Check Your Filters

 

Just like the furnace filter in your house, many CO2 meters have filters to keep out liquids and dirt. And just like the furnace filter in your house, the filters in your CO2 meters need to be changed when they get dirty too.

Sampling Devices

CO2Meter’s Sampling Data Loggers and sensor devkits with micro-pumps have inline water, moisture and dust filters designed to allow air flow in while keeping out moisture, dirt, dust or mold spores that can affect the sensors.

If you are using your meter or sensor in a clean environment, these filters should be checked every 6 months. In dirty environments (for example, poultry or mushrooms) you should check the filters every 3 months or less.

How will you know when it is time to change the filter? Customer service tells us that most sampling meters returned for repair quit sampling even though the pump is running. In most cases, it was dust in the filter that wouldn’t let the gas sample pass correctly.

You can visually inspect most filters. When new, they are white. If they are tan, yellow or brown, it is time to change the filters.

Replacement filters can be ordered online here.

Unlike filters, inline water traps do not have to be replaced, simply open the trap, dump out the water, and re-seal it.

Ambient Air Data Loggers

Many of our ambient air data loggers use hydrophobic vent filters to keep out moisture and dust. While these filters will last for years, in harsh environments (like caves or mushroom farms) they should be inspected and changed regularly.

You can visually inspect most filters. When new, they are white. If they are tan, yellow or brown, it is time to change the filters.

Replacement filters can be ordered online here.

Posted by CO2 Meter on February 25, 2016.
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