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User Calibration ‐ CM‐1000 ‐ 1 Point Calibration
The CM‐1000 GasLab® Pro Multi Gas Sampling Data Logger Series is calibrated using 100% CO2 Gas
To enter 1‐Point Calibration Mode, please follow the appropriate steps below:
1. Turn on CM‐1000 and wait for display to initialize.
2. Press and hold Mode (I) until first menu page appears ‐ confirm the screen shows "1/2".
3. Press Mode (I) again, and the second menu page will appear ‐ "2/2".
4. Press the Down arrow button (H) to scroll until “Sensor Calibration” is highlighted in Red.
5.
Press the Enter button (J) and “Sensor Calibration” will now be highlighted in
Purple.
6. Next, simultaneously press and hold both the UP (E) and Down (H) arrows at the same time to enter the
specific “Sensor Calibration” page.
7. Press the Enter button (J) to highlight “Target Sensor” in
Red
.
8. Press the Down arrow button (H) to scroll through the available sensors, for 100% we will press the
down button until "CO2" appears.
9. Press the Enter button(J) to select the desired target sensor.
10. Next press the Down arrow button (H) to highlight "Offset" in Red.
11. Connect your inlet port to a source of gas, such as 100% CO2 and wait for readings to stabilize.
12. Press the "Up" or "Down" arrow buttons to adjust the "Perform Reading" (ex. for CO2, read 10000).
13. Press and Hold the Enter button (J) to return to the main display screen.
14. The CM‐1000 series will now display approximately 99.99%.
15. Remove the 100% CO2 from the Inlet Port.
16. Congratulations, you have successfully calibrated the CM‐1000!