Extech EZ40 Operating Manual

User's Guide

EzFlex™ Combustible Gas Leak Detector
Model EZ40

Introduction

Congratulations on your purchase of the Extech EZ40 Combustible Gas Leak Detector.
The EZ40 detects the presence of combustible gas and nuisance vapors (Natural Gas,
Methane, Ethane, Propane, Butane, Acetone, Alcohol, Ammonia, Steam, Gasoline, Jet
Fuel, Hydrogen Sulfide, Smoke, Industrial Solvents, Lacquer Thinner, Naphtha) in
concentrations as low as 10% LEL for Methane and alerts the user with audible and
visual alarms. The 16” (406mm) flexible gooseneck provides easy access in difficult to
reach locations. This meter is shipped fully tested and calibrated and with proper use will
provide years of reliable service.

Warranty

EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects
in parts and workmanship for one year from date of shipment (a six month limited warranty
applies on sensors and cables). If it should become necessary to return the instrument for
service during or beyond the warranty period, contact the Customer Service Department at
[phone] ext. 210 for authorization or visit our website at www.extech.com for
contact information. A Return Authorization (RA) number must be issued before any
product is returned to Extech. The sender is responsible for shipping charges, freight,
insurance and proper packaging to prevent damage in transit. This warranty does not
apply to defects resulting from action of the user such as misuse, improper wiring,
operation outside of specification, improper maintenance or repair, or unauthorized
modification. Extech specifically disclaims any implied warranties or merchantability or
fitness for a specific purpose and will not be liable for any direct, indirect, incidental or
consequential damages. Extech's total liability is limited to repair or replacement of the
product. The warranty set forth above is inclusive and no other warranty, whether written or
oral, is expressed or implied.

Description

3

1. Probe clip

2. Sensor tip guard & sensor

3. Alarm light

4. Ready light (Power-on)

5. On/Off slide switch

6. Earphone jack

7. Tick rate (sensitivity) adjustment

Note: Battery compartment is on rear of unit

4

2

5

1

6

7

2

EZ40 V1.0 05/06