Sen Sores

Temperature sensors Pt 1000 ohm / 0°C AKS 11, AKS 12, AKS 21 Application These sensors are recommended for accurate temperature measurement in applications such as superheating, food safety logs, and other important temperature measurement applications. Functional description The sensor unit consists of a platinum element the resistance value of which changes proportionally with the temperature. Pt 1000 ohm sensor (1000 ohm at 0°C). The sensors are adjusted and meet the tolerance requirements of EN 60751 Class B.

Type

Description

AKS 11 *

)

Surface and duct sensor

Temperature Sensor/ range sensor body °C

-50 to +100

Top: PPO (Noryl) Bottom: stainless steel

Connection/ cable

PVC cable, 2 x 0.2 mm2

Enclosure

Cable length m

Time constant [s]

3 1) 10 2) 35 3)

IP 67

AKS 21A **)

AKS 21M

AKS 21W

*)

Air temperature sensor

Surface sensor with clip

-40 to 80

3.5 m

1

084N0003

110

084N0050

5.5 m

1

084N0005

5.5 m + AMP

70

084N0051

8.5 m

1

084N0008

8.5 m + AMP

50

084N0052

1

084N0036

30

084N0035

3.5 m

30

PVC cable 2 x 0.22 mm2

IP 67

084N0039

15 1)

5.5 m

30

084N0038

5.5 m + AMP

30

084N0037

13.5 m

20

084N0034

2.5 m

1

084N2007

5.0 m

1

084N2008

2.0 m

1

084N2024

2.5 m

1

084N2003

2.5 m

1

084N2017

-70 to +180

Surface sensor with shielded cable and clip

-70 to +180

Multipurpose sensor

-70 to +180

Immersion sensor with cable and senor pocket, welded version

18/8 stainless steel

18/8 stainless steel

Immersion sensor, 18/8 stainless steel tube -70 to +180

Weld nipple: free cutting steel Thread nipple: free cutting steel

Fire-resistant silicone rubber cable, 2 x 0.2 mm2

Fire-resistant silicone rubber cable, 2 x 0.2 mm2

Recommended for measuring superheat Recommended for hot gas systems

**)

194   RK0YG402  ©  Danfoss  12/2009

6 1) 14 2) 35 3)

IP 67

IP 56

Code

3.5 m + AMP

1.5 m AKS 12

Qty

18 1)

) Agitated liquid.  ) Clamped to pipe.  3 ) Air 4 m/s. 1 2

AKS 11, 12, 21

AKS 11, AKS 12, AKS 21 °C 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

ohm 1000.0 1003.9 1007.8 1011.7 1015.6 1019.5 1023.4 1027.3 1031.2 1035.1 1039.0 1042.9 1046.8 1050.7 1054.6 1058.5 1062.4 1066.3 1070.2 1074.0 1077.9 1081.8 1085.7 1089.6 1093.5 1097.3 1101.2 1105.1 1109.0 1112.8 1167.7 1120.6 1124.5 1128.3 1132.2 1136.1 1139.9 1143.8 1147.7 1151.5 1155.4 1159.3 1163.1 1167.0 1170.8 1174.7 1178.5 1182.4 1186.3 1190.1 1194.0

°C −1 −2 −3 −4 −5 −6 −7 −8 −9 −10 −11 −12 −13 −14 −15 −16 −17 −18 −19 −20 −21 −22 −23 −24 −25 −26 −27 −28 −29 −30 −31 −32 −33 −34 −35 −36 −37 −38 −39 −40 −41 −42 −43 −44 −45 −46 −47 −48 −49 −50

ohm 1000.0 996.1 992.2 988.3 984.4 980.4 976.5 972.6 968.7 964.8 960.9 956.9 953.0 949.1 945.2 941.2 937.3 933.4 929.5 925.5 921.6 917.7 913.7 909.8 905.9 901.9 898.0 894.0 890.1 886.2 882.2 878.3 874.3 870.4 866.4 862.5 858.5 854.6 850.6 846.7 842.7 838.8 835.0 830.8 826.9 822.9 818.9 815.0 811.0 807.0 803.1

AKS 11

AKS 12

AKS 21A, AKS 21M

AKS 21W

AKS 21W welded version

Pocket in welded version for AKS 21W

approx. 3.9 ohm/K

The tolerance of a Pt1000 sensor is less than ±(0.3 + 0.005 T). This translates into a temperature error of less than 0.5 degree for refrigeration control.

Sensors with AMP plug: connector type AMP ital mod 2, housing 280 358, crimp contacts type 280 708-2 AKS 11, 12, 21   RK0YG402  ©  Danfoss  12/2009

195