Fluid Components International CMU - Manual (Page 18)

3.4.6 Ambient temperature
− 40 °C to + 60 °C (-40 °F to 140 °F)
3.4.7 Ambient temperature range
− 40 °C to + 60 °C (-40 °F to 140 °F); a special cable is required for temperatures below − 20 °C (-4 °F)
3.4.8 Storage temperature
− 25 °C to + 60 °C (-13 °F to 140 °F), − 40 °C (-40°F) available as special version
3.4.9 Climatic category
In conformity with IEC 654-1. Unsheltered class D locations with direct open-air climate.
3.4.10 Ingress protection
Standard version: IP 66 (NEMA 6); special version IP 68 (NEMA 6P) DIN EN 60529, if suitable and tightly
screwed down cable glands are used.
3.5 Operating conditions
3.5.1 Installation
The sensor is to be protected, wherever possible, against valves, manifolds and similar fittings that gen-
erate turbulence. The sensor is to be installed in accordance with the following instructions.
Diagram showing flowmeter installation
A
B C C C C
Flowmeter installation: A = sensor, B = valve, C = pipe clamps and supports
Under no circumstances is the
sensor to be used to support a
pipe.
Page 18 of 112
CMU & CT OPERATING MANUAL