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User Manual for FNDS models including: DSO-TC2 Oscilloscope Transistor Tester, DSO-TC2, Oscilloscope Transistor Tester, DSO-TC2 Transistor Tester
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DocumentDocumentOscilloscope Transistor Tester DSO-TC2 CATALOG 1Safety Instructions 01 2Product Introduction 01 3Technical Parameter 3.1 FNIRSI DSO-TC2 equipment parameters 02 3.2 Specifications of oscilloscope mode 02 3.3 Technical parameters of transistor detector 03 4Button & Interface 4.1 Button function 04 4.3 Signal interface 06 4.2 Transistor test socket 05 4.4 Charging interface 07 5Oscilloscope Mode Features 5.1 TFT display 07 5.3 Oscilloscope probe 08 5.2 Real-time measurement parameters 08 6Transistor Test Mode Function 6.1 Operation and TFT display 09 6.2 Zone 1-2-3 test seat 09 6.3 Zone K-A-A test seat 10 6.4 Infrared remote control decoding 10 6.5 System settings 11 7Extended Testing Capabilities 11 8Firmware Upgrade 12 9Common Problem 13 10Note 15 11Production Information 15 SAFETY INSTRUCTIONS Please read the manual carefully before use Do not use the instrument in a flammable and explosive environment Used batteries and discarded instruments replaced by instruments cannot be disposed of with household waste.Please handle in accordance with relevant national or local laws and regulations When there is any quality problem with the instrument or when there is a question about using the instrument,You can contact "Finiris-FNIRSI" online customer service or the manufacturer,We will solve it for you as soon as possible PRODUCT INTRODUCTION This product ingeniously integrates digital oscilloscope, electronic component tester, PWM signal generator and other functions into one.Equipped with large-size color dot matrix TFT display.Built-in rechargeable lithium battery.Bring more practical functions to users with a small size,Also has good portability Mode Display This instrument is especially suitable for fast pairing of transistors, identification of mixed surface mount and wordless components, and preliminary screening of small batch components "Mos Test" mode can test various types of transistors, and can identify device type, pin polarity, hFE, turn-on voltage, junction capacitance; can test capacitance, resistance, inductance components, etc This instrument is especially suitable for fast pairing of transistors, identification of mixed surface mount and wordless components, and preliminary screening of small batch components "Oscilloscope" mode to test the signal waveform of the circuit Support online operation with computer, you can refresh the official firmware by yourself and complete the upgrade PAGE TECHNICAL PARAMETER 3.1FNIRSI DSO-TC2 Equipment Parameters Display Powered by Charging Size Bracket 2.4 inch TFT color screen, LED backlight 1500mAh rechargeable lithium battery USB Type-C+5V L79*W31*H103mm Hidden Support frame 3.2Specifications Of Oscilloscope Mode The oscilloscope has a real-time sampling rate of 2.5MS/s and a 200kHz bandwidth With complete trigger function (Single, Normal, Automatic), it can be used freely for both periodic analog signals and aperiodic digital signals Up to ±400V voltage signal can be measured Equipped with efficient one-key AUTO, the measured waveform can be displayed without cumbersome adjustment Self-contained 80kHz /5.0V PWM wave test signal source with adjustable duty cycle Real-time sample rate 2.5MS/s Analog bandwidth 0 200kHz Input resistance 1M Coupling AC/DC Test voltage range 1:1 probe: 80Vpp (±40V) 10:1 probe: 800Vpp (±400V) Vertical sensitivity 10mV/Div 10V/Div (in 1-2-5 increments) Vertical displacement Adjustable, with indication Horizontal time base range 10s/Div 500s/Div (in 1-2-5 increments) Trigger mode Automatic, Regular and Single PAGE Trigger type Trigger level Waveform freeze Automatic measurement PWM output Rising edge, falling edge Adjustable, with indication Yes (HOLD function) Maximum, minimum, average, rms, peak-to-peak, frequency, period, duty cycle FRQ: 080KHz, Duty cycle: 0100%, Amplitude: 5.0V 3.3Technical Parameters Of Transistor Detector This instrument can automatically identify and measure various transistors.Including NPN and PNP transistors, N-channel and P-channel field effect transistors, junction field effect transistors, diodes, double diodes, thyristors, etc.,and passive components such as resistors, inductors, capacitors, etc Automatic detection of pin definitions It can automatically parse the infrared code of the NEC protocol Other functional modes: