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10.3 Environmental conditions
Table 10-1: Environmental Conditions (Ordinary Location and Low
Voltage Directive (LVD))
Type
Location
Maximum altitude
Ambient temperature
Installation category
Electrical supply
Mains supply voltage fluctuations
Pollution degree
(1)
Outdoor use not part of Ordinary Location certification.
10.4 Telecommunication compliance
Rosemount 1408A, with the antenna extension fitted, is a device for
measurement of level in the open air or in an enclosure. When used
for measurement in an enclosure (i.e metallic or reinforced concrete
or fiberglass tanks, or similar enclosure structures made of
comparable attenuating material), the antenna extension may be
omitted.
Hardware Version Identification Number (HVIN) is 1408L.
Measurement principle
Frequency Modulated Continuous Wave (FMCW), 80 GHz
Maximum output power
3 dBm (2 mW)
Description
Indoor or outdoor use
6562 ft. (2000 m)
-40 to 176 °F (-40 to 80 °C)
DC supplied
18-30 Vdc, 3.6 W
Safe at 18-30 Vdc ±10%
2
(1)
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