Calibrating The Dl850E/Dl850Ev - YOKOGAWA DL850E User Manual

4.7

Calibrating the DL850E/DL850EV

CAL Menu
Press SHIFT+SETUP (CAL) to display the following menu.
Calibration
The following items are calibrated. Execute calibration when you want to make accurate
measurements.
• Vertical axis ground level and gain
Note
Calibration is performed automatically when the power switch is turned on.
Notes about Calibration
• Allow the DL850E/DL850EV to warm up for at least 30 minutes before you execute calibration.
If you execute calibration immediately after power-on, the calibrated values may drift due to
temperature changes or other environmental changes.
• Execute calibration in an environment with a stable temperature ranging from 5 to 40°C (23 ± 5°C
recommended).
• Do not apply signals when calibrating. Calibration may not be executed properly when input signals
are being applied to the DL850E/DL850EV.
Auto Calibration (Auto Cal)
Auto calibration is executed when you start signal acquisition if you have changed Time/div and any of
the time periods listed below has elapsed since the power was turned on.
• 3 minutes
• 10 minutes
• 30 minutes
• One hour and every hour thereafter
If calibration is executed while signals are being applied to the DL850E/DL850EV, we recommend that
you recalibrate the DL850E/DL850EV without any signals being applied to it.
4-14
Executes calibration
Executes power integration calibration
(/G5 option only)
Turns auto calibration on and off
IM DL850E-03EN