2.2 Prolevel FMC 661 installation
Location Where possible, find a shady, protected spot in which to mount the Prolevel transmitter:
• Nominal operating temperature: 0°C…+60°C
Use a protective hood or provide cooling if the ambient temperature exceeds +60°C. For
temperatures below -20°C insulate the instrument.
Mounting The Prolevel FMC 661, with IP 66 protective housing, can be mounted on a wall or post
outdoors or in the control room. Fig. 2.3 gives details for wall mounting.
Fig. 2.4 shows how the Prolevel can be
post-mounted with the all-weather cover.
The fastenings (nuts and bolts) for both
post mounting and all-weather cover are
supplied with the units.
•
Post mounting
:
Material: galvanised steel
(for 2" post Order No. 919 566-0000;
for 1" post: 919 566-1000);
stainless steel 1.4301 (≅ SS 304 H)
(for 2" post Order No. 919 566-0001;
for 1" post: 919 566-1001);
Weight: 1 kg
•
Prolevel all-weather cover:
Material: Aluminium, blue paint-finish;
Order No. 919567-000
Material: Steel 1.4301 (≅SS 304 H),
blue paint-finish; Order No. 919567-001
BA142_11
292
min. 52
106
253
275.5
gap
min. 69
201
ø 4.5
Fig. 2.3:
Dimensions in mm of Prolevel
FMC 661 housing
1" = 25.4 mm
BA142_12
Fig. 2.4:
Post-mounting with all-weather cover
Chapter 2: Installation Prolevel FMC 661
14 Endress+Hauser
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