VC97 - AideTek

VC97 - AideTek 600mV 0.1mV -5.Please move the test leads away from test points when 1User’s manual for VC99 3 6/7 DMM 6V 1mV ?(0.5%+3) switching the function. 1.SUMMARY 60V 10mV This digital multimeter is a steady performance, 1-6.Please don’t input voltage value when measuring current. 600V 100mV 1000V ?(0.8%+3) 1V battery-driven 3 6/7 digital multimeter. It uses the LCD with 1-7.Please don’t modify the circuit. Input impedance: approx. 10MΩ 23mm-high figure to make the reading clear and make 1-8.Introduction for safety symbol: Overload protection:1000V DC or 750V AC. operation more convenient. 2-3.AC Voltage(ACV) “” exists high voltage; “” GND “” dual insulation The digital multimeter has the function of measuring DCV, Range Accuracy Resolution “” must refer to manual “” Low battery. 6V 1mV ACV, DCA, ACA, resistance, capacitance, frequency, 60V ?(0.8%+5) 10mV 3. SPECIFICATION 600V 100mV temperature, duty cycle, transistor and diode, continuity 1. General features 750V ?(1.0%+5) 1V 1-1. Displaying: LCD; Input impedance: approx. 10MΩ performance test .The meter can provide functions including 1-2.Max display: 6000(3 6/7) digits automatic polarity, unit Overload protection:1000V DC or 750V AC. analog bar and unit symbol display, data holding, relative symbol and 61 section analog display; Frequency response:(40,200)Hz under 750V ,other value measuring, maximal/minimal value measuring, -3. Measurement method: double integral A/D conversion; 1range:(40,400)Hz. 1-4. Sampling rate: approx.3 times/sec. auto/manual range switching (RANGE), auto power off and Sine wave RMS(Average value response). 1-5. Over-range display: “OL” displayed in the highest digit. 2-4.DC Current(DCA) warning functions .it adopts double integral A/D converter as 1-6. Low battery display:“” Range Accuracy Resolution 600uA 0.1μA its core. It is an ideal tool for labs, factories and 1-7. Working environment: (0,40)?, relative humidity: 6000uA 1μA ?(1.0%+3) <80%; radio-technology. 60mA 10μA 1-8.Store environment: (-10,40)?, relative humidity: 600mA 100μA 2.SAFTY NOTES: 6A 1mA <80%; ?(2.0%+5) 20A 10mA The instrument is designed according to IEC1010 1-9.Power supply:2pcs 1.5V battery(“AAA”7# battery); MAX measurement voltage drop::full range mA :300mV，standard (safety standard issued by International Electro 1-10. Dimension: 185×93×35mm (length*width*height); A:100mV。 technical Committee). Please read the following before 1-11. Weight: approx..290g((including battery); Max input current: 20A (within 15 seconds) operation. 1-12.Accessories: test leads, user manual, temperature probe, Over load protection: 500mA/ 250V and 13A/250V 1-1.Check the connection and insulation of test leads to avoid holster, gift box, and 2*1.5V battery. fast molten fuse. electric shock. 2. TECHNICAL FEATURES 2-5.AC Current(ACA) 1-2.Do not input a limited voltage higher than DC 1000V or 2-1. Accuracy: ? (a% × reading data + digits), environment Range Accuracy Resolution AC 750V when measuring ranges. 600uA 0.1μA temperature at (23?5) ?, relative humidity<75%, One year 1-3.When measuring voltage higher than DC 60V, AC 40V, 6000uA 1μA guarantee since production date. ?(1.2%+5) 40mA 10μA please be careful. 2-2.DC Voltage(DCV) 600mA 100μA 1-4. Select correct function and range to avoid fault operation. 6A ?(2.0%+10) 1mA Range Accuracy Resolution 20A 10mA 100kHz 100Hz 2.Function key: 1MHz 1kHz MAX measurement voltage drop::full range mA :400mV，2-1.HOLD key:press it, the presently measured value is held 60MHz 10kHz A:200mV。 on LCD and HOLD symbol displays. Press it again, HOLD Input sensitivity:0.7V Max input current: 20A (within 15 seconds) symbol disappears, and the meter is exited the holding mode. Over load protection: 250V DC or AC peak value; Over load protection: 500mA/ 250V and 13A/250V 2-2. REL key:press it，reading clear，turn into relative value 2-9.Transistor(hFE) fast molten fuse. measurement states，“REL”symbol displays, Press it TESTING RANGE VALUE Frequency response::20A range:40,100Hz,other again,“REL” symbol disappears, and the meter is exited the CONDITION range:40,400Hz。 Basic current relative mode. 2-6.Resistance(Ω) NPN OR PNP 0,1000 approx.15μA，Vce 2-3. Hz/DUTY key:When measuring the AC Voltage approx.4.5V Range Accuracy Resolution (Current)，press it，it will switch Frequency/duty 600Ω ?