2
GB | Digital Multimeter
Read this instruction manual thoroughly before you begin using the MD-510. It contains
particularly important passages concerning occupational safety principles when using the
device. Such passages are highlighted. Reading the manual will prevent potential injury
by electric current or damage to the device. The multimeter was designed in accordance
with standard IEC-61010 which applies to electronic measuring devices within category
CAT III 600 V, pollution degree 2. The CAT III category is used to measure circuits powered
by a fixed output power supply, such as a relay, socket, switchboards, power supplies,
short branching circuits and lighting systems in large buildings.
Warning
Use the MD-510 multimeter only in the manner specified below. Other uses may cause
damage to the device or injury to your health. Comply with the following instructions:
• Before measuring resistance, diodes or current, disconnect the circuits from power
supply and discharge high-voltage capacitors. Use the corresponding function for
the given measurement. Before pressing the SELECT button to change functions,
disconnect the testing conductors from the tested circuit.
• Make sure the device is undamaged before you begin using the multimeter. If
you find obvious signs of damage on the body of the device, do not perform any
measurements! Check that the surface of the multimeter does not have scratches
and that the side joints are not coming apart.
• Also check the insulation on the measuring probes. Damaged insulation may result
in injury by electric current. Do not use damaged measuring probes!
• Do not measure voltages above 600 V! When making measurements, connect the
black conductor first and the red conductor second. When disconnecting the testing
conductors, disconnect the red one first.
• If you find that the meter makes abnormal measurements, stop using it. The fuse may
be damaged. If you are unsure of the cause of the defect, contact a service centre.
• Do not measure voltages higher than listed on the front panel of the multimeter.
Risk of injury by electric current or damage to the multimeter!
• Check that the multimeter works properly before use. Test a circuit with known
electrical quantities.
• Before you connect the multimeter to a circuit you intend to measure, turn off the
power to the circuit.
• Do not use or store the multimeter in environments with high temperature, dustiness
or humidity. It is also not recommended to use the device in environments with
potential strong magnetic fields or risk of explosion or fire.
• When replacing parts of the multimeter (e.g. batteries), use spare parts of the same
type and specifications. Change parts only when the multimeter is disconnected
and turned off. Disconnect the testing conductors from the tested circuit before
opening the rear casing of the device.
• Do not alter or otherwise interfere with the internal circuitry of the multimeter!
• Be extra careful when measuring voltages higher than 30 V AC rms, 42 V peak or 60
V DC. Risk of injury by electric current!
• When using measuring tips, make sure you are holding them behind the finger
barriers.
• Do not perform measurements if the multimeter's casing is removed or loose.
• Once the flat battery icon "
" appears on the screen, replace the battery. Otherwise,
subsequent measurements may be inaccurate. Incorrect measurements may then
result in injuries by electric current!
Maintenance Instructions
Warning
Do not attempt to repair or modify the multimeter in any way if you are not qualified to
do so or do not have access to the necessary calibration equipment. Ensure that water
does not enter the interior of the multimeter – you could prevent injury by electric current!
• Disconnect the measuring tips from the tested circuit before opening the casing
of the multimeter.
• Regularly clean the body of the multimeter with a moist cloth and a mild detergent.
Perform cleaning only when the multimeter is disconnected and turned off.
• Do not use solvents or abrasive agents for cleaning!
• If you are not using the multimeter for an extended period of time, turn it off and
remove the batteries.
• Do not store the multimeter in places with high humidity and temperature or in
environments with strong magnetic fields!
Содержание MD-510
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