46
Notes on Approval
1
Marking
1.1
Marking on instrument label
Serial No.
1)
1.2
Marking inside battery compartment
Temperature Class T4, –20
o
C
≤
Ta
≤
+50
o
C
if used with alkaline batteries Energizer No. E91 or Energizer No.
EN91 (industrial) or Varta Type 4106 (power one) or Varta Type
4006
Temperature Class T3, –20
o
C
≤
Ta
≤
+40
o
C
if used with NiMH batteries GP 180AAHC (1800 mAh)
__________________
1) The year of manufacture is indicated by the third letter in the serial number:
T = 2003, U = 2004, W = 2005, X = 2006, Y = 2007, Z = 2008, A = 2009,
B = 2010, C = 2011, etc.
Example: Serial No. ARUH-0054: the third letter is U, which means that the
unit was manufactured in 2004.
00
7
2
389
7
_03.eps
2
Intended Operating Area and Operating Conditions
Hazardous Areas classified by Zones
The device is intended to be used in hazardous areas or mines sus-
ceptible to firedamp classified zone 1 or zone 2, within a tempera-
ture range of –20
o
C ... +50
o
C, where gases of explosion groups
IIA, IIB or IIC and temperature class T3 or T4 (depending on batter-
ies) may be present.
If used in mines, the device is only to be used in areas known to have
a low risk of mechanical impact.
3
Instructions for Safety
Use only approved batteries. See marking on instrument pack for
approved batteries an related Temperature Code.
4
List of standards
Information about the list of standards to which the device comlies is
given by a facsimile reproduction of the EC-Type Certificate and the
IECEx Certificate of Conformity in this Instructions for Use.
WARNING:
Do not change batteries in hazardous locations, risk of
explosion
WARNING:
To reduce the risk of explosion, do not mix new batteries
with used batteries, or mix batteries of different type or
manufacturer.
WARNING:
Remove batteries before servicing.
WARNING:
Remove instrument before opening and changing batteries.
WARNING:
Substitution of components may impair Intrinsic Safety.
CAUTION:
Not tested in oxygen enriched atmospheres
(>21% O
2
).
Summary of Contents for 83 19 400
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