Page 2
General This instrument is a high performance and accuracy digital multimeter driven by 9V battery. It uses the LCD with 26mm high figure to make the reading clear and the operation more convenient. This instrument can measure DC and AC Voltage, DC and AC Current, Resistance, Capacitance, Frequency, Diode, Transistor, Continuity, Temperature, etc.
Page 3
Property 1. General Properly 1-1. Display: LCD 1-2. Max display: 1999 (3 1/2 digit) automatic polarity display. 1-3. Measuring method: dual-integral A/D converter 1-4. Sampling Rage: approx. 3 times / sec. 1-5. Overrange display: LCD displays “1” or “-1” 1-6. Low battery display: “ ”symbol appearance 1-7.
Page 4
2-3-2.(ACV) Range Accuracy Resolution ±(0.8%+5d) 10mV 200V 100mV 750V ±(1.2%+10d) Input Impedance: 10 MΩ at all the ranges. Overload protection: 1000V DC or AC peak value. Frequency Response: (40~200)Hz at the Range below 20V (40~100)Hz at the Range 200V~750V Display: average value response (RMS of sine wave) 2-3-3.(DCA)...
Page 5
fast-blown fuse Frequency response: (40~200)Hz Display: average value response (RMS of sine wave) 2-3-5.(Ω) Range Accuracy Resolution 200Ω ±(0.8%+5d) 0.1Ω 2kΩ 1Ω 20kΩ 10Ω ±(0.8%+3d) 200kΩ 100Ω 2MΩ 1kΩ 20MΩ ±(1.0%+25d) 10kΩ 200MΩ ±(5.0%+30d) 100kΩ Open circuit voltage: less than 0.7V Overload protection: 250V DC and AC peak value.
Page 6
2-3-7.(f) Range Accuracy Resolution 20kHz ±(3.0%+18d) 10Hz Input sensitivity: 1V RMS value Overload protection: 250V DC or AC peak value (less than 15 seconds) 2-3-8.(℃) Accuracy Accuracy Resolution Range (-20~400)℃ ±(1.0%+5d) 1℃ (400~1000)℃ ±(1.5%+15d) 1℃ Sensor: K Type Thermocouple, banana plug WARNING: DO NOT input any voltage at this range for safety! 2-3-9.Diode and Continuity Test...
Page 7
Operation Method 1. Front Panel Description LCD: Display the measuring value HOLD Key: Press the key, the present measuring value is held on LCD, and appear “Hold” symbol, press the key again, disappear “Hold” symbol, and exist the Date Hold function Range Knob: Switch the measuring function and range...
Page 8
2. If LCD displays “1”, it indicates overload, should turn the knob to the higher range. 3. ACV Measurement 1. Insert the black lead into “COM” terminal, and the red lead into “V/Ω/Hz” terminal, turn the knob to the ACV range, then connect the test leads across the tested circuit.
Page 9
5. ACA Measurement 1. Insert the black lead into “COM” terminal, and red lead into “mA” terminal (max 200 mA), or red lead into “10A” terminal (max 10A) 2. Tern the knob to the ACA Range, then connect the test leads into the tested circuit in series.
7. Capacitance Measurement 1. Insert the red lead into “mA” terminal, and black lead into “COM” terminal 2. Turn the knob to the Capacitance Range, then connect the test leads across the tested capacitance (note the polarity of the red lead is positive) Note:...
Page 11
measuring the high voltage circuit. 6. Do not input more than 250V DC or AC peak value to avoid damaging the instrument. 9. .Diode and Continuity Test 1. Insert the black lead into “COM” terminal, and red lead into “V/Ω/Hz” terminal (Note: the polarity of red lead is positive) 2.
Page 12
Maintenance This is a high precise instrument; do not try to modify the inner circuit at will. Keep the instrument dry, and keep it away from dust and shock Do not store and use the instrument in high humility, high temperature, combustible, explosive and strong magnetic places.
FAULT ELIMINATION If the instrument does not work properly, the below methods can help you to solve the problems quickly. If the fault still can’t be eliminated, please contact the maintenance center or the distributors: Fault Solution Power off –pls turn on the power ...