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725

Users Manual

Table 6. RTD Types Accepted

RTD Type Ice Point (R

) Material α Range (°C)

Pt100 (3926) 100 Ω Platinum 0.003926 Ω/°C -200 to 630

Pt100 (385) 100 Ω Platinum 0.00385 Ω/°C -200 to 800

Ni120 (672) 120 Ω Nickel 0.00672 Ω/°C -80 to 260

Pt200 (385) 200 Ω Platinum 0.00385 Ω/°C -200 to 630

Pt500 (385) 500 Ω Platinum 0.00385 Ω/°C -200 to 630

Pt1000 (385) 1000 Ω Platinum 0.00385 Ω/°C -200 to 630

Pt100 (3916) 100 Ω Platinum 0.003916 Ω/°C -200 to 630

The Pt100 commonly used in U.S. industrial applications is Pt100 (3916), α = 0.003916 Ω/°C. (Also designated as JIS

curve.) The IEC standard RTD is the Pt100 (385), α = 0.00385 Ω/°C.

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Fluke 725 Manual do Utilizador Página 34