{"id":3324,"date":"2023-10-30T16:13:22","date_gmt":"2023-10-30T08:13:22","guid":{"rendered":"https:\/\/kvhipot.com\/?post_type=product&p=3324"},"modified":"2024-01-15T16:24:37","modified_gmt":"2024-01-15T08:24:37","slug":"earth-resistance-tester","status":"publish","type":"product","link":"https:\/\/kvhipot.com\/ko\/product\/earth-resistance-tester\/","title":{"rendered":"KVJD-4000 \uc811\uc9c0 \uc800\ud56d \ud14c\uc2a4\ud130"},"content":{"rendered":"

KVJD-4000<\/b><\/strong> \u00a0<\/b><\/strong>E<\/b><\/strong>arth resistance tester\u00a0<\/b><\/strong>is specially designed and manufactured for ground resistance<\/b><\/strong>, The testing current reaches 20mA. The digital and micro-processing technology, precision 3-wire method and simple 2-wire method are used to measure ground resistance, importing FFT (Fast Fourier Transform) technology, which is widely used in electric power, telecommunications, meteorology, oil field, construction, lightning protection, industrial electrical equipment and other earth resistance, earth voltage measurement.<\/p>\n

Technical <\/b><\/strong>Data<\/b><\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
<\/a>Function<\/strong><\/td>\nGrounding resistance, loop resistance, conduction resistance and equipotential connection resistance test; soil resistivity and AC voltage test.<\/td>\n<\/tr>\n
Power<\/strong><\/td>\nDC 9V(Zi-Mn dry battery R14S 1.5V 6 PCS, continuous standby for 300 hours )<\/td>\n<\/tr>\n
Back light<\/strong><\/td>\nControllable white screen backlight, suitable for use in dark field.<\/td>\n<\/tr>\n
Testing method<\/strong><\/td>\nprecision 4 wire 3wire \u00a0testing, simple 2 wire test grounding resistance<\/td>\n<\/tr>\n
Measure method<\/strong><\/td>\nEarth Resistance: rated current change-pole method, measurement current 20mA Max<\/td>\n<\/tr>\n
Soil Resistivity: 4-pole measurement (Wenner method)<\/td>\n<\/tr>\n
Earth Voltage: average rectification(between P(S)-ES)<\/td>\n<\/tr>\n
Range<\/strong><\/td>\n234 wire method for measuring ground resistance (R)\uff1a<\/strong>0.000\u03a9\uff5e30000\u03a9<\/td>\n<\/tr>\n
Soil resistivity (\u03c1)\uff1a<\/strong>0.00\u03a9m\uff5e9000k\u03a9m<\/td>\n<\/tr>\n
Grounding voltage\uff1a<\/strong>AC 0.0\uff5e100.0V<\/td>\n<\/tr>\n
Max. resolution<\/strong><\/td>\n234 wire method for measuring ground resistance (R)\uff1a<\/strong>0.001\u03a9<\/td>\n<\/tr>\n
Soil resistivity (\u03c1)\uff1a<\/strong>0.01\u03a9m<\/td>\n<\/tr>\n
Grounding voltage\uff1a<\/strong>0.1V<\/td>\n<\/tr>\n
\u00a0<\/strong><\/p>\n

\u00a0<\/strong><\/p>\n

\u00a0<\/strong><\/p>\n

 <\/p>\n

\uc815\ud655\uc131<\/strong><\/p>\n

\u00a0<\/strong><\/p>\n

\u00a0<\/strong><\/p>\n

\u00a0<\/strong><\/td>\n

234 wire method for measuring ground resistance (R)\uff1a<\/strong><\/p>\n

1\uff0e0.000\u03a9\uff5e10.00k\u03a9: \u00a0\u00b12%rdg\u00b15dgt<\/p>\n

2\uff0e10.0K~100.0k\u03a9: \u00a0\u00a0\u00a0\u00b13%rdg\u00b15dgt<\/p>\n

3\uff0e100.0K~200.0k\u03a9: \u00a0\u00a0\u00b13.5%rdg\u00b15dgt<\/td>\n<\/tr>\n

Soil resistivity (\u03c1)\uff1a<\/strong>depends on R accuracy<\/p>\n

\uff08\u03c1=2\u03c0aR \u00a0a:1 m\uff5e100m\uff1b\u03c0=3.14\uff09<\/td>\n<\/tr>\n