(0.8%+5) 0.1Ω 2-10. Diode and continuity performance test 6kΩ 1Ω cycle/Voltage(Current)，When measuring the Frequency ,it ranTESTING 60kΩ 10Ω VALUE ?(0.8%+3) ge CONDITION will switch frequency/duty cycle(1~99%)。 600kΩ 100Ω Forward DCA is 6MΩ 1kΩ 2-4.”DC/AC”key: switch DC and AC work mode.. 60MΩ ?(1.2%+5) 10kΩ Forward voltage drop approx. 0.5mA, the 2-5.RANGE key:select auto range or manual range mode, of diode backward voltage is Open circuit voltage::600mV approx 1.5V Auto range is the original states, it will display ”AUTO” Over load protection: 250V DC or AC peak value; Buzzer makes a long Open circuit voltage is symbol ，press it change to manual range .Press it more than sound while resistance NOTE: At range 600 Ω, short-circuit the test leads to approx. 0.5V is less than (50?10)Ω 2 second , it will return to auto range states measure the wire resistance and then subtracts it from the real Over load protection: 250V DC or AC peak value; 2-6.MAX/MIN key :press it, turn into MAX mode, it will measurement. Or press “”REL” to clear the wire resistance CAUTION:DO NOT INPUT VOLTAGE AT THIS RANGE! hold the max value of measuring, press it again ,turn into and read the value directly. 2-10. TEMPERATURE(?) MIN mode, it will hold the min value of measuring. No auto 2-7.CAPACITANCE(C) RESOLUTIRANGE VALUE RANGE ACCURACY RESOLUTION power off and analog bar display under this mode. Press it ON 40nF ?(3.5%+10) 10pF more than 2 second , it will exit MAX/MIN states. ,400? ?(0.8%+4) -40?-1000? 1? 400nF 100pF 3. hFE transistor COM 4μF ?(2.5%+5) 1nF ?400? ?(1.5%+15) 4. Knob:Switch measuring 40μF 10nF ,750? 400μF 100nF function and range. ?(0.8%+5) ?(5.0%+8) 2000μF 1uF 0F-1832? ? ?750? 5. Temperature COM Overload protection :250V DC or AC peak value. ?(1.5%+15) 6. Voltage、Current、resistance、2-8.REQUENCY(F) Sensor:TP01(K type thermocouple) frequency and GND COM. RESOLUTIOCAUTION:DO NOT INPUT VOLTAGE AT THIS RANGE! RANGE ACCURACY N 7.battery case. 4. OPERATION 10Hz 0.01Hz See picture 1 100Hz 0.1Hz 4-1. Panel description ?(0.5%+4) 1000Hz 1Hz 4-2.DCV measuring 1. LCD: display the measuring value and unit. 10kHz 10Hz 1.Select the knob to range. 2. Insert the black test lead to “COM” terminal and the red then select the proper range based on displaying value. If to select the measurement mode ,and connect the leads one to “V/Ω/Hz” terminal. LCD displays “OL”, it means meter is over the max. Value of crossly to the electric circuit under test. LCD displays current 3.Auto range is the original states, it will display ”AUTO” this range, thus should select the knob to a higher range. by the test lead. symbol，press “RANGE” key change to manual range mode，. Do not input a voltage over AC 750V. 2Note: 600mV、6V、60V、600V、1000V range is selective; 3. Be carefully while measuring a high voltage. DO NOT 1 Firstly users should select the knob to the highest range, if 4. Connect the leads crossly to the electric circuit under test; touch the high voltage circuit. users had no idea about the range of current under test, and LCD displays polarity and voltage under test connected by 4.When the measuring voltage large than AC750V ，the built then select the proper range based on displaying value . the red test lead. –in buzzer will be sounds. 2.If the LCD displays “OL”，it means the current is over Note: 4-4.DCA measuring range. Now you need to select the knob to the higher. 1. Firstly users should select the knob to the highest range, if 1.Insert the black test lead to “COM” terminal and the red one 3.Max. input current is 600mAor 20A(subject to where the users had no idea about the range of voltage under test, and to “mA” terminal (the Max. 600mA) or to “20A”(the red test lead insert to), too large current will damage the fuse. then select the proper range based on displaying value. If Max.20A); 4-6.Resistance measurement LCD displays “OL”, it means meter is over the max. Value of 2.Select the knob to a proper DCA range, press “DC/AC” key 1. Select the knob to a proper resistance range, and connect this range, thus should select the knob to a higher range. to select the measurement mode, then connect the leads the leads crossly with the resistor under tested. crossly to the electric circuit under test; LCD displays polarity 2. Do not input a voltage over DC 1000V. 2.insert the black lest lead to “COM” terminal and the red one and current under test connected by the red test lead. 3. Be carefully while measuring a high voltage. DO NOT to “V/Ω/Hz” terminal.; Note: touch the high voltage circuit. 