© Danfoss A/S (AC-MCI/MWA), 2012-05  DKRCI.PD.SC0.C3.02 / 520H5687 15
Liquid Level Sensor, AKS 4100/4100U
Saturated vapour dielectric constant (default value: 1.066)
Temperature 
[°C]
Temperature 
[°F]
Dielectric constant 
of refrigerant gas
Parameter 2.5.3 
GAS EPS.R
–40 → –18  –40.0 → 0 1.01
 –17 → –5   1 → 23 1.02
 –4 → 4  24 → 39 1.03
5 → 12 40 → 54 1.04
13 → 18 55 → 64 1.05
19 → 24 65 → 75 1.06
25 → 28 76 → 82 1.07
29 → 33 83 → 91 1.08
34 → 37 92 → 99 1.09
38 → 40 100 → 104 1.10
41 → 44 105 → 111 1.11
45 → 47 112 → 117 1.12
48 → 50 118 → 122 1.13
R717 (NH
3
)
Temperature range:
–40°C → +50°C (–40°F → +122°F)
Temperature 
[°C]
Temperature 
[°F]
Dielectric constant 
of refrigerant gas
Parameter 2.5.3 
GAS EPS.R
 –50.0 → –42.0     –58.0 → –43  1.01
 –41.0 → –28.0     –42 → –18     1.02
 –27.0 → –17.0    –17 → 2   1.03
 –16.0 → –9.0    3 → 16 1.04
 –8.0 → –3.0   17 → 27 1.05
 –2.0 → 2  28 → 36 1.06
3 → 7 37 → 45 1.07
8 → 11 46 → 52 1.08
12 → 14 53 → 58 1.09
15 59 1.10
R744 (CO
2
)
Temperature range:
–50°C → +15°C (–58°F → +59°F)
Temperature 
[°C]
Temperature 
[°F]
Dielectric constant 
of refrigerant gas
Parameter 2.5.3 
GAS EPS.R
 –50 → –25.0    –58 → –13  1.00
 –24 → –10   –12 → 14  1.02
 –9 → 0   15 → 32 1.03
1 → 8 33 → 46 1.04
9 → 15 47 → 59 1.05
16 → 21 60 → 70 1.06
22 → 26 71 → 79 1.07
27 → 31 80 → 88 1.08
32 → 35 89 → 95 1.09
36 → 39 96 → 102 1.10
40 → 42 103 → 108 1.11
43 → 45 109 → 113 1.12
46 → 48 114 → 118 1.13
R22
Temperature range:
–50°C → +48°C (–58°F → +118°F)
Temperature 
[°C]
Temperature 
[°F]
Dielectric constant 
of refrigerant gas
Parameter 2.5.3 
GAS EPS.R
 –40.0 → –18    –40 → –0   1.01
 –17 → –4  1 → 25 1.02
 –3 → 5  26 → 41 1.03
6 → 13 42 → 56 1.04
14 → 20 57 → 68 1.05
21 → 25 69 → 77 1.06
26 → 30 78 → 86 1.07
31 → 34 87 → 94 1.08
35 → 38 95 → 100 1.09
39 → 42 101 → 108 1.10
43 → 45 109 → 113 1.11
46 → 48 114 → 119 1.12
49 → 50 120 → 122 1.13
R134a
Temperature range:
–40°C → +50°C (–40°F → +122°F)
Temperature 
[°C]
Temperature 
[°F]
Dielectric constant 
of refrigerant gas
Parameter 2.5.3 
GAS EPS.R
 –40 → –35    –40 → –31   1.02
 –34 → –26    –30 → –14   1.03
 –25 → –19    –13 → –2   1.04
 –18 → –14    –1 → 7   1.05
 –13 → –9   8 → 16 1.06
 –8 → –4  17 → 25 1.07
 –3 → 0   26 → 32 1.08
1 → 3 33 → 38 1.09
4 → 6 39 → 43 1.10
7 → 9 44 → 49 1.11
10 → 12 50 → 54 1.12
13 → 15 55 → 59 1.13
R404A
Temperature range:
–40°C → +15°C (–40°F → +59°F)
Temperature 
[°C]
Temperature 
[°F]
Dielectric constant 
of refrigerant gas
Parameter 2.5.3 
GAS EPS.R
 –50 → –47   –58 → –52   1.01
 –46 → –35    –51 → –31   1.02
 –34 → –26    –30 → –14   1.03
 –25 → –19    –13 → –2  1.04
 –18 → –13    –1 → 9  1.05
 –12 → –8  10 → 18 1.06
 –7 → –4     19 → 25 1.07
 –3 → 0   26 → 32 1.08
1 → 4 33 → 40 1.09
5 → 7 41 → 45 1.10
8 → 10 46 → 50 1.11
11 → 12 51 → 54 1.12
13 → 15 55 → 59 1.13
R410A
Temperature range:
–50°C → +15°C (–58°F → +59°F)