{"product_id":"tester-zemniho-odporu-uni-t-ut572","title":"Earth Resistance Tester UNI-T  UT572","description":"This product comes with a 3-year warranty.\u003cbr\/\u003e\u003cbr\/\u003eUT572 is an intelligent device for measuring earth resistance and soil resistivity (specific earth resistance). The device is widely used in the design and testing of earthing systems for new electrical installations and lightning conductors in construction, industry, substations, telecommunications, etc.\u003cbr\/\u003e\u003cbr\/\u003eUsing the methods of 2-wire, 3-wire, 4-wire measurement and generation of measuring voltage with frequencies 94Hz and 128Hz, it can determine the earth resistance (Re), specific earth resistance (?), voltage and frequency of interfering induced signals Ust and Fst.\u003cbr\/\u003e\u003cbr\/\u003eThe device is designed with a new look, with a large backlit multifunction display. It has a durable cover with double and reinforced insulation.\u003cbr\/\u003eThis device has been designed, manufactured and tested according to safety standards IEC61010 (Safety requirements for electrical equipment) in the category of overvoltage CATIII 300V, EN61010-2-033, EN 61010-031.\u003cbr\/\u003e\u003cbr\/\u003e\u003cbr\/\u003eProduct parameters :\u003cbr\/\u003e\u003cbr\/\u003e- maximum display: \t\t\t\t\t\t9999\u003cbr\/\u003e- backlit multifunction LCD display with dimensions: \t\t125 mm × 37 mm\u003cbr\/\u003e- the display shows: \t\t\t\t\t\tfunction modes, values, units and symbols\u003cbr\/\u003e- switching of functions and ranges: \t\t\t\trotary 8-position switch\u003cbr\/\u003e- soil resistivity measurement method (?): \t\t\t\t2-wire, 3-wire and 4-wire\u003cbr\/\u003e- earth resistance test: \t\t\t\t\tRK, RH, RS\u003cbr\/\u003e- display of interference voltage Ust: \t\t\t\tup to 50V \/ AC \/ DC\u003cbr\/\u003e- display of interfering frequency Fst: \t\t\t\tin the range of 40 to 500Hz\u003cbr\/\u003e- test signal frequency: \t\t\t\t\t94Hz and \/ or 128Hz\u003cbr\/\u003e- range of distances between probes: \t\t\t\t1m to 40m\u003cbr\/\u003e- memory storage: \t\t\t\t\t\tup to 20 measurement sets\u003cbr\/\u003e- power supply: \t\t\t\t\t\t8 pcs 1.5V AA alkaline batteries\u003cbr\/\u003e- battery status display: \t\t\t\t\tyes, if it drops below 9.5V, then replace the batteries\u003cbr\/\u003e- automatic shut-off on inactivity: \t\t\t\tyes, it switches itself off after 5 minutes\u003cbr\/\u003e- overload protection\u003cbr\/\u003e\u003cbr\/\u003e\u003cbr\/\u003eTechnical parameters :\u003cbr\/\u003e\u003cbr\/\u003eEarth resistance measurement (Re)\u003cbr\/\u003emeasurement range \/ resolution \/ accuracy (Re)\u003cbr\/\u003e       4?     \/    0.01?    \/ ± (3% + 15)\u003cbr\/\u003e     40?     \/      0.1?    \/ ± (3% + 5)\u003cbr\/\u003e   400?     \/         1?    \/ ± (3% + 5)\u003cbr\/\u003e     4k?     \/  0.01k?    \/ ± (3% + 5)\u003cbr\/\u003e  40 k?     \/    0.1k?    \/ ± (3% + 5)\u003cbr\/\u003e\u003cbr\/\u003eMeasurement of specific soil resistance (?)