66
10 Supplement
LBR • Two-wire 4 … 20 mA/HART
62273-EN-200520
0°C / 32°F
-40°C / -40°F
80°C / 176°F
54°C / 129°F
49°C / 120°F
63°C / 145°F
200°C
392°F
150°C
302°F
100°C
212°F
50°C
122°F
80°C
176°F
-40°C
-40°F
1
/
2 3
4
A
B
Fig. 38: Derating, ambient temperature, metal-jacketed lens antenna up to +200 °C (+392 °F)
A Ambient temperature
B Process temperature
1 Aluminium housing
2 Plastic housing
3 Stainless steel housing (precision casting)
4 Stainless steel housing (electropolished)
1
2
0 °C
(32 °F)
-40 °C
(-104 °F)
80 °C
(176 °F)
80 °C
(176 °F)
-40 °C
(-104 °F)
Fig. 39: Derating, ambient temperature, plastic horn antenna
1 Ambient temperature
2 Process temperature
