Specications | 2-5
Dry Gas Supply (Purge Air)
A dry atmosphere within the Thermoelectric Cooler (TEC) compartment
is necessary to prevent ice from forming, which can damage the cooler. A
dry atmosphere can be created by connecting the Flame Arrestor Fitting
on the Cooler Housing to a purge gas supply (typically N
2
) or to a dry gas
supply – such as air – with a water dewpoint temperature less than -40 °C
(-40 °F) and a flow rate less than 15 L/day (0.53 CFD). The purge gas pres-
sure upstream of the Flame Arrestor Fitting cannot exceed atmospheric
pressure by more than 1 PSIG (70 mBAR). (Dry gas supplied by the cus-
tomer/end user.)
Before operating the Model 241CE II Analyzer, a Flame Arrestor Fit-
ting must be installed on the Cooler Housing (to a dry gas supply).
This fitting and an associated Flow Restrictor is supplied by AM-
ETEK. Failure to install a dry gas supply meeting these specifications
voids the warranty of the Peltier Cooler.
Approvals and Certications
UL/CSA: CSA General Safety Requirements
Class I, Division 1, Groups C and D; Ex d IIB T3 (Class I,
Zone 1, Group IIB)
ATEX: Certificate No.: KEMA 02ATEX2121 X
II 2 G Ex db IIB T4 Gb
IECEx : Certificate No.: IECEx DEK12.0052X
Ex db IIB T4 Gb
GOST: 1ExdIIBT3 X
GOST Pattern Approval
CE Compliance:
Complies with all relevant European Directives
EMC: Electromagnetic Compatibility Directive 2014/30/EU,
with EN 61326 Industrial
LVD: Low Voltage Directive 2014/35/EU, with EN 61010-1
PED: Pressure Equipment Directive 2014/68/EU
Article 4, Paragraph 3
RoHS: Restriction of Hazardous Substances Directive 2011/65/EU
(RoHS 2)
!
CAUTION
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