Recommended - Siemens SITRANS L LU240 Compact Operating Instructions

Direct sunlight
Device damage.
The device can overheat or materials become brittle due to UV exposure.
● Protect the device from direct sunlight.
● Make sure that the maximum permissible ambient temperature is not exceeded. Refer to
NOTICE
Mounting location
● Ideally, mount device so that face of transducer is at least 300 mm (1 ft) above the highest
5.1.1.1

Recommended

● Ambient temperature within –40 to +80 °C (–40 to +176 °F)
● Process temperature within –40 to +85 °C (–40 to +185 °F)
● Environment suitable to the housing rating and materials of construction
● Sound path perpendicular to the material surface
● Display and local buttons easily accessible for programming
● Cable entries easily accessible for wiring
● Sufficient room to open device lid with clear access
● Mounting surface free from vibration
● Place for a laptop computer provided for on-site configuration (optional, as laptop not
required for configuration)
NOTICE
Device rotation
The device can be rotated separate from the process connection.
● There is no limit to the number of times device can be rotated without damage.
SITRANS Probe LU240 with mA/HART
Compact Operating Instructions, 10/2018, A5E42673704-AB
CAUTION
the information in Operating conditions (Page 52).
anticipated material level.
Installing/mounting
5.1 Basic safety notes
19