The product
Sensors with head assembly can condense moisture inside the casing, leading to unstable and incorrect measurements.
Humidity and sensors do not match!
Series TIM / TRS11 of Alutal have moisture sealing using special resins in the cables connecting the pot and Internally stem, isolating the sensor from any interference that moisture inside a cold room, is likely to generate.
WHY THERE IS TWIN SENSORS?
In thermometry, may be adopted using dual sensors basically for two reasons:
1) Dual instrumentation – the dual sensor sends the signal to two instruments simultaneously. For example, to a temperature controller and a PLC, in this way, even if the temperature controller does not have the signal relay option read temperature, you can send that signal to another instrument. This type of connection is not possible with simple sensors, since it does not have thermoelectric power required to feed two instruments simultaneously.
2) Security – with a second sensor, if the first case become damaged, it is possible to connect the instrument to the same emergency, without the need for probe replacement. Remember that this situation must be only emergency since the second sensor may be about to malfunction too, since it was exposed to the same conditions as the first.
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