{"id":33345,"date":"2026-06-10T13:12:27","date_gmt":"2026-06-10T10:12:27","guid":{"rendered":"https:\/\/qariya.net\/?post_type=product&#038;p=33345"},"modified":"2026-06-10T13:31:58","modified_gmt":"2026-06-10T10:31:58","slug":"fnirsi","status":"publish","type":"product","link":"https:\/\/qariya.net\/en\/product\/fnirsi\/","title":{"rendered":"FNIRSI DPOS350P Tablet Oscilloscope 350MHz Dual Channel with Spectrum Analyzer, Frequency Response Tester, 50M Signal Generator"},"content":{"rendered":"<h1>FNIRSI DPOS350P Tablet Oscilloscope \u2013 4-in-1 Multifunction Instrument<\/h1>\n<p>The <strong>FNIRSI DPOS350P<\/strong> is a powerful 4-in-1 multifunction instrument that combines:<\/p>\n<ul>\n<li>A 350MHz Dual-Channel Digital Phosphor Oscilloscope<\/li>\n<li>A 50MHz Full-Function Signal Generator<\/li>\n<li>A 200kHz\u2013350MHz Spectrum Analyzer<\/li>\n<li>A 50MHz Frequency Response Analyzer<\/li>\n<\/ul>\n<p>Featuring a <strong>1GSa\/s real-time sampling rate<\/strong>, <strong>350MHz analog bandwidth<\/strong>, and an ultra-high waveform refresh rate, the DPOS350P accurately captures and displays complex signals and low-probability anomalies. Its high-resolution touchscreen, intelligent triggering system, and comprehensive measurement functions make it an ideal solution for laboratories, production lines, maintenance, and electronic design applications.<\/p>\n<hr \/>\n<h1>Key Features<\/h1>\n<h3>\u25cf Powerful 4-in-1 Integration<\/h3>\n<p>The DPOS350P combines:<\/p>\n<ul>\n<li>350MHz Oscilloscope<\/li>\n<li>50MHz Signal Generator<\/li>\n<li>200kHz\u2013350MHz Spectrum Analyzer<\/li>\n<li>50MHz Frequency Response Analyzer<\/li>\n<\/ul>\n<p>Providing a complete signal testing and analysis solution in a single device.<\/p>\n<h3>\u25cf High-Performance Signal Capture<\/h3>\n<ul>\n<li>1GSa\/s real-time sampling rate<\/li>\n<li>350MHz analog bandwidth (single-channel mode)<\/li>\n<li>Up to 50,000 waveforms per second refresh rate<\/li>\n<\/ul>\n<p>Enabling accurate capture of transient and low-probability signals.<\/p>\n<h3>\u25cf Professional Display &amp; Operation<\/h3>\n<ul>\n<li>7-inch IPS full-view touchscreen<\/li>\n<li>1024 \u00d7 600 resolution<\/li>\n<li>Grayscale and color-temperature display modes<\/li>\n<\/ul>\n<p>Ensuring clear waveform visualization and intuitive operation in various working environments.<\/p>\n<h3>\u25cf Advanced Signal Generation &amp; Analysis<\/h3>\n<ul>\n<li>Built-in 50MHz signal generator<\/li>\n<li>Supports 14 standard waveforms<\/li>\n<li>Custom waveform generation supported<\/li>\n<\/ul>\n<p>The integrated spectrum analyzer covers:<br \/>\n200kHz to 350MHz<\/p>\n<p>Making it suitable for:<\/p>\n<ul>\n<li>EMI testing<\/li>\n<li>RF analysis<\/li>\n<li>High-frequency signal diagnostics<\/li>\n<\/ul>\n<h3>\u25cf High-Voltage Protection &amp; Fast Charging<\/h3>\n<ul>\n<li>Overvoltage protection up to 400V<\/li>\n<li>QC18W fast charging support<\/li>\n<\/ul>\n<p>Allowing safe operation and rapid charging for extended use.<\/p>\n<h3>\u25cf Convenient Data Storage &amp; Export<\/h3>\n<ul>\n<li>Stores up to 500 waveform groups<\/li>\n<li>Saves up to 90 screenshots<\/li>\n<li>USB data export support<\/li>\n<\/ul>\n<p>For easy analysis, documentation, and report generation.<\/p>\n<hr \/>\n<h1>Oscilloscope Specifications<\/h1>\n<table>\n<thead>\n<tr>\n<th>Specification<\/th>\n<th>Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Channels<\/td>\n<td>Dual Channel<\/td>\n<\/tr>\n<tr>\n<td>Bandwidth<\/td>\n<td>350MHz<\/td>\n<\/tr>\n<tr>\n<td>Max Sampling Rate<\/td>\n<td>1GSa\/s<\/td>\n<\/tr>\n<tr>\n<td>Rise Time<\/td>\n<td>1ns<\/td>\n<\/tr>\n<tr>\n<td>Memory Depth<\/td>\n<td>60Kpts<\/td>\n<\/tr>\n<tr>\n<td>High Resolution Mode<\/td>\n<td>8Bit \u2013 16Bit<\/td>\n<\/tr>\n<tr>\n<td>Overvoltage Protection<\/td>\n<td>Up to 400V<\/td>\n<\/tr>\n<tr>\n<td>Input Impedance<\/td>\n<td>1M\u03a9 \/ 14pF<\/td>\n<\/tr>\n<tr>\n<td>Probe Attenuation<\/td>\n<td>1X \/ 10X \/ 100X<\/td>\n<\/tr>\n<tr>\n<td>Vertical Sensitivity<\/td>\n<td>2mV \u2013 20V (1X)<\/td>\n<\/tr>\n<tr>\n<td>Vertical Range<\/td>\n<td>16mV \u2013 160V (1X)<\/td>\n<\/tr>\n<tr>\n<td>Time Base Range<\/td>\n<td>5ns \u2013 50s<\/td>\n<\/tr>\n<tr>\n<td>Roll Time Base<\/td>\n<td>50ms \u2013 50s<\/td>\n<\/tr>\n<tr>\n<td>Input Coupling<\/td>\n<td>DC \/ AC<\/td>\n<\/tr>\n<tr>\n<td>DC Accuracy<\/td>\n<td>\u00b12%<\/td>\n<\/tr>\n<tr>\n<td>Time Accuracy<\/td>\n<td>\u00b10.01%<\/td>\n<\/tr>\n<tr>\n<td>Automatic Measurements<\/td>\n<td>12 Types<\/td>\n<\/tr>\n<tr>\n<td>Cursor Measurements<\/td>\n<td>Time, Period, Frequency, Level, Voltage<\/td>\n<\/tr>\n<tr>\n<td>Simple FFT<\/td>\n<td>Supported<\/td>\n<\/tr>\n<tr>\n<td>X-Y Mode<\/td>\n<td>Supported<\/td>\n<\/tr>\n<tr>\n<td>Zoom Time Base<\/td>\n<td>Supported<\/td>\n<\/tr>\n<tr>\n<td>Digital Phosphor Display<\/td>\n<td>Supported<\/td>\n<\/tr>\n<tr>\n<td>Waveform Brightness<\/td>\n<td>Adjustable<\/td>\n<\/tr>\n<tr>\n<td>Color Temperature Display<\/td>\n<td>Supported<\/td>\n<\/tr>\n<tr>\n<td>One-Key Auto Setup<\/td>\n<td>Supported<\/td>\n<\/tr>\n<tr>\n<td>One-Key Zero Reset<\/td>\n<td>Supported<\/td>\n<\/tr>\n<tr>\n<td>Screenshot Storage<\/td>\n<td>90 Images<\/td>\n<\/tr>\n<tr>\n<td>Waveform Storage<\/td>\n<td>500 Groups<\/td>\n<\/tr>\n<tr>\n<td>Data Browser<\/td>\n<td>Supported<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Trigger Functions<\/h3>\n<table>\n<thead>\n<tr>\n<th>Specification<\/th>\n<th>Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Trigger Type<\/td>\n<td>Digital Trigger<\/td>\n<\/tr>\n<tr>\n<td>Trigger Channel<\/td>\n<td>CH1 \/ CH2<\/td>\n<\/tr>\n<tr>\n<td>Trigger Modes<\/td>\n<td>Auto \/ Normal \/ Single<\/td>\n<\/tr>\n<tr>\n<td>Trigger Edge<\/td>\n<td>Rising \/ Falling<\/td>\n<\/tr>\n<tr>\n<td>Trigger Level<\/td>\n<td>Manual or Auto (10%\u201390%)<\/td>\n<\/tr>\n<tr>\n<td>Trigger Holdoff<\/td>\n<td>L1 \u2013 L3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Hardware Bandwidth Limits<\/h3>\n<table>\n<thead>\n<tr>\n<th>Mode<\/th>\n<th>Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Bandwidth Limit<\/td>\n<td>20MHz \/ 150MHz<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h1>Signal Generator Specifications<\/h1>\n<table>\n<thead>\n<tr>\n<th>Specification<\/th>\n<th>Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Waveform Types<\/td>\n<td>14 Standard Waveforms + Captured Waveforms<\/td>\n<\/tr>\n<tr>\n<td>Frequency<\/td>\n<td>Up to 50MHz (Sine Wave)<\/td>\n<\/tr>\n<tr>\n<td>Other Waveform Frequencies<\/td>\n<td>Up to 10MHz \/ 5MHz \/ 3MHz<\/td>\n<\/tr>\n<tr>\n<td>Amplitude<\/td>\n<td>0 \u2013 5Vpp<\/td>\n<\/tr>\n<tr>\n<td>Offset<\/td>\n<td>-2.5V to +2.5V<\/td>\n<\/tr>\n<tr>\n<td>Frequency Resolution<\/td>\n<td>1Hz<\/td>\n<\/tr>\n<tr>\n<td>Amplitude Resolution<\/td>\n<td>1mV<\/td>\n<\/tr>\n<tr>\n<td>Offset Resolution<\/td>\n<td>1mV<\/td>\n<\/tr>\n<tr>\n<td>Duty Cycle<\/td>\n<td>0.1% \u2013 99.9%<\/td>\n<\/tr>\n<tr>\n<td>Duty Cycle Resolution<\/td>\n<td>0.1%<\/td>\n<\/tr>\n<tr>\n<td>Custom Waveform Storage<\/td>\n<td>500 Groups<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h1>Frequency Response Analyzer Specifications<\/h1>\n<table>\n<thead>\n<tr>\n<th>Specification<\/th>\n<th>Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Excitation Frequency<\/td>\n<td>100Hz \u2013 50MHz<\/td>\n<\/tr>\n<tr>\n<td>Excitation Amplitude<\/td>\n<td>0 \u2013 5Vpp<\/td>\n<\/tr>\n<tr>\n<td>Excitation Offset<\/td>\n<td>-2.5V to +2.5V<\/td>\n<\/tr>\n<tr>\n<td>Frequency Points<\/td>\n<td>20 \u2013 500<\/td>\n<\/tr>\n<tr>\n<td>Cursor Measurements<\/td>\n<td>Frequency, Gain, Phase<\/td>\n<\/tr>\n<tr>\n<td>Operating Modes<\/td>\n<td>Single \/ Cyclic<\/td>\n<\/tr>\n<tr>\n<td>System Calibration<\/td>\n<td>Supported<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h1>Spectrum Analyzer Specifications<\/h1>\n<table>\n<thead>\n<tr>\n<th>Specification<\/th>\n<th>Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Conversion