Fluke 7381 - Page 26

7381
User’s Guide
20
Table 2. Table of Bath Fluids
Fluid
Lower
Temp.
Limit*
Upper Temp.
Limit*
Flash
Point
Viscosity
(centistokes)
Specific
Gravity
Specific Heat
(cal/g/°C)
Thermal
Conductivity
(cal/s/cm/°C)
Thermal
Expansion
(cm/cm/°C)
Resistivity
(10
12
Ω-cm)
Halocarbon
0.8
#5019
–100 °C
(v)**
70 °C (e) NONE
5.7 @ –50 °C
0.8 @ 40 °C
0.5 @ 70 °C
1.71 @ 40 °C 0.2 0.0004 0.0011
Ethanol –97 °C (fr) 16 °C (fl,cc) 16 °C 1@20 °C 0.809 @ 20 °C 0.61 0.00047 - -
Methanol –96 ° C (fr) 10 °C (fl,cc) 12 °C
1.3 @ –35 °C
0.66 @ 0 °C
0.45 @ 20 °C
0.810 @ 0 °C
0.792 @ 20 °C
0.6 0.0005 @ 20 °C 0.0014 @ 25 °C
Water 0 °C (fr) 95 °C (b) NONE
1 @ 25 °C
0.4 @ 75 °C
1.00 1.00 0.0014 0.0002@25 °C
Ethylene
Glycol
—50 %
#5020
–30 °C (fr) 90 °C (b) NONE
7 @ 0 °C
2 @ 50 °C
0.7 @ 100 °C
1.05 0.8@0 °C 0.001 - -
Mineral Oil
No.7
#5011
10 °C (v) 166 °C (fl) 168 °C
15 @ 75 °C
5 @ 125 °C
0.87 @ 25 °C
0.84 @ 75 °C
0.81 @ 125 °C
0.48 @ 25 °C
0.53 @ 75 °C
0.57 @ 125 °C
0.00025 @ 25 °C 0.0007 @ 50 °C 5 @ 25 °C
Silicone Oil
Type
200.05
#5010
–40 °C (v)** 130 °C (fl, cc) 133 °C 5 @ 25 °C 0.92 @ 25 °C 0.4 0.00028 @ 25 °C 0.00105
1000 @ 25 °C
10 @ 150 °C
Silicone Oil
Type
200.05
#5012
–30 °C (v)** 209 °C (fl, cc) 211 °C
10 @ 25 °C
3 @ 135 °C
0.934@25 °C
0.43 @ 40 °C
045 @ 100 °C
0.482 @ 200 °C
0.00032 @ 25 °C 0.00108
1000 @ 25 °C
50 @ 150 °C
Silicone Oil
Type
200.20
#5013
10 °C (v) 230 °C (fl, cc) 232 °C 20 @ 25 °C 0.949 @ 25 °C
0.370 @ 40 °C
0.393 @ 100 °C
0.420 @ 200 °C
0.00034 @ 25 °C 0.00107
1000 @ 25 °C
50 @ 150 °C
Silicone Oil
Type
200.50
#5014
30 °C (v) 278 °C (fl, cc) 280 °C 50 @ 25 °C 0.96 @ 25 °C 0.4 0.00037 @ 25 °C 0.00104
1000 @ 25 °C
50 @ 150 °C
Silicone Oil
Type
550 #5016
70 °C (v)
230 °C (fl, cc)
300 °C (fl, oc)
232 °C
50 @ 70 °C
10 @ 104 °C
1.07 @ 25 °C
0.358 @ 40 °C
0.386 @ 100 °C
0.433 @ 200 °C
0.00035 @ 25 °C 0.00075
100 @ 25 °C
1 @ 150 °C
Silicone Oil
Type #5017
710
80 °C (v) 300 °C (fl, oc) 302 °C
50 @ 80 °C
7 @ 204 °C
1.11@25 °C
0.363@ 40 °C
0.454@ 100 °C
0.505@ 200 °C
0.00035 @ 25 °C 0.00077
100 @ 25 °C
1 @ 150 °C
Silicon Oil
Type
210-H
66 °C (v) 313 °C (fl, oc) 315 °C
50 @ 66 °C
14 @ 204 °C
0.96 @ 25 °C 0.34 @ 100 °C 0.0003 0.00095
100 @ 25 °C
1 @ 150 °C
Heat
Transfer
Salt
#5001
180
°C (fr)
550 °C NONE
34 @ 150 °C
6.5 @ 300 °C
2.4 @ 500 °C
2.0 @ 150 °C
1.9 @ 300 °C
1.7 @ 500 °C
0.33 0.0014 0.00041 1.7 Ω/cm³
*Limiting Factors — b - boiling point e - high evaporation fl - flash point fr - freeze point, v - viscosity — Flash point test oc = open cup cc = closed cup
**Very low water solubility, ice will form as a slush from condensation below freezing.