Application Guide > For Water Heating Systems > Dimensions and Specifications

Dimensions and Specifications

For water heating systems, a short thermal time constant (i.e. sensor response time) is important. Sensors must also be carefully designed to be safe in severe environments of temperature and humidity extremes.

In addition, the thermistor assembly must resist moisture penetration and prevent water leackage.

*Sensors can be customised into various shapes and sizes. Contact us for further details about dimensions of sensors for your application.

One example of SEMITEC® thermistor characteristics appears below. Further details about other thermistors are available upon request

Electrical Characteristics

Rated zero-power resistance at 25°C

R25	= 10kΩ± 3%

B-value

B25/85

= 3250K± 1%

Thermal time constant

1.7s	(in water)

Rated power at 25°C

3.5mW

(25°C )

Operating temperature range

-30 to +105°C

How to Install Thermistor Sensors >>

Top | How to Install Thermistor Sensors

Copyright © 2003 Semitec USA Corp. All rights reserved.