Method<\/td>\n<td>FFT<\/td>\n<\/tr>\n<tr>\n<td>FFT Length<\/td>\n<td>4K \u2013 32K<\/td>\n<\/tr>\n<tr>\n<td>Frequency Range<\/td>\n<td>200kHz \u2013 350MHz<\/td>\n<\/tr>\n<tr>\n<td>Level Range<\/td>\n<td>-60dBmV to +260dBmV<\/td>\n<\/tr>\n<tr>\n<td>Cursor Measurements<\/td>\n<td>Frequency, Amplitude<\/td>\n<\/tr>\n<tr>\n<td>Maximum Energy Harmonic Marker<\/td>\n<td>Supported<\/td>\n<\/tr>\n<tr>\n<td>Waterfall Display<\/td>\n<td>Supported<\/td>\n<\/tr>\n<tr>\n<td>3D Waterfall Display<\/td>\n<td>Supported<\/td>\n<\/tr>\n<tr>\n<td>Auto Adjustment<\/td>\n<td>Supported<\/td>\n<\/tr>\n<tr>\n<td>System Calibration<\/td>\n<td>Supported<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h1>General Specifications<\/h1>\n<table>\n<thead>\n<tr>\n<th>Specification<\/th>\n<th>Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Power-On Presets<\/td>\n<td>5 Configurations<\/td>\n<\/tr>\n<tr>\n<td>Charging Requirement<\/td>\n<td>QC18W \u2013 12V \/ 1.5A<\/td>\n<\/tr>\n<tr>\n<td>Languages<\/td>\n<td>Chinese, English, Russian, Portuguese<\/td>\n<\/tr>\n<tr>\n<td>Battery<\/td>\n<td>3.7V Lithium Battery, 8000mAh<\/td>\n<\/tr>\n<tr>\n<td>Operating Time<\/td>\n<td>Approximately 3 Hours<\/td>\n<\/tr>\n<tr>\n<td>Charging Time<\/td>\n<td>Approximately 5 Hours<\/td>\n<\/tr>\n<tr>\n<td>Power Consumption<\/td>\n<td>10W<\/td>\n<\/tr>\n<tr>\n<td>Cooling System<\/td>\n<td>Air Cooling<\/td>\n<\/tr>\n<tr>\n<td>Dimensions<\/td>\n<td>190 \u00d7 128 \u00d7 37 mm<\/td>\n<\/tr>\n<tr>\n<td>Display<\/td>\n<td>7-Inch IPS Full Viewing Angle<\/td>\n<\/tr>\n<tr>\n<td>Resolution<\/td>\n<td>1024 \u00d7 600 Pixels<\/td>\n<\/tr>\n<tr>\n<td>Touch Interface<\/td>\n<td>Capacitive Touchscreen<\/td>\n<\/tr>\n<tr>\n<td>Auto Power-Off<\/td>\n<td>15 Minutes \u2013 1 Hour \/ Disabled<\/td>\n<\/tr>\n<tr>\n<td>Firmware Upgrade<\/td>\n<td>Supported via ISO Image<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h1>Product Overview<\/h1>\n<p>The <strong>FNIRSI DPOS350P<\/strong> is a professional all-in-one testing instrument designed for engineers, technicians, researchers, and electronics enthusiasts. Combining oscilloscope, signal generation, spectrum analysis, and frequency response analysis capabilities into a single portable device, it delivers powerful performance, advanced measurement functions, and exceptional versatility for laboratory research, production testing, troubleshooting, and RF applications.<\/p>\n<p>&nbsp;<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-medium wp-image-33360\" src=\"https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-7-400x400.jpg\" alt=\"\" width=\"400\" height=\"400\" srcset=\"https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-7-400x400.jpg 400w, https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-7-280x280.jpg 280w, https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-7-510x510.jpg 510w, https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-7-100x100.jpg 100w, https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-7.jpg 640w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/> <img decoding=\"async\" class=\"alignnone size-medium wp-image-33358\" src=\"https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-6-400x400.jpg\" alt=\"\" width=\"400\" height=\"400\" srcset=\"https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-6-400x400.jpg 400w, https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-6-280x280.jpg 280w, https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-6-510x510.jpg 510w, https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-6-100x100.jpg 100w, https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-6.jpg 640w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/> <img decoding=\"async\" class=\"alignnone size-medium wp-image-33356\" src=\"https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-5-400x400.jpg\" alt=\"\" width=\"400\" height=\"400\" srcset=\"https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-5-400x400.jpg 