Victor 9205D User Manual

VICTOR 9205D 3 1/2 digital multimeter
USER'S MANUAL
DIGITAL MULTIMETER
1. Overview
The instrument is a high reliability digital multimeter driven by battery, with stable
function and performance. The meter uses LCD display for clear reading and more
convenient use.
This instrument has the function of measuring DC voltage and AC voltage, DC current and
AC current, resistance, capacitance, diode, transistor, continuity test, Live(mains power
line judgment);The whole machine with A/D conversion as the core, it is a superior
performance instrument, is the ideal tool for laboratories, factories, radio enthusiasts and
families.
2. Open the Package for Checking
Open the box, take out the meter, checking the items below if they are missing or
damaging:
1. Manual
2. Test leads
3. 9V Battery
Please contact with your supplier, if you find out any problems.
3. Comprehensive Characteristics
1-1. Display mode : LCD display;
1-2．Maximum display: 1999 (3 1/2 bits) automatic polarity display;
1-3．Measurement method: double integral A/D conversion;
1-4．Sampling rate: about 3 times per second;
1-5．Over range display: the highest bit display "OL" or "-OL";
1-6. Low voltage display: " " symbol appears;
1-7.Working environment: (0 ~ 40)℃, relative humidity <80%RH
1-8.Storage environment :-20℃ ~ 60℃, relative humidity <85%RH;
1pc
1pair
1pc
1-9.Power supply: one 9V battery;
1-10.Volume (size) :(167×81×43) mm
1-11.Weight: Approx. 167g (No batteries)
4. Measurement Operation Instructions
First please pay attention to check the battery, put the knob in the desired measurement
position, if it is with low battery, the LCD display will appear "
symbol " " next to the test lead jack which warns you to pay attention to the test
voltage and current do not exceed the indicated value
(I). AC and DC voltage measurement
A. Turn the knob to the appropriate ACV/DCV gear. If the measured voltage is unknown,
should select a larger range and gradually reduce it until obtain the highest resolution
reading
B. Insert the red watch pen into the "
jack.
C. Touch the test marker reliably to the test point, and the screen will display the
measured voltage; When measuring the DC voltage display, it is the voltage and
polarity of the point connected to the red marker.
Attention
1) .Do not measure DC voltage higher than 1000V or AC voltage higher than 750V,
although it is possible to read the reading, but it will damage the internal circuit and
harm yourself, before measuring if you do not know the range of voltage values to be
measured, you should set the range switch to high range, according to the reading
needs to gradually lower the measurement range .
2) When the LCD only displays "OL" at the high level, it indicates that the range has
been exceeded, and the range must be adjusted higher. At each range,the input
impedance of the meter is 10MΩ. This load effect will cause measurement errors
when measuring high resistance circuits. If the impedance of the circuit under test is
less or equal than10kΩ, the error can be ignored (0.1% or less).
3) After completing all measurement operations, disconnect the watch pen from the
measured circuit.
4) .When measure the AC/DC voltage is higher than 24V, a high voltage symbol appears
on the on-screen meter. The tester should wear personal protective equipment
(approved rubber gloves, masks and flame-retardant clothing, etc.) to prevent electric
" symbol. Note the
" jack and the black watch pen into the "COM"