Setting The Calibration Password - Omega Engineering OM-70 Series User Manual

channel you would like to calibrate and click OK. Each channel must be calibrated separately.
The User Calibration window for the channel you selected will appear:
To perform the calibration:
1. Select a stable and accurate reference instrument. It is best to use a reference instrument that has at least 2
to 4 times the accuracy of the logger you are calibrating. For instance, if the accuracy of the logger
temperature is given as +/-1ºF, the accuracy of your reference instrument should be at least +/-0.5ºF to +/-
0.25ºF.
2. Place the logger and the reference sensor in a stable environment. For temperature and humidity, it is best
to place the logger and the reference sensor in a regulated chamber.
3. Wait for your reference instrument and the reading in the "Logger Reading" box to stabilize.
4. Enter the reading from your reference instrument in the "Reference Instrument" box, and hit the Calibrate!
button.

Setting the Calibration Password

To change the calibration password select Calibrate... from the Logger menu. When the Calibration Password
window is displayed, do the following::
•
Enter the current calibration password in the "Enter Calibration Password" box. If you are setting the password
for the first time, do not enter anything in this box since the logger is initialized with no password..
•
Enter the new password in the "New Password" box.
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