MI 3123 SMARTEC Earth / Clamp Main Features: • Supports all types of earthing resistance measurements: - Standard earthing resistance measurement with spikes - Selective earthing resistance test with one current clamp - Selective (contact less) earthing resistance with two current clamps - Specific earth resistance measurement • Leakage current tests with current clamps • Load current tests with current clamps • High accuracy, high immunity against external noise • Preprogrammed limits • PASS/FAIL evaluation of measurement result • Bright GREEN/RED indicators provides visual evaluation of results • Suited for testing on CAT IV installations • Magnetic holder enables hands-free operation • Built-in battery charger • Two level memory structure for saving test results and parameters • Basic downloading with EuroLink PRO PC SW package • Compatible with EuroLink PRO Plus PC SW package • USB and RS232 ports • Robust and ergonomic design Professional solution for smart operator • Testing earthing resistance • Testing main earthing of objects • Testing resistance of individual earthing rods in large systems • Testing lightning systems • Determination of soil resistivity • Designing of earthing systems • Testing on CAT IV installations (outside installations, main distribution boards, industrial plants) Instrument: IEC/EN 61557 Parts 1,5,10 IEC/EN 61010-1 IEC/EN 61326 Applications: IEC/EN 60364 VDE 100 BS 7671 17th edition CEI 64.8 Two clamps method for testing ground resistance of object on TN system

Technical specifications Ordering information Earth resistance Earth resistance 4-wire method and Earth resistance one clamp method Measuring range according to EN61557 is 0.67 Ω ÷ 9999 Ω Measuring range R (Ω) Resolution (Ω) 0.00 ÷ 19.99 0.01 20.0 ÷ 199.9 0.1 200 ÷ 1999 1 2000 ÷ 9999 1 Automatic test of probe resistance yes Automatic test of voltage noise yes Open-terminal test voltage 40 VAC Test voltage frequency 125 Hz Short-circuit test current < 20 mA Low clamp current indication yes Noise current indication yes Accuracy ±(3 % of reading + 3 digits) ±(3 % of reading + 3 digits) ± 5 % of...