including circuit continuity test, 0~16V input voltage measurement, PWM output, 0~24V Zener diode measurement, DS18B20 temperature sensor measurement, DHT11 temperature and humidity sensor measurement, etc Category Scope Technical Parameter Triode Diode Zener diode FET * Forward voltage drop <5V 0.014.5V 0.0124V JFET IGBT MOSFET Magnification hfe, base-emitter voltage Ube, Ic/Ie, collector-emitter reverse cut-off current Iceo, Ices, protection diode forward voltage drop Uf Forward Voltage Drop, Junction Capacitance,Reverse Leakage Current (1-2-3 test area) forward voltage drop, reverse breakdown voltage (K-A-A test area) reverse breakdown voltage Gate capacitance Cg, drain current Id at Vgs, protection diode forward voltage drop Uf Drain current Id at Vgs, protection diode forward voltage drop Uf Turn-on voltage Vt, gate capacitance Cg, drain-source resistance Rds, protection diode forward voltage drop Uf PAGE SCRS Triac Turn-on voltage <5V, gate trigger current <6mA Gate voltage Capacitance 25pF100mF Capacitance value, loss factor Vloss Resistance 0.0150M resistance Inductance 10uH1000uH Inductance value, DC resistance Battery 0.14.5V Voltage value, positive and negative polarity Input voltage 016V Voltage value DS18B20 DHT1 * Temperature * Humidity PWM output Infrared remote control decoding 1.5kHz9.99MHz NEC protocol infrared code * Display user code and data code, and display the corresponding infrared waveform Note : Ices, Iceo, Uf are displayed only when valid Note : Junction capacitance and reverse leakage current are displayed only when valid Note : The turn-on or turn-off voltage of the FET must be less than 5V Note : Displayed only when there is a protection diode Note : Vloss is only displayed when valid Note : Two-pin component and inductance measurement when the resistance is less than 2.1k BUTTON & INTERFACE 4.1Button Function TFT display Ocking IC seat Locking lever Power Enter menu/ Automatic adjustment Type-C Charging Interface Indicator light Infrared test receiving window Confirm selection Move up Integrated foldable stand Start/Pause test Move down PAGE Button Operate Function Description Digital Oscilloscope Transistor Tester Short Press Test mode selection Long Press OFF Short Press Long Press Auto-adjustment rate below 20Hz cannot be calibrated correctly Enter the calibration confirmation interface - press the OK button to enter the calibration mode(long press AUTO again to cancel the calibration) Enter or exit the system Short Press Long Press Select the operation object Fast-moving Confirm current operation Short Press Move up/change mode Long Press Short Press Move up continuously Move down/Change mode Move/change mode Long Press Move down continuously Short Press Pause/Start Waveform Long Press In the vertical voltage gear position, long press to switch X1/X10. In other cases, long press to show/ close detailed parameters Start a new measurement Note: In DSO oscilloscope mode, the parameters will be automatically saved if there is no key operation for 0.5 seconds 4.2Transistor Test Socket 1-2-3 area Locking lever K-A-A area Ocking IC Seat The locking IC seat is divided into 1-2-3 area and K-A-A area (as shown above) The locking IC seat has a total of 14 jacks.Each jack is marked 1, 2, 3, K, A.If the labels are the same, they are connected internally and have the same function PAGE There is a locking lever on the left end of the socket.The socket is relaxed when standing up.Insert or remove the component under test at this time.When turned down, the socket is locked and tested After inserting the element under test and locking.PressTESTbutton to test.The tester automatically identifies the pin name of the component and the test point where it is located, and displays it on the screen When testing 2-pin components, it can be inserted into any two holes with different labels in the 1-2-3 area.No need to distinguish When testing 3-pin components, it can be inserted into any three holes with different numbers in the 1-2-3 area.No need to distinguish The K-A-A jack is a special area for withstand voltage testing.There is about 30V DC high voltage inside.K is positive and A is negative. It is used for withstand voltage test and cannot be mixed.The positive electrode of the component under test, such as the Zener diode, is inserted into A, and the negative electrode is inserted into K NOTE 1. Discharge the capacitor before measuring the capacitor, otherwise it may burn the instrument 2. Live test is not recommended 4.3Signal Interface Signal Interface There are 3 MCX coaxial