ii
10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ●
sales@tegam.com
NOTICES
Copyright Notice
© TEGAM, Inc., 2019
No part of this manual may be reproduced
in any form or by any means (including
electronic storage and retrieval or
translation into a foreign language)
without prior agreement and written
consent from TEGAM, Inc. as governed by
United States and international copyright
laws.
This Manual
Part Number:
921B-900
Revision A, April 2019
Supersedes: No prior revision.
Published by:
TEGAM, Inc.
10 TEGAM Way
Geneva, OH 44041
Disclaimer and Manual Revisions:
THE MATERIAL CONTAINED IN THIS
OPERATION MANUAL, AND ANY
COMPUTER SOFTWARE ASSOCIATED
WITH THIS OPERATION MANUAL OR THE
PRODUCTS COVERED BY IT, ARE
PROVIDED AS IS,AND ARE SUBJECT TO
CHANGE, WITHOUT NOTICE, IN FUTURE
REVISIONS.
This Operation Manual was current at the
time of publication. However, TEGAM is
dedicated to a process of continual
product improvement, and the products
covered by this Operation Manual, and
any associated computer software, are
subject to periodic functional and design
updates. Please visit tegam.com for the
most current product documentation.
U.S. Government Rights
This computer software and/or technical
data is proprietary information developed
exclusively at private expense. Computer
software and technical data rights granted
to the federal government include only
those rights customarily provided to the
public, pursuant to FAR 12.211 (Technical
data) and FAR 12.212 (Computer
software) for the federal government, and
DFARS 252.227-7015 (Technical data –
Commercial items) and DFARS 227-7202-
3 (Rights in commercial computer
software or commercial computer
software documentation) for the
Department of Defense. Except as
explicitly permitted by the foregoing,
reproduction for non-governmental use of
the information or illustrations contained
in this computer software and technical
data is not permitted.
Compliance and Markings
(This section, Compliance and Markings,
is controlled and may only be changed
with approval of the Notified Body.)
Handheld Thermometer for Hazardous
Locations Only as to Intrinsic Safety
0539 II 1G
Ex ia IIB T4 Ga
Class I, Division 1,Group C and D, T4
Class I, Zone 0 AEx ia IIB T4
Zone 0 Ex ia IIB T4 Ga
DEMKO 19 ATEX 1970 Rev. 0
IECEx UL 19.0010
-20 °C ≤Ta ≤+50 °C
Safety Notice Symbols and Terms
Safety Notices denote hazards. They
indicate an operating procedure,
instruction, or practice that, if not
correctly performed or followed, could
result in damage to equipment, or injury
or death to personnel. Do not proceed
beyond a Safety Notice until all conditions
and instructions are fully understood and
complied with.
Safety Notice Symbols:
WARNING
WARNING denotes an
imminent hazard that could
result in injury to personnel or
CAUTION
that could result in damage to
the unit or other equipment.
REMINDER denotes important
information about instrument
functions, menus, and
