Technical data Proline t-mass I 300 HART
178 Endress+Hauser
15.8 Environment
Ambient temperature
range
Measuring device • –40 to +60 °C (–40 to +140 °F)
• Order code for "Test, certificate", option JP:
–50 to +60 °C (–58 to +140 °F)
Readability of the local
display
–20 to +60 °C (–4 to +140 °F)
The readability of the display may be impaired at temperatures outside the
temperature range.
NOTICE
Danger of overheating
‣
Ensure that the temperature at the lower end of the transmitter housing does not
exceed 80 °C (176 °F).
‣
Ensure that sufficient convection takes place at the transmitter neck.
‣
When using in potentially explosive atmospheres, observe the information in the
device-specific Ex documentation. For detailed information on the temperature tables,
see the separate document entitled "Safety Instructions" (XA) for the device.
‣
Ensure that a sufficiently large area of the transmitter neck remains exposed. The
uncovered part serves as a radiator and protects the electronics from overheating and
excessive cooling.
‣
If operating outdoors:
Avoid direct sunlight, particularly in warm climatic regions.
You can order a weather protection cover from Endress+Hauser→ 159.
Storage temperature –50 to +80 °C (–58 to +176 °F), preferably at +20 °C (+68 °F)
Atmosphere If a plastic transmitter housing is permanently exposed to certain steam and air mixtures,
this can damage the housing.
In cases of doubt, please contact the Sales Center.
Degree of protection Measuring device
• As standard: IP66/67, type 4X enclosure
• When housing is open: IP20, type 1 enclosure
• Display module: IP20, type 1 enclosure
External WLAN antenna
IP67
Vibration- and shock-
resistance
Vibration sinusoidal, in accordance with IEC 60068-2-6
• 2 to 8.4 Hz, 3.5 mm peak
• 8.4 to 2 000 Hz, 1 g peak
Vibration broad-band random, according to IEC 60068-2-64
• 10 to 200 Hz, 0.003 g
2
/Hz
• 200 to 2 000 Hz, 0.001 g
2
/Hz
• Total: 1.54 g rms
Shock half-sine, according to IEC 60068-2-27
6 ms 30 g
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