DIGITAL MULTIMETER
OPERATION MANUAL
1. GENERAL
The instrument is a stable and high performance digital multimeter driven by
battery. It uses the LCD with 42mm
high make the reading is clearly. And the
function of 20sec. back light and overload protection make operation is
convenient.
The instrument has the function of measuring DCV, ACV, DCA, ACA,
resistance, capacitance, and diode, triode and continuity test. The instrument
takes dual-integral A/D converter as key point, is an excellent tools.
2. SAFETY NOTES
This series meter meets the standard of IEC1010. Read it before operation.
1
．
Do not input the limited voltage of 1000V DC or 750V AC RMS when
measuring voltage.
2
．
Voltage less than 36V is safety voltage. When measuring voltage higher than
36V DC, 25V AC, check the connection, insulation of test leads to avoid
electric shock.
3
．
When changing function and range, test leads should be removed from
testing point.
4
．
Select correct function and range.
5
．
When measuring current, do not input current over 20A.
6
．
Safety symbols
“
” exists high voltage
，“
”
GND
，“
”
dual insulation
，“
”
must refer to manual
，“
”
low battery
3. SPECIFICATION
1
．
GENERAL
1-1
．
Displaying : LCD displaying
1-2
．
Max. indication: 1999
（
3 1/2
）
, auto polarity indication
1-3
．
Measuring method: dual slope A/D transfer
1-4
．
Sampling rate: approx. 3 times/sec
1-5
．
Over range indication: MSD displays “1” or“-1”
1-6
．
Low battery indication: “
” symbol displays
1-7
．
Operation: 0
～
40
℃
，
relative humidity <80%
1-8
．
Power
：
one 9V battery (NEDA1604/6F22 or equivalent)
1-9
．
Meas.:190×93.5×37 mm
1-10
．
Weight: approx. 426g
（
including battery
）
1-11. Accessories: test leads, instruction manual, holster, gift box and battery
1-12. Test accessories: alligator, triode test accessory
2
．
TECHNICAL DATA
2-1
．
Accuracy: ±
（
RDG% + the lowest digit
）
at (23±5) ,<75%RH one year
℃
guarantee from production date
2-2
．
TECHNICAL DATA
2-2-1.DCV
RANGE
ACCURACY
RESOLUTION
200mV
±(0.5%+3)
100uV
2V
1mV
20V
10mV
200V
100mV
1000V
±(0.8%+10)
1V
Input resistance
：
all ranges: 10MΩ
Overload protection: 200mV range: 250V DC or AC peak value, other range:
1000V DC or AC peak value
2-2-2.ACV
RANGE
ACCURACY
RESOLU7TION
2V
±(0.8%+5)
1mV
20V
10mV
200V
100mV
750V
±(1.2%+10)
1V
Input resistance: 10MΩ Max
Overload protection: 1000V DC or AC peak value
Frequency response: lower than 200V range: 40~400Hz
，
750V range:
40~200Hz
Displaying: RMS of sine wave( mean value response)
2-2-3. DCA
RANGE
ACCURACY
RESOL.UTION
20uA
±(0.8%+10)
0.01uA
200uA
0.1uA
2mA
1uA
20mA
10uA
200mA
±(1.2%+8)
100uA
2A
±(1.5%+5)
1mA
20A
±(2.0%+5)
10mA
Max. measuring voltage drop: 200mV
；
Max. input current: 20A
（
within 10 sec.
）
Overload protection: 2A / 250V fast melt fuse, 20A infused
2-2-4. ACA
RANGE
ACCURACY
RESOLUTION
20mA
±(1.0%+5)
10uA
200mA
±(2.0%+5)
100uA
2A
±(3.0%+5)
1mA
20A
±(3.0%+10)
10mA
Max. measuring voltage drop:200mV
Max. input current: 20A
（
less than 10sec.
）
Overload protection: 2A / 250V fast melt fused, 20A range infused
Frequency response: 40~200Hz
；
Displaying: rms of sine wave(mean value response
）
2-2-5. RESISTANCE
（
Ω
）
RANGE
ACCURACY
RESOLUTION
200Ω
±(0.8%+5)
0.1Ω
2kΩ
±(0.8%+3)
1Ω
