MI 3288 Earth Insulation Tester is a portable, battery powered test instrument with excellent IP protection and designed for high altitude (300 V CAT III at 4000 m).
MEASURING FUNCTIONS
• Earth resistance 4 - pole
• Selective earth resistance with 1 clamp
• Specific earth resistance Ro Wenner and Schlumberger method
• Earth resistance with 2 iron clamps
• Earth potential
• Step and touch voltage measurement with external P/S probe
• Insulation resistance with DC voltage from 50 V to 2500 V and PI, DAR calculation
• Varistor test 2,5 kV
• Current measurements with clamps AC
• TRMS voltage and frequency measurements
• Low Ohm measurements with 7 mA and 200 mA DC test current
KEY FEATURES
• Possibility of performing all main types of earth measurements with a single instrument
• Multi-frequency test signal for best noise immunity
• Insulation range: wide range of insulation test voltages from 50 V to 2500 V, resistance measuring range up to 100 GΩ
• Overvoltage category 600 V CAT II, 300 V CAT III; at 4000 m above sea level
• 4.3’’ colour LCD display with touch screen
• Programmable AUTO SEQUENCEs
• High degree of protection
• 4-wire 200 mA DC resistance measurement
• Support for single or automated measurements
• Built-in charger and rechargeable Li-ion batteries as standard accessory
• BT communication with PC, Android tablets and smart phones via built-in BT
• PC SW Metrel ES Manager for measurement pre and post processing: preparation of the test structure, result download, tree-view, table view and graphical view, storing and printing