Metrel MI 3290 Earth Testers (0.010 Ω ,..., 199.9 Ω; 0.00 Ω, ..., 100 Ω)

Earth resistance (2, 3, 4-pole):

0.010 Ω ... 19.99 kΩ / ±(3 % of reading + 3 digits)

0.00 Ω ... 1.999 kΩ / ±(5 % of reading + 3 digits)

0.00 Ω ... 199.9 Ω / ±(8 % of reading + 3 digits)

Selective earth resistance with iron clamp:

0.010 Ω ... 19.99 kΩ / ±(8 % of reading + 3 digits)

0.00 Ω ... 1.999 kΩ / ±(8 % of reading + 3 digits)

Earth resistance with two iron clamps:

0.00 Ω ... 9.99 Ω / ±(5 % of reading + 2 digits)

10.0 Ω ... 49.9 Ω / ±(10 % of reading + 2 digits)

50.0 Ω ... 100 Ω / ±(20 % of reading)

Specific earth resistance ρ (Wenner and Schlumberger method):

0.00 Ωm ... 19.99 kΩm / Calculated value

Earth potential: 0.0 mV ... 49.99 V / Calculated value

HF-Earth Resistance (3-pole):

0.00 Ω ... 19.9 Ω / ±(3 % of reading + 2 digits)

20.0 Ω ... 299 Ω / ±(3 % of reading + 2 digits)

Impulse Earth Resistance: 0.0 Ω ... 199 Ω / ±(8 % of reading + 8 digits)

DC Resistance (RLOW): 0.00 Ω ... 1.99 kΩ / ±(2 % of reading + 2 digits)

DC Resistance (CONT): 0.00 Ω ... 19.9 kΩ / ±(3 % of reading + 2 digits)

AC Impedance: 0.00 Ω ... 19.99 kΩ / ±(3 % of reading + 2 digits)

Current RMS (Iron Clamp): 1.0 mA ... 7.99 A / ±(2 % of reading + 3 digits)

Battery power supply: 14.4 V DC (4.4 Ah Li-ion)

Mains power supply: 90 ... 260 V AC, 45 ... 65 Hz, 100 VA (300 V CAT II)

Degree of protection: IP65 (case closed), IP54 (case open)

Dimensions (W × H × D): 36 cm × 16 cm × 33 cm

Display: 4.3'' colour LCD with backlight and touch screen

Communication: USB, Bluetooth

Memory: >1 GB

Datasheet