Touch screen intelligent digital multimeter VΩ
directory directory 1. Safety information............................................................... 1 1.1 safety instructions................................................................ 1 1.2 electrical symbols................................................................. 1 1.3 maintenance..........................................................................2 2. The description......................................................................2 2.1 part name...............................
Safety information 1.Safety information To fully understand the function of the meter and ensure safe operation, please read and follow it carefully Follow the use method of this manual. Special care should be taken when using this meter, improper use may cause electric shock or damage to the meter. In use, it should follow the usual safety regulations and take effective safety precautions.
describe Comply with European Community (EU) standards. Grounding 1.3maintenance 1.3.1Do not attempt to open the bottom case to adjust or repair the instrument. Such operations should only be performed by technicians who are fully aware of the instrument and the risks of electric shock. 1.3.2The pen should be removed from the line under test before opening the instrument backing. 1.3.
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Technical indicators 3. Technical indicators Gauges shall be specified for a period of one year, between 18°C and 28°C, with relative humidity less than Recalibration in 75% condition. 3.1 Comprehensive Indicators 1.Automatic selection of measuring function and range. 2.Full range overload protection. 3.The maximum voltage between the measuring end and the ground is 1000V DC or 750V AC 4.Working height: maximum 2000m 5.Display: LCD 6.The maximum display value is 9999 digits. 7.
Technical indicators 3.2Technical indicators 3.2.1Alternating current Range Accuracy Resolution 999.9mA ± (1.0% reading + 8 digits) 10A －Minimum input current 20mA AC current －Maximum input current 10A AC current －Frequency range: 40HZ-1000Hz; 3.2.2Dc current Range Accuracy Resolution 999.9mA ± (1.0% reading +5 digits) 10A －Minimum input current 20mA DC current －Maximum input current 10A DC current 3.2.3Dc voltage Range Accuracy Resolution 999.9mV 9.999V ± ( 0.5% reading + 3 digits) 99.
Technical indicators 3.2.4Ac voltage Range Accuracy Resolution 999.9mV 9.999V ±( 0.8% reading + 5 digits) 99.99V 999.9V －In AUTO mode, the input voltage ranges from 0.5V to 1000V AC －In mV mode, the input voltage ranges from 0.0mV to 999.9mV AC －Frequency rate pattern: 40HZ-1000Hz 3.2.5Line connection test Range explain Resolution If resistance of the line be ing measured is less than 50 Ω , buzzer in instrument will make continuous alarming sounds.
Technical indicators 3.2.7Diode Range Resolution Accuracy －Input protection: the maximum value is 600V DC or AC. 3.2.8Capacitance Range Accuracy Resolution 9.999nF reading digits 999.9nF 9.999uF 99.99uF ±( 2.5% reading+20 digits) 999.9uF 9.999mF 99.99mF －Input protection: the maximum value is 600V DC or AC. 3.2.9The temperature Range Accuracy Resolution ± (1% reading +3℃) ± (1% reading +3℉) －Accuracy does not include error of thermocouple probe.
Operational guidelines 3.2.10Frequency 3.2 .10.1 Pass grade A: Range Accuracy Resolution reading digits －Measuring range: 40HZ-1000Hz －Input signal pattern: > 3A AC current (Effective Value) 3.2.10.2 Through V gear: Range Accuracy Resolution reading digits －Measuring range: 40HZ-1000Hz －Input signal pattern: > 0.8V AC current (Effective value) 4.Operational guidelines 4.
Operational guidelines 4.4Preparation before measurement 4.4.1 Tap the power source button to power on. If the battery voltage is low (about 2.8V), the monitor will display " " symbol, then should charge. Press the power button again to turn it off. 4.4.2 When the instrument is not measured, the instrument enters the automatic scanning state and the instrument displays 4. 5 Non-contact Voltage Detection (NCV) 4.5.1Touch the NCV key to enable the NCV function, and the instrument displays NCV 4.5.
Operational guidelines 4.6Ac-dc current measurement 4.6.1Insert the stylus into the 10A current input hole, and the current input terminal is inserted into the stylus automatic identification function on on Automatically enters the default DC current gear of the current gear system.
Operational guidelines DC mV measurement mode: when the measured signal < At 600.0mV, the meter will display the current measured DC voltage value. When the measured signal > The meter will display "OL" at 999.9mV. VΩ 4.8Ac voltage measurement Insert the black stylus into the COM jack and the red stylus into the V jack. Connect the pen to both ends of the voltage source or load for measurement, reading on the LCD. AUTO automatic measurement mode: when the measured signal > At 0.
Operational guidelines 4.9 Resistance measurement warning When measuring the impedance on the line, make sure that the circuit is disconnected and the capacitor on the circuit discharges completely. 4.9.1 Insert the black stylus into the COM jack and the red stylus into the " Ω " jack. 4.9.2 AUTO AUTO range tap. At this time, the meter is in automatic scanning state. 4.9.3 Connect the pen to the measured resistance or both ends of the line for measurement, reading in the LCD display.
Operational guidelines 4 .10 The line of fire test 4.10.1Touch the "Live" key to switch to LIVE gear, the instrument shows Live 4.10.2Connect the red test pen to the Live input socket. Insert the single pen into the power socket L jack or close to the live wire. If the instrument detects ac voltage, it will display voltage signal strength according to the detected signal strength, and the buzzer will give alarm sound of different intensity. 4 .11Capacitance measurement 4.11.
Operational guidelines 4.13.4 Read on the LCD. Note: The meter displays an approximation of the forward voltage drop of the diode. If the pen is connected inversely or the pen is open, the LCD displays "OL". 4 .14Line connection test VΩ warning Danger of electric shock. When testing the circuit on and off, make sure the circuit is disconnected and the capacitor on the circuit is completely discharged 4.14.1Insert the black marker into the COM jack and the red marker into the " " jack. 4.14.
Maintenance 5.Maintenance 5.1 Type - c line charging warning During the charging process, the meter pen should be removed from the measuring circuit to avoid the danger of lectric shock. If the " " symbol appears, it means to charge. 5.2Replace the test pen warning When replacing the stylus, you must replace the same or the same grade of the table. Pen meter must be in good condition, pen grade: 1000V 10A.
