Endress+Hauser iTEMP TMT71 - Page 50

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Technical data iTEMP TMT71/72
Standard Designation Measuring range Measured error (±)
Type S (39) ≤ 1.08 °C (1.94 °F)
Type T (40) –150 to +400 °C (–238 to +752 °F) ≤ 0.23 °C (0.41 °F)
Digital
1)
D/A
2)
ME = ± (1.60 °C (2.88 °F) -
0.022% * (MV - LRV))
ME = ± (0.5 °C (0.9 °F) -
0.04% * (MV - LRV))
Type L (41)
DIN 43710
Type U (42)
GOST R8.8585-2001 Type L (43)
–150 to +900 °C
(–238 to +1 652 °F)
–150 to +600 °C
(–238 to +1 112 °F)
–200 to +800 °C
(–328 to +1 472 °F)
≤ 0.22 °C (0.4 °F)
≤ 0.15 °C (0.27 °F)
≤ 2.15 °C (3.87 °F)
ME = ± (0.39 °C (0.7 °F) -
0.008% * (MV - LRV))
ME = ± (0.45 °C (0.81 °F) -
0.025% * (MV - LRV))
ME = ± (2.3 °C (4.14 °F) -
0.015% * (MV - LRV))
Voltage transmitter
(mV)
1)
Measured value transmitted via HART
®
.
–20 to +100 mV 10.0 µV ME = ± (10.0 µV + 0.0018%
* (MV - LRV))
4.8 µA
2) Percentages based on the configured span of the analog output signal.
3) Maximum measured error for the specified measuring range.
4) Deviations from maximum measured error possible due to rounding.
MV = Measured value
LRV = Lower range value of relevant sensor
Total measured error of transmitter at current output = √(Measured error digital² +
Measured error D/A²)
Sample calculation with Pt100, measuring range 0 to +200 °C (+32 to +392 °F), ambient
temperature +25 °C (+77 °F), supply voltage 24 V:
Measured error digital = 0.05 °C + 0.006% x (200 °C - (-200 °C)): 0.07 °C (0.126 °F)
Measured error D/A = 0.003 % x 200 °C (360 °F) 0.06 °C (0.108 °F)
Measured error digital value (HART): 0.07 °C (0.126 °F)
Measured error analog value (current output): √(Measured error digital² + 0.10 °C (0.18 °F)
Measured error D/A²)
Sample calculation with Pt100, measuring range 0 to +200 °C (+32 to +392 °F), ambient
temperature +35 °C (+95 °F), supply voltage 30 V:
Measured error digital = 0.04 °C + 0.006% x (200 °C - (-200 °C)): 0.07 °C (0.126 °F)
Measured error D/A = 0.03 % x 200 °C (360 °F) 0.06 °C (0.108 °F)
Influence of ambient temperature (digital) = (35 - 25) x (0.013% x 200 °C - 0.05 °C (0.09 °F)
(-200 °C)), min. 0.003 °C
Influence of ambient temperature (D/A) = (35 - 25) x (0.003% x 200 °C) 0.06 °C (0.108 °F)
Influence of supply voltage (digital) = (30 - 24) x (0.007% x 200 °C - (-200 °C)), 0.02 °C (0.036 °F)
min. 0.005 °C
Influence of supply voltage (D/A) = (30 - 24) x (0.003% x 200 °C) 0.04 °C (0.72 °F)
50 V. 1, Rev. 2, 4-10-2018 Endress+Hauser