sockets evenly distributed on the top surface, and their outer rings are connected to the same ground.The uses are: IN(0~16V)Test voltage input port, the core wire is positive, and the maximum measured voltage cannot exceed DC16V PWMPWM square wave signal output port, output square wave signal with adjustable pulse width DSOoscilloscope test signal input port, the maximum measurement voltage shall not exceed ±40V (probe X10 shall not exceed ±400V) For wired testing, you should use test wire with MCX plugs to connect to the instrument PAGE 4.4Charging Interface The instrument is powered by a built-in lithium battery.There is a USB Type-C charging port on the bottom.Connect to 5V charger for charging The indicator light is solid red when charging, and the indicator light is solid green when fully charged NOTE! In order to avoid static electricity damage to the instrument or the component under test, do not use it while charging OSCILLOSCOPE MODE FEATURES 5.1TFT Display 1 2 34 5 6 7 8 9 10 11 1 PWM square wave signal output frequency, the output range is adjustable from 1-80KHz 2 PWM square wave signal output duty cycle, the output range is 0-100% adjustable 3 Trigger edge indicator 4 Trigger mode indicator icon.Auto means automatic triggering.Single means a single trigger.Normal means normal trigger 5 Baseline indicator icon.This icon indicates the position that the current position is OV voltage 6 Trigger voltage indicator icon PAGE 7 Vertical sensitivity.Indicates the voltage represented by one grid in the vertical direction 8 1X/10X mode indicator icon.This must be consistent with the 1X/10X switch setting on the probe handle.If the probe is in 1X gear, then the oscilloscope should also be set to 1X gear.1X measures ±40V voltage, 10X measures ±400V voltage 9 Horizontal time base.Indicates the length of time represented by one grid in the horizontal direction 10 Input coupling mode indicator icon.AC stands for AC coupling.DC stands for direct current coupling 11 Run pause indicator.RUN means run.STOP means pause 5.2Real-time Measurement Parameters Long press theTESTbutton to display/hide the 8 real-time measurement parameters displayed in the upper part of the screen: Vmax = Maximum voltage Vmin = Minimum voltage Vave = Average Voltage Vrms = RMS voltage Vpp = Peak-to-Peak Voltage Fre = Frequency Dut = Positive duty cycle Cyc = Cycle Note: When the waveform amplitude exceeds the screen,these measurements will produce large errors 5.3Oscilloscope Probe Insert the oscilloscope probe with the MCX plug into the topDSOjack.First adjust the attenuation file on the probe.Clip the probe's ground to the "reference ground" of the circuit under test The probe tip or hook is securely connected to the node under test in the circuit.Observe the voltage waveform of the measured point on the screen NOTE 1.The attenuation ratio of the probe should match the voltage of the signal under test.Please do not measure voltage signals that exceed the maximum range 2.When measuring the signal exceeding the safe voltage, the human body should not touch the exposed metal part of the instrument to avoid electric shock injury PAGE TRANSISTOR TESTER MODE FEATURES 6.1Operation And TFT Display After entering this mode, the test will start automatically.Displays the internal Lithium battery voltage in the "Testing" state After the test results come out, you can click theTESTbutton to perform the next test at any time Operating status Step 1: After inserting the component to be tested, press the locking lever to lock the socket to ensure good contact Internal supply voltage Step 2: Step 2: Click theTEST button to start the test 6.2Zone 1-2-3 Test Seat Choose the right socketAfter inserting and locking the pins of the components under test such as transistors, resistors, capacitors, and inductors.ClickTESTto start the test,After waiting for 1~3 seconds.Test results will be displayed on the screen 1Protection diodes inside bipolar transistors and MOSFETs can be detected 2Measure the current amplification factor (hFE) of bipolar transistors and the turn-on voltage (Uf) of the emitter junction.Darlington transistors can be identified by high threshold voltage and high current amplification factor 3The parameters Iceo, Ices and Uf of the measuring triode will only be displayed when the measurement is valid 4The diode's equivalent capacitance C and reverse leakage current Ir are displayed only when the measurement is valid 5The turn-on or turn-off voltage of the FET should be less than 5V.Other wise, the measured results are only its