\u003cbr\/\u003ein ranges: \t\t\t\t\t\t\t4?, 40?, 400?, 4k?, 40k?, max. 1000k?m\u003cbr\/\u003emeasurement accuracy (?) depending on the test result Re: \t\t? = 2 × ? × L × Re\u003cbr\/\u003e\u003cbr\/\u003eMeasurement of interfering signals\u003cbr\/\u003eamplitude \/ resolution \/ measurement accuracy range (Ust)\u003cbr\/\u003e1 to 50Vrms \/ 1V \/ ± (3% + 3)\u003cbr\/\u003e\u003cbr\/\u003efrequency range \/ resolution \/ measurement accuracy (Fst)\u003cbr\/\u003e40Hz to 500Hz \/ 1Hz \/ ± (1% + 2)\u003cbr\/\u003e\u003cbr\/\u003e\u003cbr\/\u003eOther parameters :\u003cbr\/\u003e \u003cbr\/\u003e- multifunctional backlit LCD display with dimensions: \t\t125 × 37 mm\u003cbr\/\u003e- test signal frequency: \t\t\t\t\t94Hz and \/ or 128Hz\u003cbr\/\u003e- range of distances between probes: \t\t\t\t1m to 40m\u003cbr\/\u003e- memory storage: \t\t\t\t\t\tup to 20 measurement sets\u003cbr\/\u003e- overload protection: \t\t\t\t\t220V \/ AC for 10s between terminals E-S, E-H\u003cbr\/\u003e- insulation impedance between circuits on PCB and cover: \t\t? 50M? (1000V)\u003cbr\/\u003e- voltage resistance between the circuits on the PCB and the cover: \t3540V \/ AC50 \/ 60Hz form 5s, without spark\u003cbr\/\u003e- power supply: \t\t\t\t\t\talkaline batteries AA 1.5V, 8 pieces\u003cbr\/\u003e- automatic shut-off when idle: \t\t\t\tyes, after 5 minutes\u003cbr\/\u003e- low battery indication: \t\t\t\t\tyes, at ? 9.5V\u003cbr\/\u003e- working environment: \t\t\t\t\ttemperature 0 ° C to + 40 ° C, humidity max. 80% RH, n.m.v. ? 2000\u003cbr\/\u003e- storage environment: \t\t\t\t\ttemperature -20 ° C to + 60 ° C, humidity ? 75% RH\u003cbr\/\u003e- device dimensions: \t\t\t\t\t210 x 175 x 90mm\u003cbr\/\u003e- weight: \t\t\t\t\t\t\t1.1kg (including batteries)\u003cbr\/\u003e- device color: \t\t\t\t\t\tred and gray\u003cbr\/\u003e\u003cbr\/\u003e\u003cbr\/\u003eContents of individual packaging:\u003cbr\/\u003e\u003cbr\/\u003e- device UT572: 1pc\u003cbr\/\u003e- green precision test cable, 5m with crocodile clip: \t\t\t1pc\u003cbr\/\u003e- yellow precision test cable, 10m with crocodile clip: \t\t1pc\u003cbr\/\u003e- red precision test cable, 20m with crocodile clip: \t\t\t1pc\u003cbr\/\u003e- black precision test cable, 20m with crocodile clip: \t\t\t1pc\u003cbr\/\u003e- red precision test cable, 40m with crocodile clip: \t\t\t1pc\u003cbr\/\u003e- simple test cables with crocodile clip: \t\t\t\t2pcs\u003cbr\/\u003e- ground pin (probe) approx. 20 cm long: \t\t\t\t4pcs\u003cbr\/\u003e- alkaline battery 1.5V AA: \t\t\t\t\t8pcs\u003cbr\/\u003e- case: \t\t\t\t\t\t\t1pc\u003cbr\/\u003e- instructions for use: \t\t\t\t\t1pc\u003cbr\/\u003e\u003cbr\/\u003e\u003cbr\/\u003eWholesale packaging :\u003cbr\/\u003e\u003cbr\/\u003e- standard quantity per carton: \t\t\t\t\t2pcs\u003cbr\/\u003e- dimensions of standard carton: \t\t\t\t475 x 378 x 335 mm (0.064 CBM)\u003cbr\/\u003e- standard total carton weight: \t\t\t\t\t14kg\u003cbr\/\u003e\u003cbr\/\u003e\u003cbr\/\u003eManufacturer: UNI-TREND\u003cbr\/\u003ewww.uni-t.cz","brand":"UNI-T","offers":[{"title":"Default Title","offer_id":52541768827218,"sku":"07720192","price":410.08,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0954\/9624\/1490\/files\/07720192_d3bd32ce-9bcd-4bb6-baf8-4b952f2469c1.png?v=1776145581","url":"https:\/\/tipa.eu\/en-en\/products\/earth-resistance-tester-unit-ut572","provider":"TIPA","version":"1.0","type":"link"}