Electrical installations safety Ultimate Instruments for Testing Earth and Insulation Resistance
• Multifunction, digital measuring instrument for testing of earthing and lighting protection systems, PE conductor continuity testing and DC insulation resistance measurement on low voltage electrical installations in accordance with IEC/EN 61557. • • • 30 G Measurements on earthing and lightning protection systems include: standard 4-wire method, standard 4-wire method with current clamps and 2-clamp method without junctions disassembling.Specific earth resistance (soil resistance).DC insulation resistance measurement with test voltages from 50 V up to 1000 V in 10 V steps. Measuring range up toOther features: mains voltage and frequency measurement, clamp current measurement, varistor testing.Internal memory with a capability to store up to 1000 test results that can later be transferred W . • • • to a personal computer.Software package EarthLink compatible with MS Windows operation systems allows download of test results from the instrument to a personal computer. Measurements and testing in accordance with: DIN / VDE 0100; BS 7671, 16th Edition; CEI 64.8; HD 384; EN / IEC 61557; DIN / VDE 0413; EN / IEC 61010-1; EN 50081-1; EN 50082-1
OFF SINGLE FUNCTION TESTS
Measurements per each set Earth-Insulation set 20 mEarth-Insulation set 50 Insulation set
Technical Specification
Insulation Resistance Accuracy:±(3 % + 3 D)Short-circuit test current:<7 mA Display range Riso (Un Å‚ 250 V): 0 – 000 M W ÷ 29.9 G W Display range Riso (Un < 250 V): 0 – 000 M W ÷ 199.9 M W Earth Resistance (four-lead method) Resolution:0.001; 0.01; 0.1; 1; 10; 100 M W Display range:0 ÷ 19.99 k W Accuracy:±(2 % + 2 D)… (0¸199.9 M W )Nominal test voltage:50 Resolution:0.01; 0.1; 1; 10 W ÷ 1000 V in steps of 10 VGenerator current capability:>1 mA at Unom.Display range (test voltage): 0 Basic accuracy:±(2 % + 3 D)… (0 ÷ 2 k W )Test voltage:<40 V / 125 Hz / sine waveShort-circuit test current:<20 mAHigh noise rejection: yesAut. potential and
current probe res. test:yes ÷ 1200 V Continuity of Protection Conductors (single measurement)Display range:0.00 ÷ 19.99 20.0 ÷ 199.9 200 ÷ 1999 W Accuracy:±(2 % + 2 D)±(3 %) Test current:>200 mACompensation of test leads (up to 5 Earth Resistance (four-lead method + clamp) + A1018 Display range: 0 ÷ 1.99 k W W ):yesAutomatic polarity exchange:yes Other characteristics see under four-lead methodEarth Resistance (two test clamps) : A1018+A1019 Continuity (continuous measurement)Display range:0.0 Display range:0 ÷ 19.99 W 20.0 ÷ 100.0 W ÷ 199.9 W 200 ÷ 1999 W Basic accuracy:±(10 % + 2 D) ±(20 %) >
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