Practical Instrument Electronics 525 Rev F - Manual (Page 6)

Model 525 Operating Instructions
841 Holt Road #1 • Webster, NY 14580 Tel: 585-872-9350 • Fax: 585-872-2638 [email protected] • http://www.piecal.com/
Practical Instrument Electronics, Inc. Copyright © 2004. All rights reserved. 525-9002 5/26/05 6-8
RTD Temperature Accuracy
The following charts give worst-case temperature accuracy based on stated resistance accuracy of ± (0.015 % + 0.05) Ω.
Pt100 TCR=0.00385
-200 to 850 °C
0.1
0.2
0.3
0.4
-200 0 200 400 600 800
Temperature °C
Error °C
Pt100 TCR=0.003902
-200 to 648.9 °C
0.1
0.2
0.3
0.4
-200 0 200 400 600 800
Temperature °C
E
rro
r °
C
Pt100 TCR=0.003916
-200 to 648.9 °C
0.1
0.2
0.3
0.4
-200 0 200 400 600 800
Temperature °C
E
rro
r °
C
Pt100 TCR=0.003926
-200 to 850 °C
0.1
0.2
0.3
0.4
-200 0 200 400 600 800
Temperature °C
Error °C
Cu10 TCR=0.00427
-200 to 260 °C
1.2
1.25
1.3
1.35
1.4
-200 -100 0 100 200 300
Temperature °C
Erro
r °C
Cu50 TCR=0.00428
-50 to 150 °C
0
0.1
0.2
0.3
0.4
0.5
-50 0 50 100 150
Temperature °C
Er
ro
r °
C
Ni120 TCR=0.00672
-80 to 260 °C
0.07
0.08
0.09
0.1
-100 -50 0 50 100 150 200 250 300
Temperature °C
Error °C
Ni110 TCR=0.00530
-100 to 260 °C
0.1 Error °C
0.08
0.1
0.12
4
0.16
-100 0 100 200 300 400
Temperature °C