400w, https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-5-280x280.jpg 280w, https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-5-510x510.jpg 510w, https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-5-100x100.jpg 100w, https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-5.jpg 640w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-33354\" src=\"https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-4-400x400.jpg\" alt=\"\" width=\"400\" height=\"400\" srcset=\"https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-4-400x400.jpg 400w, https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-4-280x280.jpg 280w, https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-4-510x510.jpg 510w, https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-4-100x100.jpg 100w, https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-4.jpg 640w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-33352\" src=\"https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-3-400x400.jpg\" alt=\"\" width=\"400\" height=\"400\" srcset=\"https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-3-400x400.jpg 400w, https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-3-280x280.jpg 280w, https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-3-510x510.jpg 510w, https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-3-100x100.jpg 100w, https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-3.jpg 640w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-33350\" src=\"https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-2-400x400.jpg\" alt=\"\" width=\"400\" height=\"400\" srcset=\"https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-2-400x400.jpg 400w, https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-2-280x280.jpg 280w, https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-2-510x510.jpg 510w, https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-2-100x100.jpg 100w, https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-2.jpg 640w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-33348\" src=\"https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-1-400x400.jpg\" alt=\"\" width=\"400\" height=\"400\" srcset=\"https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-1-400x400.jpg 400w, https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-1-280x280.jpg 280w, https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-1-510x510.jpg 510w, https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-1-100x100.jpg 100w, https:\/\/qariya.net\/wp-content\/uploads\/2026\/06\/FNIRSI-1.jpg 640w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>FNIRSI DPOS350P Tablet Oscilloscope \u2013 4-in-1 Multifunction Instrument The FNIRSI DPOS350P is a powerful 4-in-1 multifunction instrument that combines: A 350MHz Dual-Channel Digital Phosphor Oscilloscope A 50MHz Full-Function Signal Generator A 200kHz\u2013350MHz Spectrum Analyzer A 50MHz Frequency Response Analyzer Featuring a 1GSa\/s real-time sampling rate, 350MHz analog bandwidth, and an ultra-high waveform refresh rate, the [&hellip;]\n","protected":false},"featured_media":33363,"template":"","meta":[],"product_cat":[210,169],"product_tag":[],"_links":{"self":[{"href":"https:\/\/qariya.net\/en\/wp-json\/wp\/v2\/product\/33345"}],"collection":[{"href":"https:\/\/qariya.net\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/qariya.net\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/qariya.net\/en\/wp-json\/wp\/v2\/media\/33363"}],"wp:attachment":[{"href":"https:\/\/qariya.net\/en\/wp-json\/wp\/v2\/media?parent=33345"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/qariya.net\/en\/wp-json\/wp\/v2\/product_cat?post=33345"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/qariya.net\/en\/wp-json\/wp\/v2\/product_tag?post=33345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}