Self-Adhering
Surface
Temperature
Sensors
Thermometrics range of Self-Adhering Surface
Temperature Sensors are designed for industrial
HVACR applications, typically for placement
on the external wall of a water tank or boiler
reservoirs. They are also suitable for reservoir
tanks working in conjunction with solar panel
water heating systems. This range of adhesive pad
sensors detect over-temperature resulting from a
malfunction or a dry-fire.
Pressure sensitive adhesive tapes loaded
with ceramic powders provide high thermal
conductivity and thus excellent heat transfer
from the heat source to a NTC thermistor while
maintaining appropriate levels of dielectric
strength. An adhesive lined foam backing tape
provides air and moisture resistance with optional
WRC (5470) water safety and DIN 4102 part 1 (B3)
fire safety approvals.
Features
• Excellent heat transfer
• Long-term stability
• Multiple adhesive tape sizes and shapes
available
• Various lengths
• Temperature ranges from -30 to +70 °C.
• PVC single insulated lead wire, 3x1.5mm cross-
sectional profile.
• Voltage withstand: 750 Vac between the
terminals of the connector and the contact
tape, for a broadly sinusoidal wave form at 50
Hz, where the max permissible current is 1 mA.
Amphenol
Advanced Sensors
Product Applications
Placement on Water Heater Tank
The sensors are designed to work in predominantly dry
environments and are particularly suited for domestic
applications where they can be positioned between
the water tank and an insulating jacket as shown. The
sensors should NOT be used externally where they can
be subjected to wind, rain and direct sun.
Residual oil on the surface of a metallic tank, resulting
from a drawing process, can cause a loss of adhesion.
Oil residuals should be cleaned away before the
application of the sensor.
Product Design
NTC Thermistor
Connector
Foam backing tapes
PVC insulated lead wires
Ceramic powder loaded contact tape
Specifications
Part number
JS4298
JS5698
JS6670
JS6862
JS6744
JS6812
JS5539
JS7289
JS7290
JS7352
Foam backing size / mm
45x45, square
45x45, square
45x45, square
45x45, square
45x45, square
45x45, square
30 wide x 70 long, rectangular
45 wide x15 long & 15 wide x 15 long, tapered
45 wide x15 long & 15 wide x 15 long, tapered
45 wide x15 long & 15 wide x 15 long, tapered
Full length / mm
700
750
280
650
320
420
125
320
420
160
Connector type
Molex 5559
Molex 5559
Molex 5559
Molex 5559
Molex 5559
Molex 5559
Molex 5559
Molex 5559
Molex 5559
Molex 5559
Thermal Equilibrium Resistance vs. Temperature Table
Temp
°C
-30
-25
-20
-15
-10
-5
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
R nom
/W
173790
128270
95627
71980
54678
41900
32377
25218
19792
15647
12457
9983.1
8052.1
6534.4
5334.0
4378.7
3614.0
2998.3
2500.0
2094.5
1762.9
R min
/W
161580
119620
89439
67513
51427
39513
30611
23902
18805
14902
11890
9550.5
7719.7
6277.7
5134.9
4223.6
3492.7
2903.1
2425.0
2028.1
1704.0
R max
/W
186760
137420
102150
76673
58083
44391
34213
26582
20812
16415
13038
10426
8391.2
6795.4
5535.8
4535.4
3736.1
3093.9
2575.0
2161.2
1822.1
R Tol
-%
-7.03
-6.75
-6.47
-6.21
-5.95
-5.70
-5.45
-5.22
-4.99
-4.76
-4.55
-4.33
-4.13
-3.93
-3.73
-3.54
-3.36
-3.18
-3.00
-3.17
-3.34
R Tol
+%
7.46
7.14
6.82
6.52
6.23
5.94
5.67
5.41
5.15
4.91
4.67
4.44
4.21
3.99
3.78
3.58
3.38
3.19
3.00
3.18
3.36
T Tol
+ °C
1.14
1.13
1.12
1.11
1.10
1.09
1.07
1.06
1.04
1.03
1.01
0.99
0.97
0.95
0.93
0.91
0.89
0.86
0.84
0.91
0.98
T Tol
- °C
-1.21
-1.19
-1.18
-1.17
-1.15
-1.13
-1.12
-1.10
-1.08
-1.06
-1.04
-1.02
-0.99
-0.97
-0.95
-0.92
-0.89
-0.87
-0.84
-0.91
-0.99
Amphenol
Advanced Sensors
www.amphenol-sensors.com
© 2014 Amphenol Corporation. All Rights Reserved. Specifications are subject to change without notice.
Other company names and product names used in this document are the registered trademarks or
trademarks of their respective owners.
AAS-920-621B-03/2014
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