Zotek ZT-109 Инструкция по эксплуатации онлайн
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Zotek ZT-109 Инструкция по эксплуатации онлайн

Zotek ZT-109 Инструкция по эксплуатации онлайн
A. Introduction
This product is the world's first 9999 counts palm-size auto-ranging digital
multieter. The product is battery-powered with true-rms, LCD display and backlight.
B. Safety Information
To avoid possible electrical shock, fire, or personal injury, please read all safety
information before you use the product.
(1) Do NOT exceed the “maximum value” indicated in the Specification.
(2) Examine the connection of the test leads and the insulation of the product
before measuring voltage higher than 36V DC or 25V AC.
(3) Disconnect the test leads from the circuit before changing the mode。
(4) Misuse of mode or range can lead to hazards, be cautious. “OL” will be shown
on the display when the input is out of range.
(5) Safety symbols:
C. Specifications
Hazardous Voltage
Earth
Double Insulated
Low Battery
Risk of Danger. Check the User Manual.
User Manual
- 1 - - 3 -
- 4 -
- 2 -
D. Instruction
(1) Front Panel（see the picture on the right）
1. LCD display
2. buttons
2a. RANGE/Backlight: press this button to enter
the manual range; each push increases the
range; when the highest range is reached,
next push will go back to the lowest range;
to exit the manual range mode, turn the
Rotary Switch to another mode and then
turn it back. To turn on the backlight, press
this button for more than 2 seconds; long-
press again to turn off.
2b. SELECT/HOLD: To toggle between different
testing modes (functions), press this button.
To hold the current reading, press this
button for more than 2 seconds and you
will see “HOLD” on the display; long-press
again to turn off.
3. Rotary Switch: To change mode or range。
(from OFF, clockwise)
3a. OFF
3b. DC Voltage (V)/AC Voltage (V)/Frequency (high voltage low frequency)/Duty
Cycle
3c. DC Voltage (mV)/AC Voltage (mV)
3d. Resistance/Continuity/Diode/Capacitance
3e. Frequency (low voltage high frequency)/Duty Cycle
3f. DC Current (mA&A)/AC Current (mA&A)
3g. DC Current (μA)/AC Current (μA)
3h. Square Wave Output
4. AmA: Input terminal for current (mA&A) measurements.
5. COM: Common terminal for all measurements.
6. VΩHz: Input terminal for voltage, current (μA), frequency, duty cycle, resistance,
continuity, diode, capacitance measurements. Outout terminal for square wave.
(2) Measure AC/DC Voltage
1. Connect the black test lead to the COM Terminal and connect the red test lead to
the VΩHz Terminal;
2. Turn the rotary switch to the DC Voltage (V) Mode, or the DC Voltage (mV) Mode;
3. Press SELECT to toggle between AC/DC;
4. Touch the probes to the correct test points of the circuit to measure the voltage;
5. Read the measured voltage on the display.
*Caution:
a. Do not measure voltage that exceeds the MAX Value as indicated in the
Specifications;
b. Do not touch high voltage circuit during measurements.
Electrical Specifications
Function Range Resolution Accuracy
MAX. Value
Other
DC Voltage
(V)
999.9mV
0.1mV
±(0.5%+3)
999.9V
9.999V
0.001V
99.99V
0.01V
999.9V
0.1V
DC Voltage
(mV)
9.999mV
0.001mV
99.99mV
99.99mV
0.01mV
AC Voltage
(V)
999.9mV
0.1mV
±(1.0%+3)
750V
40Hz
-
1kHz
9.999V
0.001V
99.99V
0.01V
750.0V
0.1V
AC Voltage
(mV)
9.999mV
0.001mV
99.99mV
99.99mV
0.01mV
DC Current
(mA&A)
999.9mA
0.1mA
±(1.0%+3) 9.999A
9.999A
0.001A
DC Current
(μA)
99.99μA
0.01μA
±(0.8%+3) 999.9μA
999.9μA
0.1μA
AC Current
(mA&A)
999.9mA
0.1mA
±(1.2%+3) 9.999A
40Hz
-
1kHz
9.999A
0.001A
AC Current
(μA)
99.99μA
0.01μA
±(1.0%+3) 999.9μA
999.9μA
0.1μA
Resistance
99.99Ω
0.01Ω
±(1.0%+3)
9.999MΩ
999.9Ω
0.1Ω
±(0.5%+3)
9.999kΩ
0.001kΩ
99.99kΩ
0.01kΩ
999.9kΩ
0.1kΩ
9.999MΩ
0.001MΩ
±(1.5%+3)
Function Range
Accuracy
MAX. Value
Other
Capacitance
9.999nF
±(5.0%+20)
9.999mF
99.99nF
±(2.0%+5)
999.9nF
9.999μF
99.99μF
999.9μF
9.999mF
±(5.0%+5)
Frequency
99.99Hz
±(0.1%+2) 9.999MHz
999.9Hz
9.999kHz
99.99kHz
999.9kHz
9.999MHz
Duty Cycle
1%~99%
±(0.1%+2)
Diode
√
Continuity
√
Square Wave Output
50Hz/100Hz/200Hz/300Hz/400Hz/500Hz/600Hz/700Hz/800Hz/
900Hz/1000Hz/2000Hz/3000Hz/4000Hz/5000Hz
General Specifications
Display
（LCD）
9999 Counts
Ranging
Auto/Manual
Material
ABS
Update Rate
3 Times/Second
Ture RMS
√
Back Light
√
Data Hold
√
Low Battery Alert
√
Auto Power Off
√
Mechanical Specifications
Dimension
130*65*32mm
Weight
114g
Battery Type
1.5V AAA Batteries * 2
Warranty
One year
Environmental Specifications
Operating
Temperature
0~40℃
Humidity
＜75%
Storage
Temperature
-20~60℃
Humidity
＜80%
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