Máy đo điện trở tiếp xúc MEGABRAS MPK204e micro-ohmmeter

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Máy đo điện trở tiếp xúc MEGABRAS MPK204e micro-ohmmeter

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Máy đo điện trở tiếp xúc MEGABRAS MPK204e micro-ohmmeter

Test currents

1 mA, 10 mA, 100 mA, 1 A, 10 A, 200 A.
Each current may be continuously adjustable from 0 to 100%.

Resistance ranges


IP54 with closed lid.

Safety class

Meets the requirements of IEC 61010-1.



Power supply

Mains or internal battery powered.
Internal battery: rechargeable, sealed lead-acid, 12 V - 7 Ah (for up to 10 A test current).
Mains supply: 220-240 V~ (for up to 200 A test current).

Built-in battery charger

For 220-240 V~ mains supply.

Operating temperature range

-5 °C to +50 °C.

Storage temperature range

-25 °C to +70 °C.

Humidity range

95% UR (non condensing).

Equipment weight

Approx. 16 kg.


502 x 394 x 190 mm.

Current Range Resolution
200 A 0-199.9 µΩ 0.1 µΩ
200 A 0-1999 µΩ 1 µΩ
10 A 0-1999 µΩ 1 µΩ
10 A 0-19.999 mΩ 1 µΩ
1 A 0-19.99 mΩ 10 µΩ
1 A 0-199.99 mΩ 10 µΩ
100 mA 0-199.9 mΩ 100 µΩ
100 mA 0-1999.9 mΩ 100 µΩ
10 mA 0-1999 mΩ 1 mΩ
10 mA 0-19.999 Ω 1 mΩ
1 mA 0-19.99 Ω 10 mΩ
1 mA 0-199.99 Ω 10 mΩ
For each test current, ranges are automatically selected for optimal reading.

Measurement Principle

Four-terminal, Kelvin-type.

Continuous operation time

At 200 A this equipment may be used continuously for aprox. 3 minutes before the thermal protection activates.
At 10 A or less, there is not a limited time for continuous operation.

Basic Accuracy

R < 0.5 mΩ: ± (0.50% of reading + 2 ULSD*).
R ≥ 0.5 mΩ: ± (0.20% of reading + 2 ULSD*).
* Units of the Least Significant Digit.

Advanced features

Digital direct reading of very low resistances in the alphanumerical display, with up to 4½ digits. Very fast and accurate measurements.

Termal protection

Protects all sensitive components, avoiding any damage due to overheating.

@ 2016 NAB
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