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- Microprocessor controlled
- Alphanumerical display
- Resolution down to: 0.1 µΩ
- Resistance reading up to: 200 Ω
- Up to 200 A test current
- Kelvin-type (4 wires) measurement
- Powered by internal battery (up to 10 A) or mains supply
- Direct reading (up to 4½ digits)
- Overheating protection
- Serial data output (USB)
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The MPK204e high current micro-ohmmeter is a portable, microprocessor-controlled instrument, used to accurately measure very low contact resistances of breakers and switches, busbars, transformers winding and engines, etc, with test currents from 1 mA to 200 A.
It employs the 4 terminals-method to avoid measurement errors caused by test leads and their contact resistances. Resistances readings are shown in the alphanumeric display with up to 4½ digits-resolution. It allows to measure resistances up to 200 Ω, with a resolution of up to 0.1 µΩ.
Using its internal rechargeable battery, measurements with up to 10 A test current may be carried out without connecting the equipment to mains supply. Powered by mains supply, it allows to measure with any test current up to 200 A.
Measurement accuracy is guaranteed by an state-of-the-art signals amplification system, offset-free and of high long-term stability.
Test current may be adjusted by the operator in every one of the ranges and their values are measured using an analog indicator (bargraph), making it easy to measure resistances with a significant inductive component, as in the case of big transformers windings.
The high-current generation system is based on modern technology that allows to significantly decrease both its weight (35.27 lb | 16 kg) and size. The cabinet is made of plastic material highly resistant to impacts and to environmental challenges.
Internal thermal sensors in all sensitive components avoid any damaged caused to the instrument due to overheating.
This is a strong but lightweight equipment and may be easily carried by one person. It is water-resistant and can be used under severe weather conditions offering an excellent performance working both in the laboratory and out in the field.