equivalent parameters (diodes, capacitors, etc.) PAGE 6The turn-on voltage of the thyristor should be less than 5V.In addition, the trigger current for maintaining conduction must be less than 6mA,other wise it cannot be measured correctly 7The vLoss displayed when measuring the capacitance means loss and attenuation. The larger the value, the worse the capacitance performance, and the closer it is to scrap. For capacitors below 20pF, the common method is to test a 20pF capacitor in parallel 8When the measurement range of the inductance is 10H-1000uH, the inductance measurement should be performed when the resistance is less than 2.1k.Air core coils and power inductors cannot directly measure inductance.It is recommended to connect a suitable color ring inductance test in series 9The output current of the test socket is 6MA.SCRs and Darlingtons that require larger current drive cannot be tested 10The LED is detected as a diode and the forward voltage drop is higher than normal.Double LEDs are detected as double diodes.At the same time, the LED will flash 6.3 Zone K-A-A Test Seat Insert the positive pole of the component under test, such as the Zener diode, into A, and the negative pole into K.After locking the socket, clickTESTto start the test.The maximum range of the Zener tube that this instrument can measure is 24V.For details, please refer to the description of 7EXTENDED TESTING CAPABILITIES 6.4Infrared Remote Control Decoding While the tester is waiting to test.Aim the IR remote control at the "IR" mark on the panel of the tester.Press the remote control button.The instrument automatically starts to receive infrared signals and perform decoding processing.After the decoding is successful.the user code and data code will be displayed.And display the corresponding infrared waveform If decoding fails or cannot be decoded, the user code and data code are not displayed.At this time, if you are in the tester interface, you cannot enter the infrared decoding interface.If it is in the infrared decoding interface, the last successful decoding information will still be displayed Note: This instrument only supports infrared code decoding of NEC protocol PAGE 6.5System Settings PressMENUbutton in TC2 component tester mode.It will enter the setting menu page, press the directionUpandDownbuttons to select the tem.Press OKto adjust parameters or switch states The items that can be set are as follows: 1Boot LOGO Off/On 2System language English/Chinese 3No operation for 1 minute: Auto Off / None 4Adjust system volume. 5Adjust screen backlight brightness Set Display EXTENDED TESTING CAPABILITIES Function Display After pressing theMENUbutton to enter the setting menu.PressTEST button again to enter the function page.Extended test items and calibration function items are provided here 1Continuity Test: Use the test sockets 1 and 2 of the test socket to carry out continuous resistance test.If the circuit is low resistance, it is judged as "on" and a buzzer sounds 2Voltage Test: The MCX test line needs to be inserted into the top jack IN (0~16V)to test the voltage between the test lines PAGE 3PWM Output: adjustable frequency and duty cycle, output from the top MCX jackPWM 4Zener Diode: Use the test seat K-A-A area for testing.See description in6.3 5DS18B20: Follow the on-screen instructions to insert the temperature sensor into the test seat and measure 6DHT11: Follow the on-screen prompts to insert the temperature and humidity sensor into the test seat to measure 7Autocal: Insert the three-pin short-circuit wire into the 1-2-3 jack of the test socket.PressOKbutton to select Start.PressOKbutton again to start calibration.During the calibration process, disconnect the short wire according to the prompt.When the progress bar reaches 100%,the calibration of the current mode of the instrument is completed. No further action required NOTE External circuits must be powered down,Otherwise it will damage the device FIRMWARE UPGRADE The instrument uses a USB analog U disk for firmware upgrade.The simulated U disk cannot be used to save or transfer other data.For firmware upgrade and charging only Firmware comes in a variety of file formats.Different operating steps need to be selected according to the situation The computer system required for the upgrade is Windows 10 or above 1CH UPGRADE (Digital Oscilloscope) a. Use the Type-C data cable with D+ and D- to connect the instrument and the computer in the off state b. Wait for about 2s after booting.Observe whether there is a U disk named "CH BOOT" on the computer.If it