Ground resistance meter IS-05

Measurement of resistance of grounding elements, metal connections, continuity of protective conductors by two and three-wire method.

Measurement of AC voltage (noise).

Peculiarities

automatic selection of measurement ranges;
shock-resistant, dust- and moisture-proof housing, degree of protection IP54;
automatic switch to power-saving mode 2.5 minutes after the end of measurements;
LCD display;
indication of the state of the internal power supply;
powered by five replaceable AA batteries;
protection against incorrect inclusion;
high noise immunity.
Specifications

1 Earth resistance measurement

Resistance measurement ranges

Permissible value of resistance in connection circuits, no more

Limits of permissible basic absolute error of resistance measurements

current

T1 - T2

potential

T1 - P

0.01 to 9.99 ohms

1 kOhm

40 kOhm

± (0.03∙R+3 units)

0.1 to 99.9 ohms

10 kOhm

from 1 to 999 ohm

40 kOhm

1.00 to 9.99 kΩ

The maximum allowable amplitude value of the interference voltage

24 V

Measuring voltage and current

no more than 42 V and 25 mA, frequency 128 Hz

2 Measurement of the amplitude value of the AC voltage

Measuring range

from 1 to 300 V

Limits of permissible basic absolute error of measurements of the amplitude value of the AC voltage, V

±(0.05∙U+3 units)

AC voltage frequency, Hz

from 45 to 400

Notes 1) u.m.r – unit of the least significant digit;

                     2) R, U, - the values of the measured, respectively, resistance and voltage

Additionally:

Power - 5 x 1.5 V AA batteries;

Operating temperature range - from -10 ºС to +55 ºС;

Degree of protection of the body - IP54;

Overvoltage category - CAT IV 300 V.