Product Info
Table Of Contents
iTEMP TMT142
Endress+Hauser 9
Measured error for thermocouples (TC) and voltage transmitters
Standard Designation Measuring range Measured error (±)
Digital
1)
D/A
2)
Maximum
3)
Based on measured value
4)
IEC 60584-1 / ASTM
E230-3
Type A (30) 0 to +2 500 °C (+32 to +4 532 °F) ≤ 2.00 °C (3.6 °F)
ME = ± (1.0 °C (1.8 °F) +
0.026% * (MV - LRV))
0.03 % (
4.8 µA)
Type B (31)
+500 to +1 820 °C
(+932 to +3 308 °F)
≤ 2.1 °C (3.78 °F)
ME = ± (3.0 °C (5.4 °F) -
0.09% * (MV- LRV))
Type C (32)
0 to +2 000 °C (+32 to +3 632 °F)
≤ 1.00 °C (1.80 °F)
ME = ± (0.9 °C (1.62 °F) +
0.0055% * (MV - LRV))
ASTM E988-96 Type D (33) ≤ 1.1 °C (1.98 °F)
ME = ± (1.1 °C (1.98 °F) -
0.016% * (MV- LRV))
IEC 60584-1 / ASTM
E230-3
Type E (34)
–150 to +1 000 °C
(–238 to +1 832 °F)
≤ 0.4 °C (0.72 °F)
ME = ± (0.4 °C (0.72 °F) -
0.012% * (MV- LRV))
Type J (35)
–150 to +1 200 °C
(–238 to +2 192 °F)
≤ 0.4 °C (0.72 °F)
ME = ± (0.5 °C (0.9 °F) -
0.01% * (MV- LRV))
Type K (36) ≤ 0.5 °C (0.9 °F)
Type N (37)
–150 to +1 300 °C
(–238 to +2 372 °F)
≤ 0.7 °C (1.26 °F)
ME = ± (0.7 °C (1.26 °F) -
0.025% * (MV- LRV))
0.03 % (
4.8 µA)
Type R (38)
+50 to +1 768 °C
(+122 to +3 214 °F)
≤ 1.6 °C (2.88 °F)
ME = ± (1.6 °C (2.88 °F) -
0.04% * (MV- LRV))
Type S (39) ≤ 1.6 °C (2.88 °F)
ME = ± (1.6 °C (2.88 °F) -
0.03% * (MV- LRV))
Type T (40) –150 to +400 °C (–238 to +752 °F) ≤ 0.5 °C (0.9 °F)
ME = ± (0.5 °C (0.9 °F) -
0.05% * (MV- LRV))
DIN 43710
Type L (41)
–150 to +900 °C
(–238 to +1 652 °F)
≤ 0.5 °C (0.9 °F)
ME = ± (0.5 °C (0.9 °F) -
0.016% * (MV- LRV))
Type U (42)
–150 to +600 °C
(–238 to +1 112 °F)
≤ 0.5 °C (0.9 °F)
ME = ± (0.5 °C (0.9 °F) -
0.025% * (MV- LRV))
GOST R8.8585-2001 Type L (43)
–200 to +800 °C
(–328 to +1 472 °F)
≤ 2.30 °C (4.14 °F)
ME = ± (2.3 °C (4.14 °F) -
0.015% * (MV- LRV))
Voltage transmitter
(mV)
–20 to +100 mV 10.0 µV ME = ± 10.0 µV
4.8 µA
1)
Measured value transmitted via HART
®
.
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.
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 = 0.09 °C + 0.006% x (200 °C - (-200 °C)): 0.11 °C (0.20 °F)
Measured error D/A = 0.003 % x 200 °C (360 °F) 0.06 °C (0.11 °F)
Measured error digital value (HART): 0.11 °C (0.20 °F)
Measured error analog value (current output): √(Measured error digital² +
Measured error D/A²)
0.13 °C (0.23 °F)