Endress+Hauser iTEMP HART TMT142 Manuel De Mise En Service page 82

Technical data
Repeatability
Influence of supply voltage
Long-term stability
Influence of ambient
temperature (temperature
drift)
82
K, J, T, E, L, U
Thermocouples (TC) N, C, D
S, B, R
1) % relates to the set span. Accuracy = digital + D/A accuracy
2) Only with the "Advanced Electronics" option
Measuring range
10 to 400 Ω
Resistance transmitter
10 to 2000 Ω
(Ω)
Voltage transmitter (mV) -20 to 100 mV
1) % relates to the set span. Accuracy = digital + D/A accuracy
2) Only with the "Advanced Electronics" option
Physical input range of the sensors
10 to 400 Ω
Cu10, Cu50, Cu100, polynomial RTD, Pt50, Pt100, Ni100, Ni120
10 to 2000 Ω
Pt200, Pt500, Pt1000, Ni1000
-20 to 100 mV Thermocouple type: C, D, E, J, K, L, N
-5 to 30 mV Thermocouple type: B, R, S, T, U
0.03% of the physical input range (15 Bit)
Resolution A/D conversion: 18 Bit
With the "Advanced Electronics" option:
0.015% of the physical input range (16 Bit)
≤ ±0.005%/V deviation from 24 V, related to the full scale value
≤ 0.1 K (0.18 °F)/year or ≤ 0.05%/year
Data under reference conditions. % relates to the set span. The larger value applies.
Total temperature drift = input temperature drift + output temperature drift
Effect on the accuracy when ambient temperature changes by 1 K (1.8 °F)
Input 10 to 400 Ω
0.002% of measured value
Input 10 to 2000 Ω
0.002% of measured value
Input -20 to 100 mV typ. 0.002% of measured value (maximum
value = 1.5 x typ.)
Input -5 to 30 mV typ. 0.002% of measured value (maximum
value = 1.5 x typ.)
Output 4 to 20 mA typ. 0.002% of measured value (maximum
value = 1.5 x typ.)
1) Only with the "Advanced Electronics" option
typ. 0.5 K (0.9 °F) typ. 0.25 K (0.45 °F)
typ. 1 K (0.18 °F) typ. 0.5 K (0.9 °F)
typ. 2 K (3.6 °F) typ. 1 K (1.8 °F)
Accuracy
Digital
± 0.08 Ω ± 0.04 Ω
± 1.6 Ω ± 0.8 Ω
2
± 20 μV ± 10 μV
0.001% of measured value
0.001% of measured value
typ. 0.001% of measured value
value = 1.5 x typ.)
typ. 0.001% of measured value
value = 1.5 x typ.)
typ. 0.001% of span
1.5 x typ.)
TMT142
2
0.02%
2
0.02%
2
0.02%
1)
D/A
2)
0.02%
0.02%
2
0.02%
1)
1
1
(maximum
1
(maximum
1
(maximum value =
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