SMD METER
Contents
1. 999nF 99 9 IpF 2 5 rdg Sdgt 9nF 999 9nF 9 999uF 99 9 3 rdg 5dgt 9uF 999 9uF 9 999mF 99 4 rdg 10dgt 99mF Diode Test Open Voltage 3 0V Testing Current 1 5mA Continuity When the resistance is less than Check approx 50 Q The Buzzer is sounded Zenetr LED Open Voltage MIN 20V Testing Current Appr 1mA BATTERY Loading Current POWER Approx 10mA E UdAFdBU f 5 5 Zener or LED Check 1 Set the FUNCTION Switch to 2 Connect INPUT Test Pin to the anode and Connect COM Test Pin to the cathode of the ZENER LED under testing 3 The measured value of Zener Voltage show on the LCD Or show LED working Voltage on the LCD 5 7 Battery Power Measure 1 Set the FUNCTION Switch to s 2 Connect INPUT Test Pin to the anode and Connect COM Test Pin to the cathode of the Battery under testing 3 The measured value of Battery Voltage at DC10mA load show on the LCD 6 Maintenance 6 1 Replacing The Battery When meter display the battery must be replace to maintain nomal operaion 15 5 Testing Operation Caution when measuring SMD device on the PCB you must be Disconnect power and discharge all high voltage capacitors 5 1 Resistance Measurement 1 Set the FUNCTION Switch to R D C 2 Connect the Test Pins to across the resistance under measurement 3 You can get reading from LCD 4 When test low value of the resist2. SMD METER USER S MANUAL MODEL 990C 3 Explanation of Control and Indicators 3 1 Product Illustration lt eat LCD REL Push Button FUNC Push Button Function Select FUNCTION Switch Pin Holder Test Pin Gold plated INPUT Terminal Test Pin Gold plated COM Terminal Battery cover OAOEGHOLOOO ISS Table of Contents 1 Introduction 2 Safety note 3 Explanation of Controls and Indicators 3 1 Product Illustration 3 2 Push Buttons 3 3 LCD display 4 Specification 4 1 General Feature 4 2 Electrical Specification 5 Testing Operation 5 1 Resistance Measurement 5 2 Capacitance Measurement 5 3 Diode Check 5 4 Continuity Check 5 5 Zener LED Measurement 5 6 Battery Power Measurement 6 Maintenance 6 1 Replacing The Battery 6 2 Cleaning a9 2 3 2 Push Buttons 1 FUNC it is the function select key that acts trigger Use the Push Button as switch of Resistance Capacitance Diode Continuity when the FUNCTION Switch turn on R D C Range The Meter is have not Power Key When install the 1 5V AAA X2 Battery The Meter immediately Power ON 2 REL Key Press REL Button to Enter or exit the relative value measu ring mode Push the key the present display value will be stored in memory then the new display value is the difference between input value and stored data v6 1 Introduction The Meter is a handheld and battery operated very convenient small Tool that is sp
3. ance You can short two Test Pins And Press REL Button to clear zero then testing to obtain volue of the resisitance 2 1 Open the battery cover on the bottom case by pushing the battery cover 2 Remove old battery and put new two into battery holder Note Battery type 1 5V AAA X2 If you do not use the meter a long time pleseRemove the batteries from the meter 6 2 Cleaning The meter can be cleaned with soft clean cloth to remove any oil grease or grim Do not use liquid solvent or detergent Above picture and content just for your reference Please be subject to the actual products if anything different or updated Please pardon for not informing in advance 16
4. ecially used to measuring SMD Surface Mounting Device there are resistor Capacitor Diode Zener and LED Moreover the Meter have the continuity checking function And batery power Measurement The Meter is designed to meet IEC1010 1 standard and Stipulation of 2 Pollution Grade The Meter conform to the European Union s following Requirement CE regulation 89 336 EMC Electromagnetic Compatibility The entire outer surface of the Meter case has been with thermo plastic elastomer and the two testing pins has been gold plated so that it is reduce pin contact resistance and prevent to get rusty This operating instruction covers information on safety and caution so please read relevant information carefully and observe all the warming and note strictly 3e Note after auto power OFF is active pushing the REL key can turn on the Meter again 3 3 LCD Display 2 Safety Note The following safety notes should be observed prior to using this Meter and any associated accessory Although the Meter do not used to measuring to exceed Safety Voltage but there are situations where hazardous conditi on may be present e Inspect the Meter case before using Do Not use damaged device e Inspect the Pin Holder and Pin gold plated state e Do not attempt use the Meter as tweezers to prevent the pin tip from damage e Do not used in the environment with explosive gas vapor or dust Caution Never use
5. perature amp Humidity 0 40 C 32 104 F amp lt 80 RH e Storage temperature amp Humidity 10 50 e perating temperature amp Humidity 0 40 C 32 104 F amp lt 80 RH e Safety Class IEC1010 1 CAT II e Auto Power OFF If the Meter is idle for more than 15 minutes the Meter automatically tums the power off e EMC According to CE regulation 89 336 e Dimension L XWX H amp Weight 206 X 36 X 25mm Approx 50 g e Environmental condition 1 Indoor use 2 Altitude up to 2000meter e Accessory 1 Spare Test Pin 2PCS 2 Special Test Leads electric rating 500V 10A 10 5 3 Diode Check 1 Set the FUNCTION Switch to R D C And press FUNC button until symbol of P is displayed on LCD 2 Connect INPUT Test Pin to the anode and Connect COM Test Pin to the cathode of the diode under testing 3 You can get reading from LCD A good silicon junction drop between 0 5 V 0 8V 5 4 Continuity Check 1 Set the FUNCTION Switch at R D C And press FUNC button until symbol of is displayed on LCD 2 Connect test pins across two points of the circuit under testing When the resistance reading is less than 10 60 Q the buzzer generates 2KHz beep to indicate continuity 14 4 2 Electrical Specification Function Range Resolu Accuracy tion Resistance 6002 6KQ2 0 12 1 5 rdg 5dgt 60K 600K 6MQ a 60M 2 2 5rd 5dgt Capacitance 9
6. the Meter on alive circuits 4 NO Indicato Meaning 1 AUTO Auto Ranging 2 DC Direct current 3 REL Relative Testing Diode gt t Checking Mode 5 ot Continuity i Checking Mode Capacitance aae Units nF uF Resistance Q ie Units 2 K2 M 8 Vv Voltage Units 9 an Low Battery Indicator Re 4 Specification 4 1 General Feature e 6000 count LCD display e Auto ranges e Over rang indication display OL e Zener diode Test eLED Test eBattery Power Test e Specialized SMD TEST or TEST DIP Component with leade Re eoo OS S SE e Low Batteery Indication e Power Supply 1 5V AAA X2 Battery 9 5 2 Capacitance Measurement 1 Set the FUNCTION Switch at R D C And press FUNC button until symbol of A is displayed on LCD 2 Connect the Test Pins to across the Capacitance under measurement 3 You can get reading from LCD 4 When test low value of the capacitance You can press REL Button to clear zero then testing to obtain precist volue of the Capacitance Caution To avoid damage to Capacitors should be discharged before measurement capacitance When testing small capacitance lt 1uF to assur the measurement accuracy first press REL then go on measureing When testing large capacitance it will take longer time before the final indication it will take about 4 7 seconds 13 e Operating tem
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