User manual

MN30-en-GB_V1.0 10/16

Introduction

Thank you for selecting the Model MN30 True RMS

AutoSensing

Multimeter with Non-contact Voltage Detector

(NCV). The MN30 automatically senses AC Voltage, DC Voltage

or Resistance/Continuity measurement types. This device is

shipped fully tested and calibrated and, with proper use, will

provide years of reliable service. Please visit our website

(www.extech.com

) to check for the latest version of this User

Manual, Translations, Product Updates, Product Registration,

and Customer Support.

Features

• Unique smart AutoSensing

feature

• Non-contact Voltage Detector

• Automatic Power OFF (APO)

• Low battery indicator

• Rugged, battery operated, and portable

PER IEC1010 OVERVOLTAGE INSTALLATION CATEGORY

OVERVOLTAGE CATEGORY I

Equipment of OVERVOLT AGE CATEGORY I is equipment for connection to circuits in

which measures are taken to limit the transient over-voltages to an appropriate low

level.

Note – Examples include protected electronic circuits.

OVERVOLTAGE CATEGORY II

Equipment of OVERVOLTAGE CATEGORY II is energy-consuming equipment to be

supplied from the fixed installation.

Note – Examples include household, office, and laboratory appliances.

OVERVOLTAGE CATEGORY III

Equipment of OVERVOLTAGE CATEGORY III is equipment in fixed installations.

Note – Examples include switches in the fixed installation and some equipment for

industrial use with permanent connection to the fixed installation.

OVERVOLTAGE CATEGORY IV

Equipment of OVERVOLTAGE CATEGORY IV is for use at the origin of the installation.

Note – Examples include electricity meters and primary over-current protection

equipment.