VC203 User Manual
Contents
1. meter is over the max Value of range thus should set the knob to The specifications are subject to change without notice The content of this manual is regarded as correct error or omits Pls contact with factory 200mA a higher range s luA 2 0 5 Max input current 10A within 10 seconds Overload protection 0 2A 250V self resume fuse 10A 250V fast melt fuse RESISTANCE Q 3 Max input voltage is 600Vrms over it might damage the circuit We hereby will not be responsible for the accident and damage caused by improper 4 Please avoid touching high voltage circuit when measuring it operation DC Current Measurement 1 Apply the black test lead to COM jack and the red one to V Q mA jack Max 200mA or the red one to 10A jack Max 10A The function stated for this User Manual cannot be the reason of special usage 2 Set the knob to a proper DCA range and connect the leads in series to the electric circuit 0 8 under test LCD displays polarity and current value under test connected by the red test lead 1 0 15 Le Note MB 0203 01 1 Firstly users should set the knob to a higher range in the case of no idea about the current 200M Q 5 0 1 0 15 Overload protection DC 250V or AC peak value Note At range 200 Q short circuit the test leads to measure the wire resistance then subtracts it range under test then select the proper range based on displayin2. DIGITAL MULTIMETER OPERATION MANUAL GENERAL The instrument is a pocket digital multimeter which be used to measurement DCV ACV DCA resistance diode and continuity test The instrument is an excellent ideal tool for labs household and wireless enthusiast SAFETY NOTES 1 Do not input a limited value when measuring ranges 2 Voltage less than 36V DC and 25V AC is a safety voltage When measuring voltage higher than DC 36V AC 25V check the connection and insulation of test leads to avoid electric shock 3 Be sure to keep the test leads off the testing point when converting function and range 4 Don t input the voltage value when measuring resistance SPECIFICATION 1 GENERAL Displaying 22mm data height LCD display Max indication 1999 3 1 2 auto polarity indication Sampling rate approx 3 times sec Over range indication MSD displays 1 Low battery indication I symbol displays Operation environment 0 40 C relative humidity lt 80 Store environment 10 50 C relative humidity lt 80 Power one 9V battery NEDA1604 6F22 or equivalent Measurement 140x65x40 mm length X width lt height Weight approx 180g including a 9V battery Accessories operation manual gift box test lead and a 9v battery 2 TECHNICAL DATA Accuracy a x reading d Surrounding 23 5 C relative humidity lt 75 Guaranteed for one year since production date D CV 200mV 0 5 4 Input resistan
3. ce 1MQ for all range ACV RANGE 200V 600V ACCURACY 1 2 10 Input resistance 1MQ o Buzzer makes a long sound while resistance is less than 70 20 Q RANGE ACCURACY RESOLUTION RESOLUTION from the real measurement Diode and continuity testing Displaying Forward DCA is approx ImA the a be ee oe backward voltage is approx 3V Open voltage is approx 3V Overload protection DC 250V or AC peak value Battery test At 1 5V range overload inside is 15Q working current is 100mA At 9V range overload inside is 900Q working current is 10mA PANEL DESCRIPTION 1 LCD displaying display the value and unit 2 knob switch change the test function and range 3 10A current test jack 4 Voltage resistance current jack less than 200mA current test jack 5 GND DC Voltage Measurement 1 Apply the black test lead to COM terminal and the red one to V Q terminal 2 Set the knob to a proper DCV range and connect the leads crossly to the electric circuit under test LCD displays polarity and voltage under test connected by the red test lead Note 1 Firstly users should set the knob to the highest range if users had no idea about the range of voltage under test then select the proper range based on displaying value 2 When LCD displays icon 1 meter is over range thus should set the knob to a higher range 3 Max input voltage is 600V over it might dama
4. g value 2 When LCD displays icon 1 meter is over the max value of range thus should set the knob to
5. ge the circuit 4 Please avoid touching high voltage circuit when measuring it AC Voltage Measurement 1 Apply the black test lead to COM terminal and the red one to V Q terminal 2 Set the knob to a proper ACV range and connect the leads crossly to the electric circuit a higher range 3 Max input current is 200mA or 10A depends on the insert position of the red test lead over large current will melt the fuse When measuring if the meter is no reading display please check the relevant fuse Resistance measurement 1 Apply the black test lead to COM jack and the red one to V Q jack 2 Set the knob to a proper resistance range and connect the leads crossly to the resistance under test Note 1 The LCD displays 1 adjusted to a higher range When resistance under test is over 1MQ reading shall be stable in a while the resistance is over the selected range The knob should be few seconds which is a normal status when measuring high resistance 2 When input terminal is in open circuit overload displays 3 When measuring in line resistor be sure that the power is off and all capacitors are released completely 4 Do not input voltage at the range of resistance it is forbidden absolutely Diode and Continuity test 1 Apply the black test lead to COM terminal and the red one to V Q terminal the polarity of red lead is 2 Set the knob to range connect test leads
6. to the diode under tested the red test lead connect to diode positive polarity the reading is the approx value of diode forward volt drop 3 Apply test leads to two points of tested circuit if the inner buzzer sounds the resistance is less than 70 20 Q Battery test Set the range to 1 5V or 9V it can test if the 1 5V or 9V battery has enough working current thus can judge the quality of battery Data Hold Press Hold button the current data will be held on the LCD MAINTENANCE Do not try to modify the circuit NOTE 1 Do not input voltage over than DC 600V or AC 600Vrms 2 Do not measure a voltage on range Q 3 Be sure to fit on the battery correctly and close the cabin before taking measurement 4 Remove the test leads off testing points and turns off the meter before replacing battery or fuse BATTERY REPLACEMENT NOTE Pay attention to the battery status Please replace the battery as following steps when the icon ET displays 1 Open the back cover 2 Replace a new battery with 9V An alkaline battery is recommended because of its good Frequency response 40 400Hz Note capacity DCA 1 Firstly users should set the knob to the highest range in the case of no idea about the range of sae eae A RANGE ACCURACY RESOLUTION voltage under test and then select the proper range based on displaying value Please use the same size fuse as replacement 1 5 3 2 When LCD displays icon 1
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