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8009441/YN36/V3-0/2015-08| SICK OPERATING INSTRUCTIONS|GM35
Subject to change without notice
PRODUCT OVERVIEW
2.2.1 GM35 options and accessories
• Cover plate for purge air fixture of the sender/receiver unit
to maintain purge air supply in cases where this must remain in operation at the
measuring location when the SR-unit is dismounted.
• Weatherproof covers for SR-unit and purge air unit
required for outdoor installation – dimension drawings,
see “Dimension drawings”,
page 116.
• Chart recorder, single or multi-channel
for measured value recording. Protocol(s) can of course be produced using customer sys-
tems.
• Air heater for purge air supply
for special application conditions to prevent condensate. An air heater is required when
the difference between gas temperature and dew point temperature is too low. The
following practical rule of thumb serves as guideline:
An air heater is required when
gas temperature [°C] – dew point temperature[°C] < abs. humidity [%].
Values are compared without considering the units of measure.
A Data Sheet for the fan heater is also available under Part No. 8 008 330.
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