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03025/03026
- 03 -
20
Relative value measurement
Some functions support the relative value measurement. The measurement method is as
follows:
1. Set the meter to the desired function.
2. Make the probe contact with the circuit to be compared in subsequent measurement,
after which the meter will display a reading.
3. Press the “REL” button to save the reading as a reference value, and enter the relative
value measurement mode. At this time, the reading will become zero and a “
△
△
” symbol
will appear on the screen.
4. In the subsequent measurement, the screen will display the relative value, i.e. difference
between reference value and measured value.
Relative value = measured value - reference value
5. Press the “REL” button again, after which the meter will return to normal operation and
the “
△
△
” symbol will disappear.
Note:
In case of relative value measurement, the measured actual value shall not exceed the
maximum measurable value of the range; otherwise, it’s required to select a larger range.
Servicing
Automatic power-off
1. When the meter is out of use or stays at a position for more than 15 min, the meter will
be powered off and enter the sleep mode automatically.
2. After automatically powered off, the meter can be wakened by turning the function
switch or pressing the button once.
Maintenance
Do not attempt to repair or service the meter unless you are a qualified professional
technician and have sufficient instructions for calibration, performance testing and repair,
except for replacing batteries and fuse. The calibration is recommended to be performed
every 12 months.
Wipe the casing regularly with a damp cloth and a little detergent. Do not use abrasives or
solvents. If the terminal is dirty or wet, it may reduce the accuracy of reading.
Battery replacement
If the screen displays “
”, the battery is out of power and shall be replaced timely.
To replace the battery, remove the screws on the battery cover, open the battery cover,
replace the old battery with a new one of the same model and ensure the correct polarity.
Summary of Contents for 03025
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Page 3: ...03 1 ES PT JA RU EN DE KO ES PT JA RU EN DE KO 03025 03026 02 02 03 03 03 06 07 10...
Page 9: ...03 7 ES PT JA RU EN DE KO ES PT JA RU EN DE KO 03025 03026 1000Vdc 750Vac 03026 REL ZERO...
Page 10: ...03 8 ES PT JA RU EN DE KO ES PT JA RU EN DE KO 03025 03026 1Vrms 20Vrms 03026 1 2 3 8A...
Page 37: ...ES PT JA RU EN DE KO ES PT JA RU EN DE KO 03025 03026 03 35...
Page 42: ...ES PT JA RU EN DE KO ES PT JA RU EN DE KO 03025 03026 03 40 1000 750 03026 REL ZERO...
Page 43: ...ES PT JA RU EN DE KO ES PT JA RU EN DE KO 03025 03026 03 41 1Vrms 20Vrms 03026 1 2 3 8A...
Page 45: ...ES PT JA RU EN DE KO ES PT JA RU EN DE KO 03025 03026 03 43 1 2 3 REL 4 5 REL 1 15 2 12...
Page 46: ...ES PT JA RU EN DE KO ES PT JA RU EN DE KO 03025 03026 03 44 1 1 1 1 1 5 3 1 1 2 3...
Page 47: ...ES PT JA RU EN DE KO ES PT JA RU EN DE KO 03025 03026 03 45 46 46 47 47 48 49 51 54...
Page 53: ...ES PT JA RU EN DE KO ES PT JA RU EN DE KO 03025 03026 03 51 1000Vdc 750Vac 03026 REL ZERO...
Page 54: ...ES PT JA RU EN DE KO ES PT JA RU EN DE KO 03025 03026 03 52 1Vrms 20Vrms 03026 1 2 3 8A...
Page 56: ...ES PT JA RU EN DE KO ES PT JA RU EN DE KO 03025 03026 03 54 1 2 3 REL 4 5 REL 1 15 2 12...
Page 57: ...ES PT JA RU EN DE KO ES PT JA RU EN DE KO 03025 03026 03 55 1 1 1 1 1 5V AAA 3 1 1 2 3...
Page 69: ...ES PT JA RU EN DE KO ES PT JA RU EN DE KO 03025 03026 03 67 58 58 59 59 60 62 63 65...
Page 76: ...ES PT JA RU EN DE KO ES PT JA RU EN DE KO 03025 03026 03 74 03026 REL ZERO...
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