Fluke 744 Fluke 744 Users Manual - Page 127
Temperature, Resistance Temperature Detectors cont, Maximum Input Current for RTD Source
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Documenting Process Calibrator Specifications Temperature, Resistance Temperature Detectors (cont) Type (α) Range °C Measure °C 1 Year 2 Year 1000 Ω Pt(385) -200 to 0 0.3 0.5 Source °C 1 Year 2 Year 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 10 Ω Cu(427) -100 to 0 2 2 1 1 0 to 260 2 2 1 1 100 Ω 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: 30 V Maximum Input Current for RTD Source: 10 Ω RTDs: 8 mA dc; 100 Ω − 120 Ω RTDs: 8 mA dc; 200 Ω − 1000 Ω RTDs: 1 mA dc, supports pulsed transmitters and PLCs with pulse times as short as 1 ms For two and three-wire RTD measurements, add 0.4°C to the specifications. 117