A. INTRODUCTION
1. Congratulations!!
Thank you for purchasing TPI products. The 721 is easy
to use and is built to last. It is backed by a 3 year limit-
ed warranty. Please remember to complete and return
your product warranty registration card.
2. Product Description
The ergonomically designed 721 is a hand-held, com-
bustible gas leak detector. It is capable of finding com-
bustible gas leaks in pipes, fittings, regulators, etc.
Additional features include the capability to display
%LEL, leak level in ppm, and user adjustable alarm
point.
The 721 comes complete with the following accessories:
Carrying Pouch (A780)
Instruction Manual
Battery & Sensor (Installed & Calibrated)
TABLE OF CONTENTS
A. INTRODUCTION
1.
Congratulations ..........................3
2.
Product Description ....................3
B. SAFETY CONSIDERATIONS
..............4
C. TECHNICAL DATA
1.
Features and Benefits..................5
2.
Product Applications ..................5
3.
Specifications..............................6
D. MEASUREMENT TECHNIQUES
1.
Controls and Functions ..............7
2.
Step by Step Procedures: ..........9
E.
ADDITIONAL FEATURES
..................12
F.
TROUBLE SHOOTING GUIDE
..........15
H. MAINTENANCE
................................15
I.
ACCESSORIES
................................15
2
3
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