Fluke 724 user manual Temperature, RTD Ranges, and Accuracies ITS-90

724

Users Manual

Temperature, RTD Ranges, and Accuracies (ITS-90)

Type

Ni120

Pt100-385

Pt100-392

Pt100-JIS

Pt200-385

Pt500-385

Pt1000-385

Range °C

-80 to 260

-200 to 800 -200 to 630 -200 to 630

-200 to 250 250 to 630

-200 to 500 500 to 630

-200 to 100 100 to 630

Measure 4-Wire °C

0.2

0.33

0.3

0.3

0.2

0.8

0.3

0.4

0.2

0.2

Accuracy

Measure 2- and 3-Wire* °C

0.3

0.5

0.5

0.5

0.3

1.6

0.6

0.9

0.4

0.5

Source °C

0.2

0.33

0.3

0.3

0.2

0.8

0.3

0.4

0.2

0.2

Resolution: 0.1 °C, 0.1 °F

Allowable excitation current (source): Ni120, Pt100-385, Pt100-392, Pt100-JIS, Pt200-385: 0.15 to 3.0 mA

Pt500-385: 0.05 to 0.80 mA; Pt1000-385: 0.05 to 0.40 mA

RTD Source: Addresses pulsed transmitters and PLCs with pulses as short as 5 ms.

*2-wire: Does not include lead resistance.

3-wire: Assumes matched leads with a total resistance not exceeding 100 Ω.

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