Hey, having some problem in this type of circuit. Can I use LM 35 as the heat sensor ? Or any other sensor which is better to sense heat from a distance ? HELP....URGENT

 

Hey, having some problem in this type of circuit.

What type of circuit?

Can I use LM 35 as the heat sensor?

It’s a temperature sensor, and heat could describe by temperature so yes LM35 could be used.

Or any other sensor which is better to sense heat from a distance? HELP....URGENT

Any temperature sensor can sense heat, if you keep it away from the source of heat then it will measure the ambient temperature of the heat source , obviously the measurement will depend on how far you are measuring.

Thermocouples could also be used as temperature sensor.

Good Luck

 

I am doing heat detector circuit..

But LM 35 I need to bring the heat and touch the boayd of LM 35 then only the voltage changes?

 

As far as I know almost all heat detectors are contact or ambient (air contact). The only heat detectors that measure from a "distance" are infrared optical sensors.

Ken

 

Hello,

Take a look at the following page:
http://www.capgo.com/Resources/Temperature/TempHome/TempSensors.html

For Non-contact temperature measurements you can find this page on that site:
http://www.capgo.com/Resources/Temperature/NonContact/NonContact.html

This is a link from this page of the EDUCYPEDIA on Tempereture Sensors:
http://educypedia.karadimov.info/electronics/sensorstemp.htm

Bertus

 

Hey Bert,

your first link to bohr.physics.hku.hk is broken.

 

Hello,

I have exchanged it for an other one.

Bertus