Grounding voltage\uff1a <\/strong>\u00b12%rdg\u00b13dgt<\/td>\n<\/tr>\n
testing voltage wave shape<\/b><\/strong><\/td>\nsine wave<\/td>\n<\/tr>\n
Testing frequency<\/b><\/strong><\/td>\n412Hz\u3001825Hz\u30011280Hz(Automatic frequency selection)<\/td>\n<\/tr>\n
Short circuit test current<\/strong><\/td>\nAC 20mA max<\/td>\n<\/tr>\n
Open circuit test voltage<\/strong><\/td>\nAC 90V max<\/td>\n<\/tr>\n
Electrode spacing<\/strong><\/td>\n1m\uff5e100m<\/td>\n<\/tr>\n
Shift<\/b><\/strong><\/td>\nGrounding resistance\uff1a0.000\u03a9\uff5e200k\u03a9 Full automatic shift<\/td>\n<\/tr>\n
Soil resistivity\uff1a0.00\u03a9m\uff5e9999k\u03a9m Full automatic shift<\/td>\n<\/tr>\n
LCD<\/b><\/strong><\/td>\n6-bit LCD display, white screen backlight<\/td>\n<\/tr>\n
LCD size<\/strong><\/td>\n128mm\u00d775mm<\/td>\n<\/tr>\n
LCD display size<\/strong><\/td>\n124mm\u00d767mm<\/td>\n<\/tr>\n
Testing indication<\/strong><\/td>\nLED flashing indication in measurement.LCD count down.Progress bar chart indication<\/td>\n<\/tr>\n
charging indication<\/strong><\/td>\nWhen charging, the indicator on the charger is bright red, full of bright green.<\/td>\n<\/tr>\n
size<\/strong><\/td>\nHost machine\uff1aLength Width Height 320mm\u00d7275mm\u00d7145mm<\/td>\n<\/tr>\n
Outer size\uff1aLength Width Height 400mm\u00d7245mm\u00d7335mm<\/td>\n<\/tr>\n
test time<\/strong><\/td>\nGround voltage\uff1aapprox 2times\/sec\uff1bground resistance\uff1aapprox 7times\/sec\uff1bsoil resistivity\uff1aapprox 7times\/sec<\/td>\n<\/tr>\n
test times<\/strong><\/td>\n5000times above ( short circuit test, test 1 time,Stop for 30 seconds and retest. )<\/td>\n<\/tr>\n
\u00a0circuit voltage<\/strong><\/td>\nAC 600V below test<\/td>\n<\/tr>\n
communication port<\/strong><\/td>\nWith RS232 interface, storage data can be uploaded to the computer and saved to print.<\/td>\n<\/tr>\n
communication wire<\/strong><\/td>\nRS232 communication wire 1pcs, length 1.5m<\/td>\n<\/tr>\n
Data HOLD<\/strong><\/td>\nThe “HOLD” symbol indicates data is kept.<\/td>\n<\/tr>\n
data save<\/strong><\/td>\n2000 SET\uff0c\u201cMEM<\/strong>\u201dStorage instructions\uff0cdisplay \u201cFULL<\/strong>\u201dIndicates that the storage is full.<\/td>\n<\/tr>\n
overflow display<\/strong><\/td>\nExceeding measuring range overflow function: \u201cOL<\/strong>\u201d icon display<\/td>\n<\/tr>\n
Interface test<\/strong><\/td>\nRecognize interference signal automatically, \u201cNOISE<\/strong>\u201d icon display when interference voltage exceed 5V<\/td>\n<\/tr>\n
auxiliary grounding test<\/strong><\/td>\nCan measure auxiliary earth resistance, 0.00K\u03a9-30000\u03a9(100R<\/strong>+rC<\/strong><50k\u03a9, 100R<\/strong>+rP<\/strong><50k\u03a9)<\/td>\n<\/tr>\n
Alarm function<\/strong><\/td>\nWhen measuring value exceeds alarm setting value, there is \u201cToot-toot-toot\u201d alarm hint<\/td>\n<\/tr>\n
battery voltage<\/strong><\/td>\nWhen low \u00a0battery , battery voltage low icon will display, reminding to charging battery.<\/td>\n<\/tr>\n
Automatically power off<\/strong><\/td>\nTurn off automatically after standby 15 minutes.<\/td>\n<\/tr>\n
working current<\/strong><\/td>\nStandby: about 25mA (Backlight shut off)\uff1b<\/p>\n

backlight\uff1a25mA Max(only backlight consumption)\uff1b<\/p>\n

Measurement: about 150mA (Backlight shut off)<\/td>\n<\/tr>\n

weight<\/strong><\/td>\nHost machine\uff1a2.66kg(with battery)<\/td>\n<\/tr>\n
Total weight\uff1a6.88kg(with package)<\/td>\n<\/tr>\n
Tool box<\/strong><\/td>\nThe military toolbox is designed to support 200kg.<\/td>\n<\/tr>\n
Overload protection<\/strong><\/td>\n\u00a0Measure ground resistance \uff1aC<\/strong>(H)<\/strong>-E<\/strong>\u3001P<\/strong>(S)<\/strong>-ES between each port <\/strong>AC 280V\/3sec<\/td>\n<\/tr>\n
Insulation resistance<\/strong><\/td>\n20M\u03a9 above(between circuit and shell 500V)<\/td>\n<\/tr>\n
Withstand voltage<\/strong><\/td>\nAC 3700V\/rms(between circuit and shell)<\/td>\n<\/tr>\n
Electromagnetic features<\/strong><\/td>\nIEC61326(EMC)<\/td>\n<\/tr>\n
Protection type<\/strong><\/td>\nIEC61010-1(CAT \u2162 300V\u3001CAT IV 150V\u3001pollution class2)\uff1b<\/p>\n

IEC61010-031\uff1bIEC61557-1(ground resistance)\uff1bIEC61557-5(soil resistivity)\uff1bJJG 366-2004(ground resistance meter)\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>","protected":false},"excerpt":{"rendered":"

KVJD-4000 Earth resistance tester is specially designed and manufactured for ground resistance, which is widely used in electric power, telecommunications, meteorology, oil field, construction, lightning protection, industrial electrical equipment and other earth resistance, earth voltage measurement.<\/p>","protected":false},"featured_media":3327,"template":"","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":""},"product_cat":[27],"product_tag":[],"_links":{"self":[{"href":"https:\/\/kvhipot.com\/ko\/wp-json\/wp\/v2\/product\/3324"}],"collection":[{"href":"https:\/\/kvhipot.com\/ko\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/kvhipot.com\/ko\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kvhipot.com\/ko\/wp-json\/wp\/v2\/media\/3327"}],"wp:attachment":[{"href":"https:\/\/kvhipot.com\/ko\/wp-json\/wp\/v2\/media?parent=3324"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/kvhipot.com\/ko\/wp-json\/wp\/v2\/product_cat?post=3324"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/kvhipot.com\/ko\/wp-json\/wp\/v2\/product_tag?post=3324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}