3.Auto range is the original states ,press “RANGE”key 1. Firstly users should select the knob to the highest range, 4.When the measuring voltage large than DC1000V ，the change to manual range mode. if users had no idea about the range of current under test, built –in buzzer will be sounds. 4.When measuring the min. resistance ,please short-circuit the 4-3.ACV measuring and then select the proper range based on displaying test leads at first, press “REL” ,then test the resistance ,it will 1.Select the knob to “” range; value . display the actual resistance. 2. Insert the black test lead to “COM” terminal and the red 2. If the LCD displays “OL”，it means the current is over Note: one to “V/Ω/Hz” terminal. range. Now you need to select the knob to the higher. 1 Firstly users should select the knob to the highest range, if 3. Auto range is the original states, it will display ”AUTO” 3. Max. input current is 600mA or 20A(subject to where users had no idea about the range of resistance under test, and symbol，press “RANGE”key change to manual range mode，the red test lead insert to), too large current will damage then select the proper range based on displaying value . 6V、60V、600V、750V range is selective; the fuse. 1. The LCD displays “OL” when the resistance is over the 4. Connect the leads crossly to the electric circuit under test, 4-5.ACA measuring selected range. The knob should be adjusted to a higher range. LCD displays voltage by the test lead. 1.Insert the black test lead to “COM” terminal and the red one When measuring value is over 1MΩ, the reading will take a Note: to “mA” terminal (the Max. 600mA) or to “20A”(the 1. Firstly users should select the knob to the highest range, if few seconds to be stable. It’s normal for high resistance Max.20A); users had no idea about the range of voltage under test, and measuring. 2. Select the knob to a proper ACA range, press “DC/AC” key 5.The complete diode testing include forward and backward 3.Press“Hz/DUTY” key to switch frequency/duty cycle，it 2. When input terminal is in open circuit, overload displays measurement, if the result isn’t meet the above, it means the will display the frequency or duty cycle of the signal source “OL”. which is tested. diode is bad. 3. When measuring in line resistor, be sure that the power is 5. press “DC/AC” key to select the Continuity measurement Note:off and all capacitors are released completely. 1. There is only the auto range mode under the frequency mode. 4. Do not input any voltage at resistance range even the meter range; 6.Insert test leads to two points of tested circuit, if the inner has voltage protection functions at this range! 2. The meter can still work if the input is higher than 10Vrms, buzzer sounds, the resistance is less than (50?10)Ω. 4-7.Capacitance measurement but the accuracy is not guaranteed; Note: 1.select knob to “”range; 3. In noise environment, you'd better use shield cable to 1.Don’t input voltage at “” range. 2. insert the black lest lead to “COM” terminal and the red measure a low signal; 2.Make sure be power off and discharge the capacitor，any one to “V/Ω/Hz” terminal.; 4. When measuring high voltage circuit, any parts of your AC signal 3.if the LCD doesn’t display “0”, press “REL” to clear the body should not touch the high voltage circuit; will make the buzzer sounds. reading; 5. Don’t input voltage higher than 250V DC or AC peak value, 4-11.Temperature measurement 4.Select the knob to proper capacitance range, and insert the 1.Select the knob to“?/ ?”range. or it may damage the meter. measuring accessories or test leads into “COM” and 2.Insert the cold point of thermocouple to“ K Temp”socket ， 4-9.Transistor hFE measuring “VΩHz”” terminal.(Note :the red test leads is for positive 1.Select the knob to hFE range; put the working end (temperature measurement end) of ，pole?).LCD displays capacitance value. 