10. Thermistor Temperature Characteristics /
Altitude,Atmospheric Pressure and Boiling Point in standard Atmosphere
-Thermistor
temperature
characteristics
Th1·Th3
Standard Standard
Temp.
"C
Resistance
Temp.
"C
Resistance
Value M? Value k?
-10 9.71
30
1085
-5
7.17 35 854
0 5.33 40 676
5 4.01 45 539
10 3.03 50 433
15 2.32 55 349
20 1.78 60 283
25 1.39 65
231
Standard Standard
Temp.
"C
Resistance Temp.
"C
Resistance
Value
k?
Value
k?
70 189.2 110 45.3t
75 155.9 115 38.6f
80 129 120 33.04
85 107.3 125 28.34
90 89.57 130 24.35
95 75.12 135 21.0f
100 63.26 140 18.2
105 53.48 145 15.84
-
Altitude,
atmospheric
pressure
and
The
Boiling
point
of
water
in
standard
atmosphere
Altitude
Atmospheric Pressu
..
Altitude
Atmospheric
Pressu..
I
Boil!n_!!
Point
(hPa)
(nmHg)
(
"C)
(m)
(hPa)
(nmHg)
-382 1060 795.0 101.27 1900 805.2 603.9
-300 1049.0 786.7 100.99 2000 795.0 596.3
-200 1037. 777.8 100.66 2100 785.4 589.1
-100
1025.2 768.9 100.33 2200 775.8 581.9
o 1013. 760.0 100.00 2300 766.2 574.7
100 1001.4 751.1 99.67 2400 756.6 567.5
200 989.5 742.2 99.34 2500 746.9 560.2
300 977.6 733.3 99.01 2600 737. 553.3
400 966. 724.6 98.67 2700 728.5 546.4
500 954. 716.1 98.34 2800 719.3 539.5
61
943. 707.5 l8. 2900 7' 532.'
~.
MO
5
320
47 .
825.
46
..
815. .5
l4.)5
4000
,.4
46
..
• Environmental conditions for
use
of equipment
Atmospheric pressure
701.1
- 1013.3hPa
(
"C)
93.72
93.39
93.06
92.73
92.40
92.07
91.74
91.41
91.08
90.75
!7.
-As
for the conversion of the atmospheric pressure(hPa(mba)
and
mmHg), see the following formula:
1 mmHg=13.5951 X980.665X1 O"'hPa(mba)
-As
for the calculation of the boiling point, see the following formula:
Boiling point =100+0.0367(P-760)-0.000023(P-760)2
P:
mmHg
-
33-
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