Fluke NetDAQ 2645A - Manual (Page 249)

RTD Linearization
Custom-385 RTD
D
D-5
2645A
2640A
-100 0 100 200 300 400 500 600
Temperature - Degrees C
Accuracy Envelope: Custom RTD, 392 Probe
1 Year Slow: 18-28 Degrees C
Alpha: 0.0039261 Delta: 1.49512239 Beta: 0.10188228
-1.5
-0.5
0.0
0.5
1.0
Error - Degrees C
1.5
-1.0
Figure D-4. 392 RTD