News Details
Extech Launches Compact Multimeter to Measure VFD Parameters
26 July 2017

Extech Instruments, a leader in test and measurement tools, has announced the launch of Extech MN62-K, a versatile kit that includes Extech’s MA62 True RMS digital multimeter (DMM) and DV23 AC voltage detector. The MN62 is optimized for electrical installations and repairs in residential or commercial wiring, HVAC/R work and plant maintenance. The compact DMM has full-size capabilities such as True RMS accuracy and a low pass filter mode to manage noisy signals. On HVAC/R equipment or at manufacturing plant sites, where equipment like motors, pumps and blowers are regulated by variable frequency controls or drives, a low pass filter can be activated to reduce high-frequency noise that can result in inaccurate measurements. The MN62’s low pass filter mode complements its True RMS capability, adjusting for distorted, nonsinewave signals to ensure more accurate readings when conducting diagnostic work or repair jobs. The kit also includes DV23 non-contact voltage (NCV) detector. This pen-sized, goanywhere safety tool quickly identifies the presence of voltage on live wires (from 50 to 600V), accessing hard-to-reach spots. Users are alerted with both a visual LED indicator and an audible alert. When only a quick check is needed or for spot checks when the DV23 is out of reach, users can opt for the MN62’s built-in non-contact voltage detector. The 4-digit display (4,000 count) can be illuminated for use in poorly lit job sites. The 10-function multimeter measures AC/DC voltage, AC/DC current, AC/DC microamp current, resistance, frequency, and capacitance. The meter can also be used for continuity testing and diode testing. The meter is rated to Category III 600V overvoltage safety rating and the voltage detector is rated to Category IV- 600V. MA62-K kit comes complete with the multimeter, NCV detector, test leads, two AA and two AAA batteries.

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