Installation and operation in Class I Div. 2 environment (CM444R and CM448R) Liquiline CM442R/CM444R/CM448R
162 Endress+Hauser
15.12 Mechanical construction
15.12.1 Dimensions
→ "Installation" section
15.12.2 Weight
15.12.3 Material
16 Installation and operation in Class I Div. 2 environment
(CM444R and CM448R)
16.1 Environment/properties
Non-sparking device for use in specified, explosive environment in accordance with:
• cETLus Class I Div. 2
• Gas group A, B, C, D
• Temperature class T4A, 0 °C (32 °F) < T
a
< 55 °C (131 °F)
• Control Drawing: 403936
Depending on version
CM442R (fully configured) Approx. 0.45 kg (1 lbs)
CM444R and CM448R (fully configured) Approx. 0.95 kg (2.1 lbs)
Individual module Approx. 0.06 kg (0.13 lbs)
External display (excluding cable) Approx. 0.56 kg (1.2 lbs)
External power unit (CM444R, CM448R) See Operating Instructions of power unit
DIN rail housing PC-FR
Display cover PC-FR
Soft keys EPDM
Display seal EPDM
Module covers PBT GF30 FR
Terminal strip Nickel-plated brass
Ground terminals Stainless steel 1.4301 (AISI304)
Screws Stainless steel 1.4301 (AISI304)
Mounting plate (display) Stainless steel 1.4301 (AISI304)
Securing screws (display) Steel, galvanized
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