RECKMANN R14 Series, Operating Instructions Manual

Page: 17 / 40

Ex-BA line sensor
17
Doc 141917 | Rev. 03 [Type codes of the models]
The permissible process temperature [°C] depends on the maximum input power (P
i
) and the
temperature class.
T
process
= T
max
– P
i
x R
th
Power ratings
R
th
= 281 at WR14-*150-**** and WR14-*200-**** (not isolated):
Temperature class P
i
= 20 mW P
i
= 50 mW P
i
= 250 mW P
i
= 500 mW P
i
= 750 mW
T1 (450°C) 434 426 369 300 229
T2 (300°C) 284 276 219 150 79
T3 (200°C) 189 181 124 55 /
T4 (135°C) 124 116 59 / /
T5 (100°C) 89 81 24 / /
T6 (85°C) 74 66 9 / /
Tab. 2: WR14 – Rth 281 power ratings
R
th
= 183 at WR14-*300-****:
Temperature class P
i
= 20 mW P
i
= 50 mW P
i
= 250 mW P
i
= 500 mW P
i
= 750 mW
T1 (450°C) 436 430 394 348 302
T2 (300°C) 286 280 244 198 152
T3 (200°C) 191 185 149 103 57
T4 (135°C) 126 120 84 38 /
T5 (100°C) 91 85 49 3 /
T6 (85°C) 76 70 34 / /
Tab. 3: WR14 – Rth 183 power ratings