HUMAN DETECT SENSORS AT 60 degree working condition

**sbharsha** · 23rd March 2009 09:37 AM

Hi all,

I am working out some idea for detecting the human body presence. I need a sensor or any idea where i can detect the presence of human body at given area (like monitoring), But here the working environemnt is a factory with alomst 50-60 Degree celcious.

Please can anybody suggest me what kind of sensors i can use for detecting the human body.

If no sensors available, Suggest me some idea where i can detect the human body in such envroments.

Waiting for soon reply
Harsha s

**Gayan Soyza** · 23rd March 2009 09:40 AM

PIR Sensors

**sbharsha** · 23rd March 2009 09:43 AM

Does this PIR sensors work at 60 degree Celcious Temperature.
One more thing is DOes this PIR sensors works in Dusty enviroment. ?

please let me know.

**Sceadwian** · 23rd March 2009 09:44 AM

There are no sensors that will work 100% reliably. RFID systems where a person has to be carying a tag or card to be allowed into an area and check points is a decent system, but there's nothing preventing 1 person from letting in another.

**Gayan Soyza** · 23rd March 2009 09:51 AM

Many of SMD versions in the PIR support for 85C dust is the only disturbance to your work

Actually what you are going to do?Whats that environment?

**sbharsha** · 23rd March 2009 09:58 AM

Hi,

I am planning to have saftey device in the factory or manufacturing industry where the machine is operated by the man. So when ever the human body is detected in the no entry zone it should alarm. Its some some kind of saftey device.
The working enviroment is very dusty and hot(60Degrre).

Please suggest me some kind of sensors which i can use.I hope u understood my point or idea.

Harsha s

**Gayan Soyza** · 23rd March 2009 10:02 AM

Then use ultrasonic.But still the dust is a huge problem.

**arunb** · 23rd March 2009 10:26 AM

you could use safety curtains instead...try googling laser barrier curtains..

thanks
a

**Willbe** · 24th March 2009 01:12 AM

Sense the change in capacitance of the area due to a person entering.

**Sceadwian** · 24th March 2009 01:23 AM

You'd have to redesign the entire building for that Willbe.

**tcmtech** · 24th March 2009 01:26 AM

Bright Yellow or saftey Orange paint on the floor. Followed by a layer of beatings to help remind the employees what the painted areas mean!
Its cheap and very effective. Plus if you do the beatings when your having a bad day you will feel better too!

**audioguru** · 24th March 2009 01:54 AM

People should not work in very dusty very hot areas.
Use reptiles instead.

**sbharsha** · 24th March 2009 04:40 AM

Whats the Distance can be detected if we capacitance sensors ?

Say 1 meter or 2 meters ?

**arunb** · 24th March 2009 04:58 AM

People should not work in very dusty very hot areas.
Use reptiles instead.

audioguru is back with his one-liners..

**Sceadwian** · 24th March 2009 11:36 AM

Industrial capacitance sensors are usually less than 6 inches aren't they? I don't know how you'd go about measuring capacitance change in a large volume, I somehow doubt it's practical.

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