Field of application of micromillikiloohmmeter MIKO-2.3

7 september 2015

MIKO-2.3 is a portable mini-laboratory allowing performing of all tasks connected with resistance measurement in electrical equipment as this instrument operates in four modes: microohmmeter, milliohmmeter, kiloohmmeter and thermometer.

All types of electrical equipment (transformers, electrical machines and electrical switching devices) require different means for full-rate diagnostics. However in case of direct-current resistance measurement the multipurpose instrument MIKO-2.3 can be used.

Measured circuit	Measuring mode MIKO-2.3		Measuring range MIKO-2.3	Standard resistance range of measured circuit
High-voltage circuit breakers (oil, magnetic, air, sulfur-hexafluoride and vacuum)
Resistance of main contacts of high-voltage circuit breakers	microohmmeter	µΩ	from 1 to 10⁵µOhm	from 8 to 2000 µOhm
Resistance of winding of switching on/off electromagnet	milliohmmeter	mΩ	from 0.1 to 1000 Ohm	from 1 mOhm to 100 Ohm
Resistance of winding of drive spring engines	milliohmmeter	mΩ	from 0.1 to 1000 Ohm	from 0.5 to 100 Ohm
Resistance of preswitched on resistors	kiloohmmeter	kΩ	from 0.1 to 300 kOhm	from 100 to 1000 Ohm
Resistance of air circuit breakers engines (Ohmmeter)	kiloohmmeter	kΩ		from 100 Ohm to 15 kOhm
Resistance of compensating resistors of circuit breakers of MKP-110 type	kiloohmmeter	kΩ		from 750 to 1000 Ohm
Load-break switches (magnetic, sulfur-hexafluoride and vacuum)
Resistance of circuit breaker main contacts	microohmmeter	µΩ	from 1 to 10⁵µOhm	from 8 to 2000 µOhm
Resistance of winding of switching on/off electromagnets	milliohmmeter	mΩ	from 0.1 to 1000 Ohm	from 1 mOhm to 100 Ohm
Resistance of winding of drive spring engines	milliohmmeter	mΩ	from 0.1 to 1000 Ohm	from 0.5 to 100 Ohm
Disconnecting, isolating and short-circuiting switches
Resistance of main contacts	microohmmeter	µΩ	from 1 to 10⁵µOhm	from 8 to 2000 µOhm
Resistance of winding of drive spring engines	milliohmmeter	mΩ	from 0.1 to 1000 Ohm	from 1 mOhm to 100 Ohm
Metal-clad switchgears of internal and external installations
Resistance of main contacts	microohmmeter	µΩ	from 1 to 10⁵µOhm	from 8 to 2000 µOhm
Resistance of main contacts	milliohmmeter	mΩ	from 0.1 to 1000 Ohm	from 8 to 2000 µOhm
Resistance of winding of switching on/off electromagnets	milliohmmeter	mΩ	from 0.1 to 1000 Ohm	from 1 mOhm to 100 Ohm
Resistance of winding of drive spring engines	milliohmmeter	mΩ	from 0.1 to 1000 Ohm	from 0.5 to 100 Ohm
Power transformers, autotransformer and oil-immersed reactors
Measuring of direct-current resistance of transformer winding	milliohmmeter	mΩ	from 0.1 to 1000 Ohm	from 0.5 mOhm to 10 Ohm
Voltage transformers (electromagnetic and capacitive)
Measuring of direct-current resistance of winding	milliohmmeter	mΩ	from 0.1 to 1000 Ohm	from 0.05 to 500 mOhm
Measuring of direct-current resistance of winding	kiloohmmeter	kΩ	from 0.1 to 300 kOhm	from 100 Ohm to 100 kOhm
Current transformers
Resistance of current and voltage transformer secondary	milliohmmeter	mΩ	from 0.1 to 1000 Ohm	from 0.05 to 500 mOhm
Collecting and connecting bus-bars
Testing of cable and bus connections	microohmmeter	µΩ	from 1 to 10⁵µOhm	from 1 to 100 µOhm
Силовые кабельные линии
Monitoring of cable lines	milliohmmeter	mΩ	from 0.1 to 1000 Ohm	from 1 mOhm to 100 Ohm
Cut-outs and fuse-disconnectors for the voltage of more than 1kV
Measuring of direct-current resistance of conducting part of fuse-disconnector cartridge	milliohmmeter	mΩ	from 0.1 to 1000 Ohm	from 0.1 to 10 mOhm
Contact connection of wires, protective earth wires, collecting and connecting bus-bars
Measuring of transient resistance	microohmmeter	µΩ	from 1 to 10⁵µOhm	from 1 to 100 µOhm
Electric equipment of excitation systems of generators and synchronous compensators
Measuring of direct-current resistance of transfer winding and electrical machines in excitation systems	milliohmmeter	mΩ	from 0.1 to 1000 Ohm	from 0.5 mOhm to 10 Ohm
Electric installations of buildings and structures (automatic circuit breakers)
Contact testing	microohmmeter	µΩ	from 1 to 10⁵µOhm	from 1 to 100 µOhm
Wagons, rails
Monitoring of rail resistance	microohmmeter	µΩ	from 1 to 10⁵µOhm	from 100 µOhm to 100 Ohm
Monitoring of rail resistance	milliohmmeter	mΩ	from 0.1 to 1000 Ohm	from 100 µOhm to 100 Ohm
Monitoring of wagon wheel pairs resistance	milliohmmeter	mΩ	from 0.1 to 1000 Ohm	from 1 to 100 mOhm