Measurement range
Resolution
Voltage drop
precision (18 - 28 °c)
200
m
A
0,1
m
A
200 mV
± 0,8 % ± 1 dg.
2 mA
1
m
A
200 mV
± 0,8 % ± 1 dg.
20 mA
10
m
A
200 mV
± 0,8 % ± 1 dg.
200 mA
100
m
A
200 mV
± 1,2 % ± 1 dg.
10 A
10 mA
200 mV
± 2 % ± 5 dg.
Overload protection: 0.9 A / 950 V fuse, no Max. 20 A can be measured,
fuse protection in the 10 A range, for max. 5 seconds.
MEASURInG Ac cURREnT
The procedure is identical to measuring DC current, but now you need to turn the dial to the “A
∼
” position.
Measurement range
Resolution
Frequency
precision (18 - 28 °c)
2 mA
1
m
A
40Hz-1000Hz
± 1,2 % ± 3 dg.
20 mA
10
m
A
40Hz-1000Hz
± 1,2 % ± 3 dg.
200 mA
100
m
A
40Hz-1000Hz
± 2 % ± 3 dg.
10 A
10 mA
40Hz-1000Hz
± 3 % ± 7 dg.
Overload protection: 0.9 A/950 V fuse. Max. 20 A can be measured, for max. 15 seconds.
The 10 A range is not fuse-protected. (The average sinusoidal value is displayed.)
MEASURInG RESISTAncE
1. Connect the black measuring cord to the COM socket and the red cord to the V
Ω
mA socket.
2. If the value of the resistor to be measured is not known, turn the dial to the 20 M
Ω
position. The exact value of the resistance can be determined by gradually
progressing towards smaller measurement ranges.
3. If the resistor is not removed from the circuit, you must power off the circuit and discharge all capacitors.
4. You can now connect the cords to the part to be measured.
5. You can read the measured resistance from the display. The displayed value needs a few seconds to stabilize if you are measuring a resistor above 1 M
Ω
.
Measurement
Resolution
precision (18 - 28 °c)
200
Ω
100
Ω
± 0,8 % ± 3 dg.
2 k
Ω
1
Ω
± 0,8 % ± 1 dg.
20 k
Ω
10
Ω
± 0,8 % ± 1 dg.
200 k
Ω
100
Ω
± 0,8 % ± 1 dg.
2 M
Ω
1 k
Ω
± 0,8 % ± 1 dg.
20 M
Ω
10 k
Ω
± 1 % ± 2 dg.
Overload protection: 250 V DC/AC rms
DIODE TEST
1. Connect the black measuring cord to the COM socket and the red cord to the V
Ω
mA socket. The red cord’s polarity is “+”.
2. Turn the dial to the diode sign. You can now take measurements. Current flowing through the diode: 1 mA/2.8 V. (Connect red cord to the anode and black
cord to the cathode.)
3. The instrument displays the opening voltage in mV.
BROKEn cIRcUIT TEST
1. Connect the black measuring cord to the COM socket and the red cord to the V
Ω
mA socket.
2. Turn the dial to the speaker sign.
3. The resistance between the measuring pins is less than 50
Ω
, the instrument emits a beep. This way you can verify the conductivity of a cable.
TRAnSISTOR TEST
1. Turn the dial to the hFE test sign.
2. Connect the transistor to the socket in the front panel, keeping in mind the type’s wiring (you can test NPN as well as PNP transistors).
3. The display shows the amplification factor between 1 and 1000. The measurement current in the base is 10
m
A, V
CE
= 2,8 V.
STORInG MEASURED VAlUES
1. You can store the value currently shown in the display by pressing the “H” button.
2. To clear, press the button again, or turn off the instrument.
3. The letter “H” that appears on the left in the display indicates that the Hold function is active.
REplAcInG ThE BATTERY AnD ThE FUSE
A melted fuse is always the result of faulty operation (incorrect use of the instrument). To replace the battery and the fuse you need to remove the back over.
Always make sure to insert the new battery with the correct polarity.
Note: when the display shows a battery symbol, it is an indication that the battery is low. When that happens, replace the battery as soon as possible;
otherwise, measurements are not guaranteed to be precise.
Battery type: 9 V (6F22)
Fuse: F0,2 A/250 V
IMpORTAnT InSTRUcTIOnS
• NEVER CONNECT VOLTAGE LARGER THAN 1000 V DC OR 750 V AC, OR CURRENT LARGER THAN 20 A TO THE INSTRUMENT.
• NEVER CONNECT VOLTAGE TO THE INSTRUMENT WHEN USING IT IN THE “
Ω
” MODE.
• WHEN TAKING MEASUREMENTS ONLY CHANGE BETWEEN FUNCTIONS AFTER DISCONNECTING THE MEASUREMENT
CORDS.
• BE CAUTIOUS WHEN MEASURING VOLTAGE ABOVE 60V DC OR 30 ACEFF.
• KEEP IN MIND THAT CERTAIN DEVICES (SUCH AS TV SETS OR ADAPTORS) CAN SEND HARMFUL ELECTRIC
SHOCKS TO THE INSTRUMENT
digital multimeter
M 92X
GB