Features 1623

• One-button measurement concept
• 3- and 4-pole earth ground measurement
• 4-Pole soil resistivity testing
• 2-pole resistance measurement AC
• Selective testing, no disconnection of ground conductor (1 clamp)
• Stakeless testing, quick ground loop testing (2 clamps)
• Measuring frequency 128 Hz

Features 1625

• 3- and 4-pole earth ground measurement
• 4-Pole soil resistivity testing
• 2-pole resistance measurement AC
• 2- and 4-pole resistance measurement DC
• Selective testing, no disconnection of ground conductor (1 clamp)
• Stakeless testing, quick ground loop testing (2 clamps)
• Earth impedance measurement at 55 Hz
• Automatic frequency control (AFC) (94, 105, 111, 128 Hz)
• Measuring voltage switchable 20/48V
• Programmable limits, settings
• Continuity with buzzer
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