Instruction Manual
107
5. User Calibration Function
It is recommended that the instrument be calibrated periodically.
The instrument can be calibrated.
CAUTION
To avoid electrical shock
• Onlyauthorizedengineersareallowedtocalibratetheinstrument
using dedicated facilities.
• Connectthecalibratortotheinstrumentwiththecalibrator’stestleads.
• Beforecarryingoutcalibration,readtheinstructionmanualofthecalibrator.
• Temporarilyremovethetestleadsfromtheinstrumentbeforeswitchingmeasurementmode
(function).
<Conditions of calibration>
Calibrator: With accuracy higher than of this instrument
Ambient Environment:
Temperature:23±3ºC
Humidity: 55%RH or less
Leavetheinstrumentfor30minutesunderaboveconditions
before carrying out calibration.
AfterreferencevalveofCalibratorstabilizes,Pressthekeytoconrmforcalibrationvalve.