C.M.C. n.v. - Airmaster S1 installation guide – V1.2 – MANY0402A.00
6.3.5 ACM type 5: KTY temperature sensor (-10…+132 deg C)
A KTY temperature sensor is a semiconductor sensor. The standard sensor type that is
used is the type KTY10-62 or KTY10-6 or KTY11-6 variant.
6.3.6 ACM type 5: RTD temperature sensor (-40…+150 deg C)
A RTD (resistance temperature detector) temperature sensor is a semiconductor
sensor.
6.3.7 ACM type 6: PT100 temperature sensor (-50…+250 deg C)
A PT100 temperature sensor can be connected to the base unit, but only for very short
distances (2 meters). If accurate measurements must be made it is much better to use
a PT1000 temperature sensor. You can run 10 times further with your cable for having
the same error due to the wire resistance as with PT100.
PT100 temperature sensors have a resistance varying with the temperature. When the
temperature is 0°C (32°F) the nominal resistance is 100 ohm. At 200,4°C this
resistance is raised to 176,0 ohm.
Use PT100 sensors with a mean temperature coefficient α of 0.003850 ΩΩ
-1
°C
-1
. In
case of doubt please contact your sensor supplier. (reference: IEC Publication 751)
The wires to a sensor must be as short as possible and with a big enough section in
order to reduce the wire resistance error.
The wires of a PT100 sensor of the same
color have to be kept together if the sensor
has more than 2 wires.
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