Contents General------------------------------------------------------------------1 Open-Package Inspection------------------------------------------2 Safety Note -------------------------------------------------------------2 Instrument Panel& Button Function Description---------------5 Other Functions--------------------------------------------------------6 Properties----------------------------------------------------------------6 Instrument Maintenance--------------------------------------------16 Fault Elimination------------------------------------------------------17 General This product equipped with the LCD display of text height 15mm, is a 3 3/4 digital multimeter which has the merits of clear reading, stable performance and high reliability.
Open-package Inspection Open the package box and take out the meter, check carefully if the following accessories are missing or damaged. If there is anything missing or damaged, please contact the distributor immediately. Digital multimeter 1 PC User’s manual 1 copy Test leads 1 pair Temperature Probe (K-Thermocouple)
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the test leads must be removed from the measuring point and ensure there is no any signal at the input terminal. Don’t use other unconfirmed or disapproved battery to replace the battery inside the meter. Only the same model or same electrical specification battery can be replaced.
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sure to disconnect the line of the test lead with the measured object first and ensure there is no any input signal. It is forbidden to switch the function/range selection switch during measurement 12. When “ ” is shown on LCD display, please replace battery immediately to ensure the measurement precision.
Instrument Panel & Function Button Description 1. Instrument model number 2. LCD Display: Displays the measured data and unit. 3. Function Button 3.1 Hz/% (Frequency/Duty Cycle) Press this button to select the frequency or duty cycle mode. The measurement mode of voltage/frequency/duty cycle or current/frequency/duty cycle could be selected by pressing...
5.3. Voltage, Diode, Resistance, Capacitance, Frequency, Buzzer, Temperature and“+” Input terminal with current less than 400mA. Other Functions Auto Power off During measurement, the meter will automatically shut down (enter sleeping mode) to save power if function buttons and knob switch are not operated for 15 minutes. In auto power off mode, press any function buttons or rotate the knob switch, the instrument will get into the auto power on mode (working mode)
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Technical Features 2-1. Accuracy: ± (a%× reading +digits),at (23±5)˚C, relative humidity<75%. One year calibration guarantee from the time dispatched from the factory. 2-2. Technical Specification 2-2-1. DCV A) Turn the knob switch to “ “Range B) The default state of the meter is automatic range status, which shows “AUTO”...
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2-2-2. ACV A) Insert black test lead into the hole of “COM” and red test lead into “ “ B) Rotate function switch to “ “, press “SELECT” button to select the AC measurement mode. C) The default state of the meter is in automatic range status, which shows “AUTO”...
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2-2-3. DCA A) Insert the black test lead into the “COM” input terminal and red test lead into the “ “input terminal. (Max 400mA), or 10A input terminal (Max 10A). B) Rotate function switch to Current. The default state of the meter is in automatic range status, which shows “DC”...
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2-2-4. ACA A) Insert the black test lead into the “COM” input terminal and red test lead into the “ “input terminal. (Max 400mA), or 10A input terminal (Max 10A). B) Rotate function switch to Current. Press “SELECT” button to select the AC measurement mode.
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2-2-5. Resistance (Ω) A) Insert the black test lead into “COM” terminal and red test lead into “ “terminal. B) Rotate the Range to “Ω”. Cross connect the two test leads to the tested resistor. C) When measuring the low resistance, please short-circuit the test leads at first to test the wire resistance, and then deduct it from the actual resistance.
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2-2-6.Diode and Continuity Test A) Insert the black test lead to “COM” terminal and the red test lead to “ ” terminal. (The polarity of red test lead is“+”). B) Rotate the Range to “ “. Press “SELECT” button to select the Diode measurement mode.
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2-2-7. Capacitance (F) A) Rotate function switch to “ “. B) Insert the black test lead to “COM” terminal and red test lead to “ “ terminal; C) Connect the tested capacity by the test leads to “COM”, “ “ input terminal, the screen will show capacitance parameter.
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2-2-8. Frequency (Hz) A) Connect test leads and shielded cable to “COM”, “ ” terminals. B) Rotate function switch to “Hz”. Connect test leads and the cable to the signal source or the tested load. The tested signal will show on the screen. Caution: 1.
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2-2-9. Temperature (˚C) A) Rotate function switch to (˚C). B) Insert the cathode (black pin) of cold end (free end) of thermocouple into “COM” jack and anode into “ ” terminal. Then put the working end (temperature measurement end) of thermocouple on the surface or inside the object to be tested.
Instrument Maintenance This is a precision instrument and the user shall not modify the electric circuit as well. 1. Keep the instrument away from water, dust and shock. 2. Do not store and operate the meter under the condition of high temperature, high humidity, combustible, explosive and strong magnetic place.
Fault Elimination If the instrument does not work properly, please try the following tips to solve some general problems. If the problems still exist, please contact the maintenance center or the distributor. Fault Solution Turn on power. No Display Replace battery symbol appearance Replace battery.
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