How To Clean The Top Surface Of The Device; How To Clean Horn Antennas Under Process Conditions - Honeywell RM640 Handbook

SERVICE
7
CAUTION!
Use multi-purpose grease that is applicable for the operating temperature range of the O-ring
with the properties that follow:
Operating temperature range of -40...+130
•
lubrication of the O-ring
Without silicone
•
The bonding properties must be satisfactory
•
Lithium-saponified
•
• Water-resistant
Agrees with the O-ring material
•

7.1.3 How to clean the top surface of the device

WARNING!
Do not let more than 5 mm / 0.2
possible source of ignition in a potentially explosive atmosphere.
DANGER!
Risk of electrostatic discharge from the gray plastic sun cover.
Obey these instructions:
• Keep the thread of the terminal compartment cover clean.
• If dirt collects on the device, clean it. Wipe the plastic sun cover with a damp cloth.

7.1.4 How to clean horn antennas under process conditions

If it is possible that there will be build-up or condensation, purging options are available for
Metallic Horn antennas. Purge the antenna at intervals to make sure that the inner surface of
the antenna stays clean and the device measures accurately. For more data about dimensions,
Dimensions and weights
refer to
WARNING!
Purge the antenna with a dry gas that is applicable to the process.
CAUTION!
Purge the antenna at intervals to make sure that the inner surface of the antenna stays clean
and the device measures accurately.
For more data, refer to the table that follows:
122
° C / -40...+266
¨ of dust collect on the top surface of the device. This is a
on page 141 (Purging option).
www.honeywellprocess.com
° F without a negative effect on the
34-VF-25-131 iss.1 GLO Feb 2019 US
RM640