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Страница 2: ...Operation Methods 9 1 Switch On Off 9 2 Battery Voltage Check 9 3 Ground voltage measurement 10 4 Wire Resistance Verification 10 7 Two wire easy Test Grounding Resistance 14 8 Soil Resistivity Test...
Страница 3: ...uring measuring u Pay attention to words and symbols stick on the Tester u It shall make sure that tester and accessories are in good condition before use it can be used only when there is no damaged...
Страница 4: ...only to be used disassembled adjusted and repaired by qualified personnel with authorization u When it may cause hazard by continuous use for the reason of the Tester itself it shall immediately stop...
Страница 5: ...the auxiliary grounding resistance value At the same time store 500 sets of data resistance measurement range 0 01 30 00k grounding voltage range 0 01 600 0V III Measuring Range and Accuracy Remark 1...
Страница 6: ...e Conditions 100 Operating Conditions 5k Range Grounding resistance 0 00 to 30 00k Soil resistivity 0 00 m 9999k m Ground voltage 0 00V to 600 0V Measurement Method Precision 4 wire 3 wire measurement...
Страница 7: ...Earth resistance soil resistivity about 7 seconds time Circuit Voltage below AC 600V Data Storage 500 sets MEM icon storage indicator flash display FULL icon to indicate storage is full Data Read Dat...
Страница 8: ...losure it is 500V Withstanding Voltage AC 3700V rms Between circuit and enclosure Electromagnetic Features IEC61326 EMC Protection Type IEC61010 1 CAT III 300V CAT IV 150V Pollution Degree 2 IEC61010...
Страница 9: ...lectrode and S voltage electrode and according to the formula R V I Calculate the ground resistance value R In order to ensure the accuracy of the test a four wire method was designed to increase the...
Страница 10: ...ng distance is a m and the soil resistivity value is obtained according to the formula 2 aR m and the distance between the HS pitch and the S FR is equal both a that is Wenner method For ease of calcu...
Страница 11: ...und voltage test Note the difference from the commercial AC voltage test See the following figure After the meter auxiliary grounding rod and test line are all connected after turning on the power tur...
Страница 12: ...easured grounding body auxiliary grounding bar test clip and the input interface of the instrument to the measurement eliminating the effect of the wire resistance to the measurement It is better than...
Страница 13: ...m or a geodetic grounding system the user can choose a longer test line and the electrode spacing is greater than 5 times the maximum diagonal length of the tested network As shown below R r1 r2 r3 r4...
Страница 14: ...sistance Three wire test As shown in the figure below short circuit the FR and E interfaces of the instrument that is the three wire test and the instrument operation is the same as the four wire test...
Страница 15: ...the selected metal auxiliary grounding body should be removed during measurement Floor Wiring as shown below the instrument operation with the four wire test When using the commercial power system gro...
Страница 16: ...ture content the soil resistivity will also change significantly Therefore in order to have a correct basis in the design of the grounding device so that the designed grounding device can more meet th...
Страница 17: ...rod press the key shortly to move the cursor press or key to change the current number size a value range 1m 100m and then press the SET key more than 3 seconds to save the set a value and return to t...
Страница 18: ...eep beep alarm sound The maximum value of the ground voltage alarm setting is 100V the maximum value of the ground resistance alarm setting is 3000 and the maximum value of the soil resistivity alarm...
Страница 19: ...ng SET button for not deleting and return data reading status selecting YES and then pressing SET button for deleting stored data and it will show as above right figure after deletion IX Battery Repla...
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Страница 21: ...ZhengNeng Electronics Technology Co Address 2F No 15 Baoshu Road Taihe Baiyun District Guangzhou Guangdong China Toll free call 4000 1515 38 Tel 86 20 36544172 Fax 86 20 37319075 Post 510540 WebSite w...
