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sensors are required to accomplish space temperature
averaging.
Figure 31. Examples
Note: Wiring pin numbers are for reference only. There are
multiple smoke detector systems that could have
differently numbered pins. For correct wiring details,
refer to the specific smoke detector, ship-with
literature.
Table 10. Temperature vs. resistance
Temperature
Degrees °F
Degrees °C
-20
-28.9
-15
-26.1
-10
-23.3
RT-SVX077B-EN
Nominal Resistance
(kOhms)
170.1
143.5
121.4
•
Example #3 illustrates the circuit required for this
sensor. lists the temperature versus resistance
coefficient for all sensors.
Table 10. Temperature vs. resistance (continued)
Temperature
Degrees °F
Degrees °C
-5
-20.6
0
-17.8
5
-15.0
10
-12.2
15
-9.4
20
-6.7
25
-3.8
Installation
Nominal Resistance
(kOhms)
103.0
87.56
74.65
63.80
54.66
46.94
40.40
33
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