USER’S MANUAL
1.
SUMMARIZE
This meter is a handheld automatic range digital multiemter which
driven by battery. It can be used to measure such parameters as DCV,
ACV, ACA, Resistance, Continuity Buzzer, Diode, Frequency,
Temperature, etc.
2.
GENERAL
Displaying
:
Max. displaying:4000
,
Sampling rate: approx. 3 times/second.
Polarity indication
:
Automatic negative polarity indication
Over range indication
:
” OL” shown on the LCD
Low battery indication:
“
”
appears
Operation environment
:
0
℃~
40
℃,
R.H.< 75%.
Storage environment
:
-10
℃~
50
℃,
R.H.<80%.
Power supply
:
(
Size AAA
)
1.5V
×
2
Size
:
193
×
73
×
37mm
Weight
:
about 220g.
Accessories
:
user’s manual
,
battery
,
testleads
,
temperature probes
。
3.
TECHNICAL CHARACTERISTIC
Accuracy:
±
(a%×rdg
+
d) Temperature:(23
±
5)
℃,
R.H.<75%
3-1.ACV
(
V
~)
RANGE ACCURACY
4V/40V/400V
±(0.8%+10d)
600V
±(1.0%+10d)
Input impedance
:
10M
Ω
Frequency response
:
SIN wave and triangular wave is 40Hz
~
1kHz,
other wave is 40Hz
~
200Hz
3-2.DCV
(
)
RANGE ACCURACY RESOLUTION
400mV
±
(0.5%+7d)
0.1mV
4V 1mV
40V 10mV
400V 100mV
600V
±
(1.0%+6d)
1V
Input
impedance
:
10M
Ω
3-3.RESISTANCE
(
auto range
)
RANGE ACCURACY RESOLUTION
400
Ω
±
(1.0%+5d)
0.1
Ω
4k
Ω
1
Ω
40k
Ω
10
Ω
400k
Ω
100
Ω
40M
Ω
±
(1.2%+10d)
10kΩ
3-4.ACA A
~
(
auto range
)
Frequency response
:
50
~
60Hz
3-5.FREQUENCY Hz
(
auto range
)
RANGE ACCURACY RESOLUTION
1Hz
±
(0.3%+3d)
0.01Hz
10Hz 0.1Hz
100Hz 1Hz
1kHz 10Hz
10kHz 100Hz
100kHz 1kHz
1MHz 10kHz
10MHz 100kHz
Shows zero when the signal is less than 3Hz
;
sensitivity
:
1V RMS
3-6.CAPACITANCE
(
auto range)
RANGE ACCURACY RESOLUTION
4nF
±
(5.0%+40d)
1pF
40nF
±
(5.0%+10d)
10pF
400nF 100pF
4uF 1nF
40uF 10nF
1000uF 1uF
3-7.TEMPERATURE
℃/℉
RANGE ACCURACY
-20
℃~
400
℃
±
(3.0%+2d)
-4
℉~
752
℉
4.
FRONT PANEL DESCRIPTION
4-1.
Data Hold Key
(
HOLD/BL
)
When press the key, the “HOLD” symbol and the last reading of the
meter will be shown on the LCD, the symbol will disappear until
press the key again or turn the function switch, and the readings
comes back. Press “HOLD/BL
”
key to turn on the meter, the “APO”
symbol disappear, the auto power off function canceled. If turn on the
meter by switch as usual, the auto power off function is on, the meter
will turn off in 15 minutes if without any operation. This key got a
backlight function, press this key for 3 seconds, the backlight on; if
press this key again for more than 3 seconds, the backlight off.
4-2.Select Key
(
SELECT
)
Turn switch to or range, press the key can choose the
function you wish.
Turn to range
℃/℉
, and press the key can transform the unit
between
℃/℉.
4-3.Range Select Key
(
RANGE
)
ACV, DCV, ACA, RESISTANCE, etc. can be changed to auto range or
manual range by pressing the key. When it is under auto range, press
the key, then the “AUTO” symbol disappear. Then press the key for
RANGE ACCURACY RESOLUTION
4A
±
(4.0%+10d)
0.001A
40A 0.01A
400A 0.1A
600A 1A