Calibrating CO meter

It is recommended to calibrate CO monitors, such as CO-Check, approximately every six months.

Here's how you do it:

• Order here - you will receive an email with the order confirmation
• Send the device to us with a copy of your order confirmation
• You can order a shipping label here: LINK
• Approximately 5 days later, you will receive the device back. The return shipping (DK) is included in the price.
• If you want a free email reminder when your device should be tested, contact us.

Note that there is an option to choose which model of CO monitor needs to be calibrated - select above.