Instruction manual

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1 INTRODUCTION
Thank you for purchasing LEADER’s measuring instruments.
Please read this instruction manual carefully to ensure correct and safe operation.
If you have any difficulties or questions on how to use the instrument after you have read this
manual, please feel free to contact your local LEADER agent.
After you have read the manual, keep the manual in a safe place for quick reference.
1.1 Scope of Warranty
This LEADER instrument has been manufactured under the strictest quality control
guidelines. LEADER shall not be obligated to furnish free service during the warranty
period under the following conditions.
1 Repair of malfunction or damages resulting from fire, natural calamity, or improper
voltage applied by the user.
2 Repair of an instrument that has been improperly repaired, adjusted, or modified by
personnel other than a factory-trained LEADER representative.
3 Repair of malfunctions or damages resulting from improper use.
4 Repair of malfunctions caused by devices other than this instrument.
5 Repair of malfunctions or damages without the presentation of a proof of purchase or
receipt bill for the instrument.
1.2 Operating Precautions
1.2.1 Line Voltage and Fuse
Confirm that the power line voltage is correct before connecting the power cord.
Usable AC voltage range of an accessory AC adaptor is 100 V to 250 V. The power frequency of
the power line should be 50/60 Hz.
If the fuse melted, please contact your local LEADER agent after confirming there is no
fire. (A fuse is in the power supply circuit inside the instrument.)
The voltage range of the DC power supply is 10 V to 18 V. Do not apply voltage
exceeding this range as it can cause a malfunction or fire.
WARNING