• AC frequency response: 50/60Hz
• If this meter is near to any place with strong magnetic field, it will display unstable or incorrect
induction reading that does not affect the measurement result.
9. Maintenance and Care
9.1. General Maintenance
• This meter is a precision instrument and, users should not change circuits without permission
• Please take waterproof, dustproof and anti-falling measures
• Do not store and use this meter in high temperature and humidity and under easily explosive and
flammable environment and in the strong magnetic field
• Please clean the housing of this meter with wet cloth and mild detergent rather than strong solvents
as abrasive, alcohol, etc
• If the battery is not used for long, please take it out in order to prevent the leakage from corroding this
meter
• Do not use DC or AC peak voltage more than 1000V
• Never measure voltage values at the current gear, resistor gear, diode gear and buzzer gear
• Do not use this meter before the battery is not installed properly or the back lid is not inserted tightly
9.2. Battery Installation
• Please pay attention when the “ ” sign appears on the display or when the meter doesn’t turn on.
Please replace the battery.
• Switch off the meter and remove the test probe in the input terminal or current lead clamped in.
• Place the meter face down and unscrew the screws on the battery lid and remove the lid.
• Take out the old battery and install new battery according to the polarity indication.
• Please use a battery with the same model and voltage as the original.
• After installing the new battery, insert the lid and tighten the screws.
This user’s manual is subject to any change without any notice. The content in this user’s manual is deemed
correct; if you find any mistake, omission, etc, please contact the manufacturer. We will not be held liable
for any accidents or harm caused due to wrong operation. The functions set forth in this user’s manual
shall not be regarded as reasons for applying this product for special purposes.
