• 0.5% basic accuracy
  • Over-sized high contrast LCD display
  • Double molded housing
  • CAT III-600V
  • Manual ranging
  • 2000 count
  • 1.5V and 9V Battery tests


The Extech MN42 compact digital multimeter offers eight functions as well as non-contact voltage detection. The built-in non-contact voltage detector quickly checks for the presence of voltage from 100 to 600 VAC. Measurements are shown on an over-sized, high-contrast LCD display and double molded housing, the MN42 also offers CAT III-600V protection.

Other features of Extech MN42 compact digital multimeters include manual ranging, a 2000-count display and a basic accuracy of 0.5%. The MN42 measures AC and DC voltage to 600V and DC current to 10A. Offering a resistance of 2MΩ, this Extech digital multimeter also features diode/continuity measurement, as well as 1.5V and 9V battery tests.

The Extech MN42 compact digital multimeter ships complete with:

  • Test leads
  • 9V battery
  • Carrying case

Extech MN42 Compact Digital Multimeter Specifications

Feature Specification
Ranging Manual
Display Counts 2000
Basic Accuracy 0.5%
NC Voltage Detector 100 to 600 VAC
DC Voltage 600V (0.1 mV)
AC Voltage 600V (0.1 mV)
DC Current 10A (1 µA)
Resistance 2 MΩ (0.1Ω)
Diode/Continuity Yes
Battery Test 1.5V / 9V
Dimensions 5.9 x 2.75 x 1.8" (150 x 70 x 48mm)
Weight 9oz. (255g)