8230E Optical Power Meter Operation Manual
7.2 Precautions
7-2
7.2
Precautions
1. When calibrating, avoid any dust, impact, and noise, and perform the calibration under the following
environmental conditions:
Temperature
23
C
5
C, temperature change of
1
C
Relative humidity 70% or less
2. This instrument requires a warm up of 30 minutes or more. Sufficient warm-up time is also required for
the measuring instrument before starting calibration.
The 6245 requires a warm up of one-hour or more.
3. Calibration cannot be performed by using the key pad. Perform calibration by remote control through
the USB.
4. After the calibration is complete, it is recommended to write the dates of the calibration and the next
calibration on the sticker and affix it to the instrument.