Metrel MI 3123 SMARTEC Earth Clamp, Earth Resistance Tester

• Instrument Smartec Earth / Clamp
• Soft hand strap
• Test lead, 4.5 m (blue)
• Test lead, 4.5 m (red)
• Test lead, 20 m (green)
• Test lead, 20 m (black)
• Earth test rod, 4 pcs
• Power supply adapter + 6 NiMH rechargeable batteries, type AA
• Instruction manual on CD
• Short instruction manual
• Handbook on CD
• Calibration certificate

Measuring functions

• Earth resistance, 4-wire method;
• Earth resistance, 4-wire method with one current clamp (option);
• Earth resistance, two clamps method (option);
• Specific earth resistance;
• TRMS current (option).

Key features

• Earth resistance measurement: instrument performs standard 4-wire earth resistance tests with two earthing rods and specific earth resistance measurement.
• Selective earth resistance test: optional 4-wire earth resistance measurement in combination with an additional current clamp is used for measuring earth resistance of individual earthing rods.
• Contactless earth resistance test: earth resistance measurement with 2 current clamps without breaking the loop is intended for measuring resistance of individual earthing rods and is recommended first of all for urban areas.
• Downloadable: downloads via RS232 or USB cable directly to the PC with the help of the optional software.
• Upgradeable: if changes occur to the regulations upgrades can be made to the firmware to keep the instrument up to date.
• Help screens: instrument comes complete with built-in help screens for referencing on site.
• Built-in charger & rechargeable batteries: instrument has a built-in charging circuit and comes complete with a set of rechargeable NiMH batteries.  
• Custom limits: the limits can be set on any function, in that case large green and red lights of the LEDs will indicate a PASS or FAIL evaluation of test result.
• Easy to use: large bright LCD display and large buttons enable easy handling of the instrument (even while wearing gloves).
• Magnetic holder: magnet for fixing instrument on metal surfaces enables hands-free operation.