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Information about measuring and logging temp. & humidity

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Information about measuring and logging temp. & humidity

Postby MartinduPlooy » Mon Apr 02, 2012 9:32 am

I have a requirement to measure and record the temperature and humidity of a simplistic environmental test chamber (self-built iso-board insulated chamber).

The dimensions of the insulated chamber is 1000x500x500mm (250 liter).

The operational conditions of the chamber: Temp. 35 – 70 deg.C
(for this particular test) Humid. 80 – 100%

From what I have ascertained so far, I need a sensor, input signal converter and a data logger. My knowledge in this field is too limited for me to make a choice of which sensor one should use with which converter or data logger.

We use to have a PICO data logger, but it was stolen. The person that setup up the whole installation has since left our company.

Can you please advise me on a suitable installation for my requirement. I want to be able to measure and record the temp./humid. at three different locations at once. I only need to control the temperature. I will be doing this with a Temp. controller.

Is there any DIY way of measuring and logging Humidity and temp.

Your assistance will be greatly appreciated.
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Re: Information about measuring and logging temp. & humidity

Postby Hitesh » Tue Apr 10, 2012 2:25 pm

Hello Martin,

Looking at your description, it would be helpful to know the following:

  • How often you wish to sample data.
  • How long you wish to record data for.
  • How far the PC is from all the chambers.

We have a couple of devices that can be used for temperature and humidity measurements:

Humidiprobe: http://www.picotech.com/humidiprobe.html

DrDAQ (with external temperature and humidity sensors): http://www.drdaq.com/

There are also temperature logging devices:

TC-08 Thermocouple Data Logger: http://www.picotech.com/thermocouple.html

PT-104 Data Logger: http://www.picotech.com/pt100.html

Regards,
Hitesh

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Pico Technology
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