does not exist, repeat steps A and B c. Copy the firmware file starting with CH into the U disk.After the upgrade is complete, you will see an upgrade prompt at the bottom of the screen: Update complated NOTE1.The firmware starting with the prefix "CHD" is the firmware of the DSO oscilloscope part.The firmware starting with the prefix "CHT" is the firmware of the TC2 transistor part 2.Only one firmware can be upgraded each time. If you need to upgrade multiple firmwares, you need to repeat steps A, B, and C. PAGE 2MM UPGRADE (Transistor Detector) a. Use the Type-C data cable with D+ and D- to connect the meter and the computer in the off state b. Press and hold the down arrow key, turn it on, wait for about 2s, and observe whether there is a U disk named "MM BOOT" on the computer (at the same time, the lower left corner of the screen displays: MM Boot), if not, repeat steps A and B c. Copy the firmware file starting with MM into the U disk to complete the upgrade NOTE: After the upgrade is complete, the system will automatically restart.If you do not need to upgrade, you can short press the power button to reset the system or long press the power button to shut down COMMON PROBLEM 1: How to judge whether the battery is fully charged? AWhen the battery is fully charged, the charging indicator will change from red to green 2: Why does the tested waveform keep shaking left and right and cannot be fixed? AThe trigger voltage needs to be adjusted, that is, the yellow arrow on the right.In trigger mode, press the up and down keys to adjust the trigger voltage. After adjusting the yellow pointer between the upper and lower part of the waveform, the waveform can be triggered and fixed 3: Why is there no waveform when measuring a battery or other DC voltage? A: The battery voltage signal is a stable DC signal, and there is no curve waveform.When adjusting the vertical sensitivity in DC coupling mode, there will be an upward or downward offset line waveform.If it is AC coupled, there is no waveform no matter how you adjust it PAGE 4: Why is the measured mains 220V waveform not a very standard sine wave, with distortion? A: The mains power grid is generally polluted and contains more high-order harmonic components.The superposition of these harmonics on the sine wave will show a distorted sine, which is a normal phenomenon. Generally,the mains waveform is distorted and has nothing to do with the oscilloscope itself 5: Why is there no signal input,The baseline (OV) on the screen and the arrow on the left (OV indicated) are not the same, there is a relatively large offset? A: Please unplug the probe and USB cable.PressAUTObutton to enter the calibration confirmation interface,Then click theOKbutton to enter the automatic calibration 6: Why do the results obtained by measuring MOSFET and IGBT are diodes, capacitors and other parameters? A: Because the turn-on or turn-off voltage of the MOSFET or IGBT is greater than 5V (the maximum supply voltage of the chip)As a result, the MOSFET or IGBT cannot be turned on or off normally.Therefore, only its equivalent parameters can be measured PAGE NOTE 1. After receiving the device, please use it after it is fully charged 2. When measuring high voltage, it is forbidden to touch any metal part of the oscilloscope to avoid the risk of electric shock 3. It is forbidden to use it while charging the device 4. Do not place the machine in a place that is unstable or may be subject to strong vibrations 5. Do not place the machine in places with high humidity, dust, direct sunlight, outdoors or near heat sources 6. USB firmware upgrade only supports WIN10 and above.Drag in files other than release firmware is prohibited.May cause irreversible consequences 7. The instrument is powered by a built-in 3.7V rechargeable lithium battery, which can be used for a long time.Please use the power adapter to extend battery life 8.When not in use for a long time, the battery should be discharged to 3.7V before storage 9.When using the oscilloscope mode, pay attention to the selection of the gear. The gear of the oscilloscope should be consistent with the gear of the probe. 10.When calibrating,The BNC probe needs to be unplugged, or the positive and negative poles of the probe are short-circuited PRODUCTION INFORMATION Product name: Oscilloscope Transistor Tester Brand / Model: FNIRSI / DSO-TC2 Manufacturer: Shenzhen FNIRSI Technology Co., Ltd. Website: www.fnirsi.cn Address: Building C, Weihuada Industrial Park, Dalang Street, Longhua District, Shenzhen, Guangdong, China PAGE www.fnirsi.cn