Documenting Process Calibrator
Specifications
115
Temperature, Resistance Temperature Detectors (cont.)
Type (α) Range °C
Measure °C Source °C
1 Year 2 Year 1 Year 2 Year
1000Ω Pt(385) -200 to 0 0.3 0.5 0.1 0.2
0 to 400 0.5 0.8 0.2 0.4
400 to 630 0.8 1.0 0.4 0.5
10Ω Cu(427) -100 to 0 2 2 1 1
0 to 260 2 2 1 1
100Ω Pt(3916) -200 to -190 0.3 0.4 0.3 0.4
-190 to 0 0.3 0.4 0.1 0.2
0 to 360 0.5 0.8 0.2 0.4
Sensor inaccuracies not included
Resolution: 0.1°C
Temperature Coefficient: 0.02°C/°C in the ranges -10 to 18°C and 28 to 50°C
Maximum Input Voltage: 30V
Maximum Input Current for RTD Source: 10Ω RTDs: 8 mA dc; 100Ω − 120Ω RTDs: 3 mA dc;
200Ω − 1000Ω RTDs: 1 mA dc
For two and three-wire RTD measurements, add 0.4°C to the specifications.
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