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Documenting Process Calibrator
Detailed Specifications
117
Temperature, RTDs
Degrees or % of Reading
[1]
Type (α) Range °C
Measure °C
[2]
Source °C
Allowable
Excitation
Current
[3]
1 Year 2 Year
Source
Current
1 Year 2 Year
10 Ω
Cu(427)
-100 to 260
0.2 °C 0.4 °C
3 mA
0.2 °C 0.4 °C
1 to 10 mA
120 Ω
Ni(672)
-80 to 260
0.1 °C 0.2 °C
1 mA
0.04 °C 0.08 °C
0.1 to 10 mA
[1] Specifications are valid to k=3
Sensor inaccuracies not included
[2] For two and three-wire RTD measurements, add 0.4 °C to the specifications.
Resolution: 0.01 °C except 0.1 °C for 10 Ω Cu(427)
Temperature Coefficient: 0.01 °C/°C for measure, 0.02 °C/°C (<18 °C or >28 °C) for source
[3] Supports pulsed transmitters and PLCs with pulse times as short as 1 ms
RTD Reference:
Pt(385): IEC 60751, 2008
Pt(3916): JIS C 1604, 1981
Pt(3926), Cu(427), Ni(672): Minco Application Aid #18
Loop Power
Open Circuit Loaded Circuit
26 V ±10 %
18 V minimum at 22 mA
Short circuit protected to 25 mA
Output Resistance: 250 Ω nominal
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