Siemens 3RS2

Thermocouples
• Type J
• Type K
• Type T
• Type E
• Type N
• Type S
• Type R
• Type B
Details are provided in Chapter Thermocouples (Page 67).
5.8 Measuring ranges
Measuring range of resistance sensors
Sensor type Short-circuit moni‐
toring
Sensor wire break monitor‐
ing
Measuring range in
°C
Measuring range in
°F
Pt100 Yes Yes -50 ... +750 -58 ... +1382
Pt1000 Yes Yes -50 ... +500 -58 ... +932
KTY83-110 Yes Yes -50 ... +175 -58 ... +347
KTY84 Yes Yes -40 ... +300 -40 ... +572
NTC 1) Yes No +80 ... +160 +176 ... +320
1) NTC type: B57227-K333-A1 (100 °C: 1.8 kΩ; 25 °C 32.762 kΩ).
Measuring ranges of thermocouples
Thermocouple type Short-circuit moni‐
toring
Sensor wire break monitor‐
ing
Measuring range in
°C
Measuring range in
°F
J No Yes -99 ... +1200 -146.2 ... +2192
K No Yes -99 ...+1350 -146.2 ... +2462
T No Yes -99 ... +400 -146.2 ... +752
E No Yes -99 ... +999 -146.2 ... +1830.2
N No Yes -99 ... +1300 -146.2 ... +2372
S No Yes 0 ... +1750 +32 ... +3182
R No Yes 0 ... +1750 +32 ... +3182
B No Yes +400 ... +1800 +752 ... +3272
Digital devices
5.8 Measuring ranges
3RS2 temperature monitoring relay
Equipment Manual, 02/2022, A5E42462552002A/RS-AB/002 33