24
Publication 1747-SG001D-EN-P — January 2009
Thermocouple Temperature Ranges
Input
Temperature Range for All Modules
Accuracy Max. Error at +25 °C (+77 °F)
°C
°F
1746-NT4
1746-NT8
1746-INT4
J
-210…760 °C
-346…1400 °F
±1.06 °C (±1.91 °F)
±1.4 °C (±2.52 °F)
±1.6 °C (±2.88 °F)
K
-270…1370 °C
-454…2498 °F
±1.72 °C (±3.10 °F)
±1.5 °C (±2.7 °F)
±3.8 °C (±6.84 °F)
T
-270…400 °C
-454…752 °F
±1.43 °C (±2.57 °F)
±1.3 °C (±2.34 °F)
±2.05 °C (±3.69 °F)
B
-300…1820 °C
-572…3308 °F
±0.73 °C (±1.3 °F)
±1.0 °C (±1.8 °F)
±2.4 °C (±4.32 °F)
E
-270…1000 °C
-454…1832 °F
±1.39 °C (±2.5 °F)
±1.3 °C (±2.34 °F)
±1.79 °C (±3.23 °F)
R
0…1768 °C
32…3214 °F
±3.59 °C (±6.46 °F)
±3.6 °C (±6.48 °F)
±2.23 °C (±4.02 °F)
S
0…1768 °C
32…3214 °F
±3.61 °C (±6.5 °F)
±3.4 °C (±6.12 °F)
±2.38 °C (±4.29 °F)
N
0…1300 °C
32…2372 °F
±3.12 °C (±5.62 °F)
±2.7 °C (±4.86 °F)
±3.83 °C (±6.90 °F)
C
✶
0…2317 °C
32…4201 °F
N/A
N/A
±2.38 °C (±4.11 °F)
D
✶
0…2317 °C
32…4201 °F
N/A
N/A
±2.52 °C (±4.54 °F)
CJC Sensor 0…85 °C
32…185 °F
N/A
N/A
N/A
✶
Thermocouple type only available with 1746-INT4 module.
DC Millivolt Input Ranges for 1746-NT4, 1746-NT8, and 1746-INT4 Modules
Input Type
Range
Accuracy at 25 °C (77 °F)
±50 mV
-50 mV dc…+50 mV dc
50
μ
V
±100 mV
-100 mV dc…+100 mV dc
50
μ
V
RTD Input Modules
The RTD modules interface with platinum, nickel, copper, and nickel-iron RTDs, and with variable resistance devices such as
potentiometers (0 to 3000
Ω
maximum). The module provides on-board RTD temperature scaling in degrees Celsius and degrees
Fahrenheit or resistance scaling in ohms.
TIP:
Block transfers are required in a remote I/O configuration, using a 1747-ASB with a PLC.
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