: 1 to 199ohm; and buzzer alarm Quick boot: in 0.5 second With lower consumption.

Earth Resistance Tester: Model: ETCR2100+(basal) Category: Ground Resistance tester Earth Resistance Tester (ETCR2100+)-Illustration: ETCR 2100+ of Pincers Earth Tester, in the measurement of a grounding system with loop current, does not require breaking down the grounding wire, and need no auxiliary electrode. It is safe, fast and simple in use. 1.Wider range: 0.01Ñ+-1200Ñ+ 2.Stored data: 99 groups. 3.Resistance Resolution: 0.01Ñ+ 4.Size of Jaw: ¬¬32ú¿mmú¬ 5. Sound and light alarm, "beep - beep - beep -" alarm sound. 6. Breakthrough in self-test the boot a long time to wait, start immediately into the test. 7. Breakthrough relay self-test mode, using the most advanced processing algorithms and digital integration technology, a fully intelligent. 8. Break the old product to heavy issues, more in line with characteristics of handheld devices. 9. The new design, panel 6 button operation, the performance through. 10. Lower power consumption: Maximum operating current not exceeding 50mA. 260*90*66(MM)

Clamp on ground resistance tester ETCR 2000C *Accurate ground resistance measurement from 0.01to 1000Ohms *current measurement including leakage current *Accurate readings regardless of power quality in 1 seconds *Simple and easy to use, no test leads or auxiliary electrodes necessary *Data logging capability - 50 records *Individual data point recording *User selectable audible alarms *Auto power off *Low battery indicator *Large LCD display Ground Resistance: 0.010 - 0.099 Ohms (¿¬+ 1% ¿¬+ 0.01 Ohms, resolution 0.001 Ohms) Ground Resistance: 0.10 - 0.99 Ohms (¿¬+ 1% ¿¬+ 0.01 Ohms, resolution 0.01 Ohms) Ground Resistance: 1.0~49.9 Ohms (¿¬+ 1.5% ¿¬+ 0.1 Ohms, resolution 0.1 Ohms) Ground Resistance: 50.0~99.5 Ohms (¿¬+ 2% ¿¬+ 0.5 Ohms, resolution 0.5 Ohms) Ground Resistance: 100~199 Ohms (¿¬+ 3% ¿¬+ 1 Ohms, resolution 1 Ohms) Ground Resistance: 200~395 Ohms (¿¬+ 6% ¿¬+ 5 Ohms, resolution 5 Ohms) Ground Resistance: 400~590 Ohms (¿¬+ 10% ¿¬+ 10 Ohms, resolution 10 Ohms) Ground Resistance: 600~1000 Ohms (¿¬+ 20% ¿¬+ 20 Ohms, resolution 20 Ohms) Ground Leakage Current: 0.00~299 mA (¿¬+ 5% ¿¬+2 mA) resolution 1 MA Ground Leakage Current: 100~299 mA (¿¬+ 5% ¿¬+5 mA) resolution 1 mA Ground Leakage Current: 0.30~2.99 A (¿¬+ 5% ¿¬+0.03 mA) resolution 10 mA Ground Leakage Current: 0.30~2.99 A (¿¬+ 5% ¿¬+0.03 mA) resolution 10 mA Ground Leakage Current: 10.00~20.00 A (¿¬+ 5% ¿¬+0.5 mA) resolution 10 mA.

MEWOI3100B+ Clamp Earth Resistance Tester is widely applied in ground resistance measurement, loop resistance measurement in fields such as electric power, telecommunications, meteorology, oil field, architecture and industrial electrical equipment, etc. When measuring ground system with loop, there is no need to disconnect the ground wire without auxiliary electrode, which means safer and faster. MEWOI3100B+ Clamp Earth Resistance Tester can measure the ground fault which can not be measured by traditional method, can apply in the occasion where traditional methods are unworkable; MEWOI3100B+ Clamp Earth Resistance Tester measures the integrated value of ground resistance and resistance lead. Main Features 1Measuring Range0.01-200Ω2Stored Data99 sets3Clamp Size32mm4Power Consumption:Maximum 50mA Model No.: MEWOI3100B+ Name: MEWOI3100B+-0.01Ω-200Ω Earth Resistance Clamp meter/tester

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Product description Earth ground resistance tester is a high-precision testing instrument used in various fields such as substations to test grounding resistance and related parameters.The instrument is of an integrated structure, with a built-in frequency conversion power supply module, and the output power supply is continuously variable in frequency. The frequency can be changed to 45Hz or 55Hz, the high-speed processor core is built in, and the high-end digital filtering technology is adopted, thus effectively avoiding the interference of power frequency electric field to the test and fundamentally solving the difficult problem of accurate measurement under strong electric field interference. Technical index 1 Conditions of use 15 40 RH 80% 2 Anti-interference principle Frequency conversion method 3 Electric source AC 220V 10% allowed generator 4 Measure output current 1A 5A Adjustable 5 Measure output voltage V100V 6 Test power frequency 45, 50, 55, 60, 65HZ single frequency 45 55, 55 65 47.5 52.5HZ Automatic Dual Frequency 7 Output rating 500W 8 Distinguishing rate Grounding impedance 0.0001 Impedance angle 0.0001 9 Precision Grounding impedance (1% reading +0.002) Impedance angle (1% reading +0.02 ) 10 Resistance measurement range 0.001 5

Earth ground resistance tester is a high-precision testing instrument used in various fields such as substations to test grounding resistance and related parameters.The instrument is of an integrated structure, with a built-in frequency conversion power supply module, and the output power supply is continuously variable in frequency. The frequency can be changed to 45Hz or 55Hz, the high-speed processor core is built in, and the high-end digital filtering technology is adopted, thus effectively avoiding the interference of power frequency electric field to the test and fundamentally solving the difficult problem of accurate measurement under strong electric field interference.