MadgeTech RHTemp1000IS User Manual

RHTemp1000IS Intrinsic Safety User Notice

Intrinsic Safety Approval:

The RHTemp1000IS has been certified by FM Approvals as Intrinsically Safe
(IS) for use in Class I, Division 1, groups A, B, C, D, and Nonincendive (NI) for
use in Class I, Division 2, groups A, B, C, D Hazardous (Classified) Locations.
The rating listed in the Factory Mutual approval guide is as follows:

RHTemp1000is. Temperature and Humidity Recorder.

IS / I / 1 / ABCD T4A Ta=80°C; NI / I / 2 / ABCD / T4A Ta=80°C

These are the only safety ratings relevant to the use of this product. Use of this
product in hazardous environments not specifically covered by this rating, is
prohibited, unless the user takes the appropriate steps to ensure the safety of
the product and assumes full responsibility for its safe use. Refer to the
reference sections at the end of this document for further information on
approval standards and environments.

Conditions of Use:

The following conditions must be satisfied to maintain the IS rating of the
RHTemp1000IS:

 When used in hazardous locations, the RHTemp1000IS is to be

installed prior to the location becoming hazardous, and
removed only after the area is no longer hazardous.

 The maximum allowed ambient temperature for the RHTemp1000IS

(under any circumstances) is 80°C. The minimum rated operating
temperature is -20°C.

 The RHTemp1000IS approved for use only with the Tadiran TL-

2150/S battery. Replacement with any other battery will void
the safety rating.

 Batteries are user replaceable, but are to be removed or replaced only

in locations known to be non-hazardous.

 Tampering or replacement of non-factory components may adversely

affect the safe use of the product, and prohibited. Except for
replacement of the battery, the user may not service the
RHTemp1000IS. MadgeTech, Inc. or an authorized representative
must perform all other service to the product.

DOC-1271036-IS

Standard

Date

Title

FM Class 3600

2011

Electrical Equipment for Use in
Hazardous (Classified) Locations,
General Requirements

FM Class 3610

2010

Intrinsically Safe Apparatus and
Associated Apparatus for Use in Class I,
II and III, Division 1 and Class I, Zone 0
and 1 Hazardous (Classified) Locations

FM Class 3611

2004

Non-incendive Electrical Equipment for
Use in Class I and II, Division 2 and
Class III, Divisions 1 and 2 Hazardous
(Classified) Locations

FM Class 3810
Including
Supplement #1

2005
1995

Electrical Equipment for Measurement,
Control, and Laboratory Use

 The RHTemp1000IS enclosure does not carry a NEMA rating, as there

are openings in the enclosure for measuring humidity. For this reason,
the product is only suitable for use in indoor locations.

Required Labeling:

The following label must be engraved to the enclosure of the RHTemp1000IS. It
contains critical information for the safe use of the product.

Reference Standards:

The RHTemp1000IS complies with the following standards: