8508A-PRT

Specifications 

Temperature Range 

–200 °C to 661 °C 

Handle Temp. 

0 °C to 80 °C 

R_TPW 

100 Ω (± 1 Ω)

Resistance Ratio W(Ga)

W(302.9146K) ≥ 1.11807
α ≥ 0.003925

Calibrated Accuracy^† (k=2) 

± 0.006 °C at –200 °C
± 0.006 °C at 0 °C
± 0.015 °C at 420 °C
± 0.022 °C at 661 °C 

Stability

± 0.003 °C

Long-Term Drift (k=2) 

< 0.006 °C/100 hours at 661 °C

Immersion 

At least 12.7 cm (5 in) recommended 

Sheath 

Inconel™ 600 

Lead Wires 

4-wire Super-Flex PVC, 22 AGW 

Size 

6.35 mm dia. 381 mm (0.25 x 15 in)

Calibration 

Accredited calibrations from Fluke Calibration included

^†Includes calibration and 100 hr drift