{"product_id":"fnirsi-handheld-digital-oscilloscope","title":"FNIRSI Handheld Digital Oscilloscope","description":"\u003cp\u003eFNIRSI Handheld Digital Oscilloscope: explore available configurations at OurLum, a store specializing in Smart Electronic products, smart devices, and practical accessories.\u003c\/p\u003e\u003cdiv\u003e\n\u003ch2\u003eFNIRSI Handheld Digital Oscilloscope\n\n\n\u003c\/h2\u003e\n\u003cp\u003eDiagnose unstable circuits without hauling heavy gear. The DSO-TC4 handheld oscilloscope locks onto signals in seconds using 10MHz bandwidth and 48MSa\/s sampling. Built-in generators and transistor tests fit in your palm for accurate daily field use.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\u003cb\u003e\u003ca href=\"https:\/\/www.ourlum.com\/search?q=\"\u003eHandheld Digital Oscilloscope\u003c\/a\u003e\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003e\u003ca href=\"https:\/\/www.ourlum.com\/search?q=\"\u003ePortable Circuit Tester\u003c\/a\u003e\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003e\u003ca href=\"https:\/\/www.ourlum.com\/search?q=\"\u003e10MHz Analog Bandwidth Scope\u003c\/a\u003e\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003e\u003ca href=\"https:\/\/www.ourlum.com\/search?q=\"\u003eTransistor Component Analyzer\u003c\/a\u003e\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003e\u003ca href=\"https:\/\/www.ourlum.com\/search?q=\"\u003eMultifunction R\u0026amp;D Test Tool\u003c\/a\u003e\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFNIRSI Handheld Digital Oscilloscope\u003c\/h2\u003e\n\u003cp\u003eFNIRSI DSO-TC4 Handheld Digital Oscilloscope with DDS Signal Generator and Component Tester\u003c\/p\u003e \u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cp\u003eA bright 2.8-inch TFT color screen keeps waveforms clear outdoors.\u003c\/p\u003e\n\u003cp\u003eBuilt-in 1500mAh battery provides reliable daytime power on job sites.\u003c\/p\u003e\n\u003cp\u003eType-C charging matches your existing cables for quick top-ups.\u003c\/p\u003e\n\u003cp\u003eTri-mode switching toggles instantly between scope, generator, and tester.\u003c\/p\u003e \u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe DSO-TC4 combines three essential instruments into one lightweight frame. You get real-time voltage visualization alongside built-in signal generation and transistor analysis. The device captures AC and DC signals with automatic readouts for frequency, duty cycle, and RMS values. High-concerned chemicals are absent, and the unit meets CE, RoHS, and WEEE standards for safe workshop handling.\u003c\/p\u003e \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThis handheld powerhouse replaces bulky meter boxes for mobile technicians. Field engineers use it for rapid prototype validation. Makers rely on it for weekend electronics projects. The slim chassis slides effortlessly into any tool bag.\u003c\/p\u003e \u003ch2\u003eKey Benefits\u003c\/h2\u003e\n\u003cp\u003eYou stop carrying separate test leads and bulky meters to remote sites.\u003c\/p\u003e\n\u003cp\u003eCircuit diagnosis speeds up because waveforms freeze automatically during unstable readings.\u003c\/p\u003e\n\u003cp\u003eComponent selection becomes faster thanks to instant pinout identification on unmarked ICs.\u003c\/p\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cp\u003eVertical sensitivity ranges from 10mV to 10V per division for precise low-voltage tracing.\u003c\/p\u003e\n\u003cp\u003eTime bases scale accurately from 50ns up to 20s for detailed timing analysis.\u003c\/p\u003e\n\u003cp\u003eGenerator outputs 13 distinct waveforms with adjustable frequencies from 0 to 50KHz.\u003c\/p\u003e\n\u003cp\u003eInput impedance sits firmly at 1MΩ to prevent circuit loading during sensitive checks.\u003c\/p\u003e \u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003eBattery capacity measures 3.7 volts at 1500mAh.\u003c\/p\u003e\n\u003cp\u003ePhysical dimensions approximate 90 by 142 millimeters.\u003c\/p\u003e\n\u003cp\u003eTotal weight registers near 186 grams without probes.\u003c\/p\u003e\n\u003cp\u003eSampling rate reaches 48 megasamples per second continuously.\u003c\/p\u003e \u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cp\u003eDSO-TC4 host unit arrives fully assembled for immediate testing.\u003c\/p\u003e\n\u003cp\u003eP6100 oscilloscope probe covers standard high-voltage signal capture.\u003c\/p\u003e\n\u003cp\u003eThree test hooks and one alligator clip probe handle delicate board work.\u003c\/p\u003e\n\u003cp\u003eData cable and wall adapter ensure ready USB integration for firmware updates.\u003c\/p\u003e \u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cp\u003eUser manual outlines language settings across eight global regions.\u003c\/p\u003e\n\u003cp\u003eProtective packaging box keeps accessories organized during travel.