Introduction; Safety Instructions - Extech Instruments DT40M User Manual

Introduction

Thank you for selecting the Extech Laser Distance Meter. This meter
measures distance up to 40m (131.2') for DT40M, 60m (197') for
DT60M, or 100m (328.1') for DT100M and calculates Area, Volume,
and Indirect readings using the Pythagorean Theorem (a
also includes a laser pointer and a stakeout feature. Please visit
www.extech.com for the latest version of this User Guide, Product
Updates, and Customer Support.

Safety Instructions

This meter has been designed for safe use, but must
be operated with caution.
Laser classification (Class 2)
The meter produces a visible Class 2 laser beam from
the top of the instrument.
WARNING: Do not directly view or point the laser at an eye. Do not
look directly into the beam using an optical aid such as binoculars. This
can create a hazard. Low power visible lasers do not normally present a
hazard, but may present some potential for hazard if viewed directly for
extended periods of time.
 Please read all safety instructions carefully before using this
instrument
 Do not use this device in flammable or explosive environments
 Do not use this device near aircraft or medical equipment
 Do not use this device near strong electro-magnetic interference
 Do not aim the meter directly into sunlight
 Do not dis-assemble or modify the instrument
 Do not store in areas of high temperature/humidity
 Remove the batteries when storing the instrument for long periods
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