2.Define the transistor is NPN or PNP type, insert the emitter, thermocouple on the surface or inside the object to be tested. Note: base and collector separately to the correct hole, the approx. Then you can read temperature from the screen, and the data 1. Don’t input voltage or current to the “VΩHz”terminal value will be displayed on LCD. is in Centigrade .press “DC/AC”key to select Fahrenheit, the when measuring the capacitance or the capacitance isn’t data is in Fahrenheit. 4-10. Diode and Continuity performance test: away from the “Cx” terminal. 1. Insert the black test lead to “COM” terminal and the red Note: 2. In order to assure the accuracy, please press “REL” to one to “V/Ω/Hz” terminal (the polarity of red lead is “+”) 1.If insert the thermocouple opposited , it will display the clear the reading before testing. 2.Select the knob to range ,press “DC/AC” key to mistake value ,when the temperature is rising, the value will 3. There is only the auto range mode under the capacitance select the measurement mode, connect test leads with the be down. range. diode under tested, 2.when the input terminal open-circuit ,it will display the 4. The capacitance must be complete discharge before testing. 3.Forwarder measuring :insert the red test leads connect to normal temperature. 5. The reading of 400uF range delay 15 seconds diode positive polarity, the black test leads to diode cathode 3.Don’t change the temperature probe optionally ,or the value 4-8.Frequency measurement polarity, the reading is the approx. value of diode forward volt accuracy isn’t guarantee. 1. Insert the black lest lead to “COM” terminal and the red drop. 4.Don’t input voltage at temperature range. one to “V/Ω/Hz” terminal.; 4.backward measuring: the red test connect to diode cathode 4-12. Data holding 2.select the knob to“Hz”range，insert the test leads or shielded polarity, the black test leads to diode positive polarity ,the Press HOLD key,presently measured value is held on LCD cable to the signal source or the load which is tested. LCD display “OL”; and HOLD symbol displays. press it again ,the function is 9-2.Unlock the button and remove the battery case; 9cancelled. -3. Take out the old battery and replace the new one. It's 4-13.Auto power off better to use alkaline battery for longer life. 1. When the meter stops work about 15 minutes, the built-in -4.fit on battery case and bolt. 9 buzzer will be sound 5 times and turn into sleeping mode, 1 9-5,see the picture to fit on the holster. E-VC99/V1.0 minute later, the buzzer sound a long voice 1 time, the 10.fuse change: When replacing fuse, please meter will be power off. Press any key to restart the power. change another same type and specification fuse. 2.Press “DC/AC” key and then turn on, the auto power off Note: function will be cancelled. 6. Trouble shooting If the meter does not work properly, check the meter as 5. Meter maintenance 1. Don’t input the voltage value higher than DC 1000V or AC following: Fault Solution 750V , Turn on the power No reading on LCD 2. Don’t measuring the voltage at current, resistance, diode , Replace battery signal appears , Replace battery and continuity rage No current or , Replace fuse 3. Don’t use the meter when the battery isn’t install or the temperature input back case isn’t firm. Big error Value , Replace battery , The voltage was 4. When replacing fuse, please take away the test leads from ACV big error measured frequency value the measuring point and power off at first. higher than 400Hz 5. Keep the meter away from water, dust and shock. , The specifications are subject to change without 6. Do not store and operate the meter under the condition of notice. high temperature, high humidity, combustible, explosive and , The content of this manual is regarded as correct , strong magnetic place. error or omits Pls. contact with factory. 7. Wipe the case with a damp cloth and detergent; do not use , We hereby will not be responsible for the accident abrasives and alcohol. and damage caused by improper operation .The 8. If do not operate for a long time, should take out the battery function stated for this User Manual cannot be the to avoid leakage. reason of special usage. 9. When”” symbol displays, should replace the battery following the steps: 9-1. see picture 2, move holster at first.