\u003c\/p\u003e \u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003cp\u003eConnect your ground lead first to establish a stable reference point.\u003c\/p\u003e\n\u003cp\u003eTouch the signal line to a test pad or component leg.\u003c\/p\u003e\n\u003cp\u003eAdjust the vertical knob until the trace centers on the grid.\u003c\/p\u003e\n\u003cp\u003eSelect AUTO triggers for automatic waveform locking during live adjustments.\u003c\/p\u003e \u003ch2\u003eCustomer Benefits\u003c\/h2\u003e\n\u003cp\u003eYou save valuable service time by skipping manual calibration steps.\u003c\/p\u003e\n\u003cp\u003eClear multi-language menus eliminate confusing translation barriers during urgent fixes.\u003c\/p\u003e\n\u003cp\u003eAdjustable display brightness reduces eye strain under harsh shop lighting.\u003c\/p\u003e \u003ch2\u003eIdeal Uses\u003c\/h2\u003e\n\u003cp\u003eAutomotive technicians scan engine control modules for intermittent faults.\u003c\/p\u003e\n\u003cp\u003eAudio engineers align amplifier stages without dragging heavy rack gear.\u003c\/p\u003e\n\u003cp\u003eMakers verify sensor outputs before soldering permanent connections.\u003c\/p\u003e \u003ch2\u003eWho It’s For\u003c\/h2\u003e\n\u003cp\u003eField service professionals require pocket-sized diagnostic depth.\u003c\/p\u003e\n\u003cp\u003eHobbyists building custom circuits demand versatile signal control.\u003c\/p\u003e\n\u003cp\u003eEducators demonstrate theoretical voltage behavior safely in classrooms.\u003c\/p\u003e \u003ch2\u003e5 Frequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003eQ: Can this model replace my entire bench station?\u003cbr\u003eA: It excels at routine checks and mobility tasks rather than high-frequency lab work.\u003c\/p\u003e\n\u003cp\u003eQ: Does the generator output pure sine waves?\u003cbr\u003eA: It produces square, triangle, sawtooth, pulse, noise, and other standard shapes up to 50KHz.\u003c\/p\u003e\n\u003cp\u003eQ: Is the screen touch-enabled?\u003c\/p\u003e\n\u003cp\u003eQ: How long does the warranty last?\u003c\/p\u003e\n\u003cp\u003eQ: Can it measure AC mains directly?\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.youtube.com\/@BiblicalMysteriesRevealed\"\u003e\u003cb\u003eFNIRSI Handheld Digital Oscilloscope\u003c\/b\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.ourlum.com\/\"\u003e\u003cb\u003eSmart Electronic Devices and Accessories\u003c\/b\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.ourlum.com\/collections\/all-products-in-ourlum\"\u003e\u003cb\u003eExplore Technology Collections\u003c\/b\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.ourlum.com\/collections\/all-products-in-ourlum\"\u003e\u003cb\u003eDiscover Popular Smart Products\u003c\/b\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#product-review-section\"\u003e\u003cb\u003eRead Verified Reviews\u003c\/b\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003cp\u003eGrab this precision tool today and turn scattered workbenches into streamlined repair stations. Your next circuit fix will land right where you need it.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"OurLum","offers":[{"title":"DSO-TC4 with P6100 \/ spain","offer_id":67612080079093,"sku":"14:201530806#DSO-TC4 with P6100;200007763:201336104","price":377.94,"currency_code":"USD","in_stock":true},{"title":"DSO-TC4 with P6100 \/ United States","offer_id":67612080111861,"sku":"14:201530806#DSO-TC4 with P6100;200007763:201336106","price":377.94,"currency_code":"USD","in_stock":true},{"title":"DSO-TC4 with P6100 \/ China Mainland","offer_id":67612080144629,"sku":"14:201530806#DSO-TC4 with P6100;200007763:201336100","price":188.97,"currency_code":"USD","in_stock":true},{"title":"DSO-TC4 with P6100 \/ france","offer_id":67612080177397,"sku":"14:201530806#DSO-TC4 with P6100;200007763:201336342","price":377.94,"currency_code":"USD","in_stock":true},{"title":"DSO-TC4 with P6100 \/ Mexico","offer_id":67612080210165,"sku":"14:201530806#DSO-TC4 with P6100;200007763:350915","price":377.94,"currency_code":"USD","in_stock":true},{"title":"DSO-TC4 with P6100 \/ Brazil","offer_id":67612080242933,"sku":"14:201530806#DSO-TC4 with P6100;200007763:203054829","price":188.97,"currency_code":"USD","in_stock":true},{"title":"DSO-TC4 with P6100 \/ Russian Federation","offer_id":67612080275701,"sku":"14:201530806#DSO-TC4 with P6100;200007763:201336103","price":377.94,"currency_code":"USD","in_stock":true},{"title":"DSO-TC4 with P6100 \/ Poland","offer_id":67612080308469,"sku":"14:201530806#DSO-TC4 with P6100;200007763:203372089","price":377.94,"currency_code":"USD","in_stock":true},{"title":"DSO-TC4 with P6100 \/ United Kingdom","offer_id":67612080341237,"sku":"14:201530806#DSO-TC4 with P6100;200007763:201336105","price":377.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5260\/6453\/files\/S68ec3f4a94c944f68e56adaa8287ccd6J.webp?v=1791082844","url":"https:\/\/www.ourlum.com\/products\/fnirsi-handheld-digital-oscilloscope","provider":"OurLum","version":"1.0","type":"link"}