Description
CDT-10B Water Temperature Sensor
A PT100 water temperature sensor is a key tool for measuring temperature. It works by using platinum resistance.
At 0 °C, its resistance is 100 ohms. It changes steadily as the water temperature changes. The common three-wire connection method also helps lower measurement errors caused by lead resistance.
Design structure
The PT100 sensor uses the change in resistance of a platinum resistor to measure temperature. At 0℃, the PT100 has a resistance of 100 ohms. This resistance changes almost in a straight line as the temperature changes.
As the temperature rises, the resistance goes up. When the temperature falls, the resistance goes down.
Easy installation
**Choosing the Installation Location:** To measure water temperature, pick a spot that shows the true temperature of the water. Avoid placing it near the entrance of heating or cooling devices in the tank or pool. The temperature there may not show the overall water temperature. It is best to place it in the center of the water body or where water circulates well.
Insertion depth: The sensor’s insertion depth should be correct. It is usually best if the depth is at least 2/3 of the probe’s length. This ensures the probe contacts the water enough for an accurate temperature reading. For example, if you have a PT100 sensor with a 100mm probe, the insertion depth should be at least 60-70mm.
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