CLAMP MULTIMETER
OPERATION MANUAL
1.
General
It’s a kind of portable digital Clamp-Shape meter, with automatic
range, which may measure AC & DC voltage, AC current and
resistance, diode, continuity buzzer, frequency, temperature. etc.
2.
Features
Display: Maximum display 3999, Update about three times per
second
Polar indicator: Negative polarity automatic display
Overload indicator: Display”OL”.
Low battery indication: Displaying “
”
Operating environment: 0
C~40
C
，
75%RH(Max.)
Storage environment: -10
C~50
C
，
80%RH(Max.)
Power supply: (Size AAA, 6f22
）
1.5VX2
Size: 195X69X28mm
Weight: about 206 gram
Accessories: Manual, battery, test leads, temperature probe.
3.
Technical Indicators
Accuracy: ± (% reading
＋
word count); Ambient temperature
with accuracy ensured: (23±5)
℃
; RH
＜
75%.
3-1.ACV
（
V
～）
Range
Accuracy
400mV
（
individual range
）
/4/40/400V
±
(0.8%+10)
750V
±
(1.0%+10)
Input resistance
：
10M
Ω
Frequency
：
Sine wave and triangular wave :40
～
1KHZ,
other wave40
～
200HZ
3-2.DCV
（
）
Range
Accuracy
400mV
（
individual range
）
/4/40/400V
±(0.5%+4)
1000V
±(1.0%+6)
Input resistance
：
10M
Ω
3
-3.Resistance
（
Auto range
）
Range
Accuracy
400/4K/40K/400K/4M
±(1.0%+5)
40M
±(1.2%+10)
3-4.
ACV (Auto range
）
Range
Accuracy
400/600A
±(2.5%+8)
Frequency responce
：
40
～
100HZ
3-5.Duty cycle
Range
Accuracy
0.01%～99.69%
±1%
Above is the result of the 10%
～90%
duty cycle when resolution
below 50HZ.
3-6.Frequancy Hz (Auto range
）
Range
Accuracy
0
～
10MHZ
±
(0.3%+3)
3-7.Capacitance (Auto range
）
Range
Accuracy
40n/400n/4u/40u/1000uF
±(5.0%+8)
3-8.
Temperature
℃
/
℉
Range
Accuracy
-55
℃～400℃
±(3.0%+4)
-67
℉～752℉
4. Instruction on operating panel
4-1. Dada hold button
（
D.HOLD
）
When press this key, the LCD screen will display the "HOLD"
symbol and the last time
Reading, Until you press this key or the function knob is
converted, the symbol disappears,and resume reading.
The key has a backlight function, press this key for more than 3
seconds, then turn on the backlight; Press this button for more than
3 seconds, then the backlight is off.
4-2. Select keys
（
SELECT
）
Press "SELECT" key to turn on, the APO symbol on the display
disappears, the auto power off function is cancelled. If toggle the
knob to turn on normally, then it has auto power off function, it
will automatic shutdown
in 15 minutes without any
operation.
When the function knob in the range
, press this key to choose required measurement
function.
When the knob is in C / Fahrenheit range function by
pressing this button can be C / Fahrenheit Conversion.
In AC / DC mV range, press the select key can switch to
mV and AC mV
4-3. HZ/DUTY KEY
Press this key to seclect the frequency or duty cycle
measurement
