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3 1/2 2A Mini Digital Clamp Meter user manual
Ω
Ohms, Kilo-ohms, mega-ohms resistance test
μm / VA
Amperes（Current）or Milli-volts, Volts（Voltage）
MAX
The maximum value is being measured
－
Negative polar mark
GENERAL SPECIFICATIONS
Auto range and manual range options are available.
1.
Over range protection is provided for all ranges.
2.
Display：3 1/2-digit（1999 count）
3.
Measuring method：Dual slope integration A/D
4.
converter
Sampling speed：2-3 time/sec
5.
Unit display：Function and unit symbols displayed
6.
Polarity：Automatic negative polarity display
7.
Overload indication：Symbol "1"appears on the LCD
8.
Low battery indication：Symbol
9.
Auto power off time：15min
10.
Operation temperature：0~40℃,≦75%RH
11.
Storage temperature：-20℃~60℃, ≦75%RH
12.
Operation power：1.5V x 3AAA Batteries
13.
Dimension：203mm(L)x68mm(W)x33mm(D)
14.
Weight：187g（without battery）
15.
BUTTON FUNCTION AND AUTO POWER OFF
1.
HOLD: For measuring data hold, press the HOLD
button, the peak value of current data will be
keeping displaying on LCD; press it again to cancel
this function
2.
MAX: Maximum data hold button, when press this
button, the A/D converter will keep measuring, and
the display updating the data and hold the maximum
data
3. SELECT：Function selection button, press for
switching ohm / diode /continuity/ temperature
appears on the LCD
4
3 1/2 2A Mini Digital Clamp Meter user manual
function when tested objects change
4. Auto-power off : If there is no any operation within any
fifteen minutes after power is on, the meter will auto
power off. Turn the rotary selector or press any
function button to resume operation of the meter
under the auto power off mode. At the same time
when power on, if press the "HOLD" button, auto
power off will be disable.
NOTE：
(1) When the meter auto power off under temperature
measuring function, and rotate the selector to any
measuring function, the meter will be able to resume
operation, except ACV measuring function.
(2) After automatic turn-off, THEN press HOLD to
re-start, the function of automatic turn-off will be
cancel.
5. Buzzer
Set the selector to any measuring function (except
2/20A ACV function), press any button, the buzzer will
sound; otherwise, the button is idleness. One minutes
before auto power off, the buzzer continue sound in
five times, and one long buzz before power off.
Note: when the selector in measuring function of
2/20A ACV, the buzzer won't sound.
ELECTRICAL SPECIFICATIONS
Accuracy：±（%reading + digits）
Operation temperature：23 , 75%RH
Range
Resolution
200mV
0.1mV
±（0.8%+5d）
2V
1mV
20V
10mV
±（0.8%+3d）
200V
100mV
600V
1V
±（1.0%+5d）
℃ ≦
Accuracy
Overload
protection
600V rms
5
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