
CS547 Conductivity and Temperature Probe and A547 Interface
16
TABLE 10-1. Temperature , Resistance, and
Datalogger Output
0.00 351017 -0.06
2.00 315288 1.96
4.00 283558 3.99
6.00 255337 6.02
8.00 230210 8.04
10.00 207807 10.06
12.00 187803 12.07
14.00 169924 14.06
16.00 153923 16.05
18.00 139588 18.02
20.00 126729 19.99
22.00 115179 21.97
24.00 104796 23.95
26.00 95449 25.94
28.00 87026 27.93
30.00 79428 29.95
32.00 72567 31.97
34.00 66365 33.99
36.00 60752 36.02
38.00 55668 38.05
40.00 51058 40.07
42.00 46873 42.07
44.00 43071 44.05
46.00 39613 46.00
48.00 36465 47.91
50.00 33598 49.77
52.00 30983 51.59
54.00 28595 53.35
56.00 26413 55.05
58.00 24419 56.70
60.00 22593 58.28
TABLE 10-2. Polynomial
Coefficients
COEFFICIENT VALUE
C0 -53.4601
C1 9.08067
C2 -8.32569 x 10
-01
C3 5.22829 x 10
-02
C4 -1.67234 x 10
-03
C5 2.21098 x 10
-05
11. Electrically Noisy Environments
AC power lines can be the source of electrical noise. If the datalogger is in an
electronically noisy environment, the 107/107B temperature measurement
should be measured with the AC half bridge (Instruction 5) with the 60 Hz
rejection integration option on the CR10(X) and slow integration on the 21X
and CR7 (see Section 13 of the datalogger manual for more information on
noise). Instruction 11's fast integration will not reject 60 Hz noise.
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