Cleaning And Maintenance; Technical Specifications - Velleman DVM8264 Manual De Uso

To measure current:
1. Turn off the power of the measured circuit. Discharge all the high-voltage capacitors.
2. Set the rotary switch to the proper range.
3. Connect the black test lead to the COM terminal and the red test lead to the mA terminal for a maximum of
200mA. For a maximum of 10A, move the red test lead to the 10A terminal.
4. Break the circuit path to be tested. Connect the black test lead to the more negative side of the break;
connect the red test lead to the more positive side of the break (reversing the leads will give a negative
reading, but will not damage the meter).
5. Turn on the power of the measured circuit and read the display. Be sure to note the measurement units at
the right side of the display (mA or A). When only the figure "1" is displayed, it indicates over range
situation and a higher range has to be selected.
6. Turn off the power of the measured circuit and discharge all the high-voltage capacitors. Remove the test
leads and recover the measured circuit.

5. Cleaning and Maintenance

1. Do not attempt to repair or service your meter unless you are qualified to do so and have relevant calibration,
performance test and service information.
2. To avoid electrical shock or damage to the meter, do not get water inside the housing. Remove the test leads and
any input signals before opening the housing.
3. Wipe the device regularly with a moist, lint-free cloth. Do not use alcohol or solvents.
4. To clean the terminals, turn off the meter and remove all the test leads. Shake out any dirt that may be in the
terminals. Soak a new swab with cleaning and oiling agent. Work the swab around each terminal. The oiling agent
insulates the terminals from moisture-related contamination.
5. Replace the battery as soon as the indicator ( ) appears to avoid false readings, which could lead to possible
electric shock or personal injury. Before replacing the battery, disconnect the test leads and/or connectors from
any circuit under test, turn the meter off and remove the test leads from the input terminals. Unscrew the two
screws on the battery cover using an appropriate screwdriver. Replace the battery and close the battery
compartment again.
6. Using this appliance in an environment with strong electromagnetic field (approx. 3V/m), may influence its
measuring accuracy. The measuring result can be strongly deviating from the actual value.

6. Technical Specifications

Environmental Conditions
Pollution Degree
Altitude
Operating Temperature
Storage Temperature
Temperature Coefficient
Max. Voltage between Terminals and Earth 750VAC rms or 1000VDC
Fuse Protection
Sample Rate
Display
Display Size
Over Range Indication
Low Battery Indication
Polarity Indication
Data Hold
Backlight
Auto Power-Off
Power Supply
Dimensions
Weight
Accessories
DVM8264
1000V CAT. II and 600V CAT. III
2
< 2000m
0°C ~ 40°C or 32°F ~ 122°F (< 80% RH, < 10°C)
-10°C ~ 60°C or 14°F ~ 140°F (< 70% RH, battery removed)
0.1x / C° (< 18°C or > 28°C)
mA, resettable fuse (F200mA / 250V)
3x/sec for digital data
3 ½ digits LCD with automatic indication of functions and symbols
18mm
yes ("1")
yes ( )
"-" displayed automatically
yes
white LEDs
yes
9V battery
195 x 92 x 55mm
± 380g (with battery)
manual, test leads, holster, temperature probe, 9V battery
- 7 - VELLEMAN