Introduction; Safety - Extech Instruments 382252 User Manual

Introduction

Congratulations on your purchase of the Extech 382252 Earth Ground Resistance Tester Kit. This
device can measure Earth Ground Resistance (in 3 ranges), Earth Voltage and Resistance (up to
200kand AC and DC voltage. This device was designed to meet EN61010-1 safety standards.
Careful care and use of this meter will provide years of reliable service.

Safety

Please read the following safety information carefully before attempting to operate the meter and
use the meter only as specified in this manual.
Environmental safety information

Do not use meter outdoors when precipitation is likely

Installation Category III

Pollution degree 2

Altitude: 2000 meters max.

Ambient conditions: 32 to 104

Observe the following international safety warning symbols
Safety Symbols
Organizations that provide rules and guidelines for proper grounding
 The National Electrical Code (NEC)
 Underwriters Laboratories (UL)
 National Fire Protection Association (NFPA)
 American National Standards Institute (ANSI)
 Occupational Safety Health Administration (OSHA)
 Telecommunications Industry Standard (TIA)
o
F (0 to 40
Caution: Refer to this manual before using this meter
Dangerous Voltages
Meter is protected throughout by double or reinforced insulation
o
C); RH: 80% max
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