HT instruments HT4022 - Manual (Page 55)

HT4020 - HT4022
EN - 22
5. MAINTENANCE
5.1. GENERAL INFORMATION
1. This digital clamp meter is a precision instrument. Whether in use or in storage, please
do not exceed the specifications to avoid any possible damage or danger during use.
2. Do not place this meter in high temperature and/or humidity or expose to direct
sunlight.
3. Be sure to turn the meter off after use. For long term storage, remove the batteries to
avoid leakage of battery fluid that can damage the internal components.
5.2. BATTERY
REPLACEMENT
When the LCD displays the " " symbol, replace the batteries
CAUTION
Only experts and trained technicians should perform this operation. Remove
the test leads or the circuit under test before replacing the batteries.
1. Turn the rotary switch to the OFF position
2. Disconnect the test leads from the jacks and any cable from the jaws.
3. Unscrew the battery cover screw and remove the cover.
4. Replace the batteries with two new one of the same type (see § 6.2). Pay attention to
the correct polarity.
5. Replace the battery cover and it’s screw.
6. Use the appropriate battery disposal methods for your area.
5.3. CLEANING
To clean the instrument, use a soft dry cloth. Never use a wet cloth, solvents or water, etc.
5.4.
END OF LIFE
CAUTION: this symbol indicates that equipment and its accessories shall be
subject to a separate collection and correct disposal.