99 table 13: resistance measurement, Table 14: resistance source, Table 15: thermocouple measurement/source – Martel Electronics DMC1400 User Manual
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Table 13: Resistance Measurement
Range
Accuracy
(% of reading ± floor)
Ohms low
0.00
W - 400.0W
0.015% ± 0.03
W
Ohms high
401.0
W - 4000.0W
0.015% ± 0.3
W
Table 14: Resistance Source
Range
Excitation Current
Accuracy
(% of reading ± floor)
Ohms low
5.0
W - 400.0W
0.1mA - 0.5mA
0.015% ± 0.1
W
5.0
W - 400.0W
0.5mA - 3mA
0.015% ± 0.03
W
Ohms high
400
W - 1500W
0.05mA - 0.8mA
0.015% ± 0.3
W
1500
W - 4000W
0.05mA - 0.4mA
0.015% ± 0.3
W
Note: Unit is compatible with smart transmitters and PLCs. Frequency response is <=
5ms.
Table 15: Thermocouple Measurement/Source
Range
Accuracy
(% of reading ± floor)
Read (mV)
-10.000mV - 75.000mV
0.02% ± 10
mV
Source (mV)
-10.000mV - 75.000mV
0.02% ± 10
mV
Maximum current output in voltage ranges is 1mA with an output impedance of <= 1
W
Table 16: Thermocouple Read and Source (errors in °C)
TC Type
Range (°C)
Accuracy
J
-210.0 - 0.0
0.4
0.0 - 800.0
0.2
800.0 - 1200.0
0.3
K
-200.0 - 0.0
0.6
0.0 - 1000.0
0.3
1000.0 - 1372.0
0.5
T
-250.0 - 0.0
0.6
0.0 - 400.0
0.2
E
-250.0 - -100.0
0.6
-100.0 - 1000.0
0.2
R
0.0 - 1767.0
1.2
S
0.0 - 1767.0
1.2
B
600.0 - 800.0
1.2
800.0 - 1000.0
1.3
1000.0 - 1820.0
1.5
C
0.0 - 1000.0
0.6
1000.0 - 2316.0
2.3