{"product_id":"dt830b-digital-multimeter-ac-dc-voltmeter-ammeter-circuit-tester","title":"DT830B Digital Multimeter – AC\/DC Voltmeter \u0026 Circuit Tester","description":"\n\u003ch2\u003eDT830B Digital Multimeter – Versatile AC\/DC Electrical Tester\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDT830B Digital Multimeter\u003c\/strong\u003e is a compact, reliable, and easy-to-use electrical testing tool designed for hobbyists, technicians, radio enthusiasts, and everyday home users. Whether you're troubleshooting automotive wiring, testing household appliances, or working in a lab or workshop, this multimeter delivers accurate readings across voltage, current, resistance, and transistor measurements — all on a crisp, large-screen display.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge LCD Display:\u003c\/strong\u003e Shows clear, accurate readings with a maximum display value of 1999 — easy to read in any lighting condition.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Rubber-Sleeved Test Leads:\u003c\/strong\u003e Compact and insulated rubber protective sleeves provide excellent grip and electrical insulation for safe, comfortable use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverload Protection:\u003c\/strong\u003e Automatic recovery overload protection circuit safeguards both the meter and the user during unexpected voltage spikes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Measurement Modes:\u003c\/strong\u003e Measures AC\/DC voltage, DC current, resistance, and NPN\/PNP transistors — ideal for a wide range of electrical diagnostics.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLightweight \u0026amp; Portable:\u003c\/strong\u003e Weighing just ~126g with a slim ABS body, it slips easily into a toolbox or work bag.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for laboratories, factories, automotive diagnostics, and home electrical troubleshooting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse: collapse;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003eABS Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003eApprox. 12.4 × 6.9 × 2.4 cm \/ 4.9 × 2.7 × 0.9 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003eApprox. 126g \/ 4.4 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMax Display Value\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003e1999\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eDC Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003e200mV \/ 2000mV \/ 20V \/ 200V \/ 1000V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eAC Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003e200V \/ 750V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eDC Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003e200µA \/ 2000µA \/ 20mA \/ 200mA \/ 10A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eResistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003e200Ω \/ 2kΩ \/ 20kΩ \/ 200kΩ \/ 2000kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eTransistor Types\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003eNPN, PNP\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003e-40°C to 1000°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003e9V Battery (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× DT830B Digital Multimeter\u003c\/li\u003e\n  \u003cli\u003e1× Connecting Cable (Test Leads)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-channel-relay-module-dc-3-3v-24v-optocoupler-arduino\"\u003e1-Channel Relay Module DC 3.3V–24V Optocoupler for Arduino\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-25mm-1000-turn-precision-copper-inductor-coil-diy-electronics\"\u003e0.25mm 1000-Turn Precision Copper Inductor Coil for DIY Circuits\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-channel-scr-solid-state-relay-switch-module-dc3-24v-40a-optocoupler\"\u003e1-Channel SCR Solid State Relay Module DC3-24V 40A Optocoupler\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor general electrical safety guidelines and best practices when working with electrical test equipment, visit the \u003ca href=\"https:\/\/www.osha.gov\/electrical\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA Electrical Safety Resource\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eScreen colors may vary slightly due to monitor brightness and ambient lighting conditions.\u003c\/li\u003e\n  \u003cli\u003ePlease allow for slight manual measurement deviation in the specifications provided.\u003c\/li\u003e\n  \u003cli\u003eBattery (9V) is \u003cstrong\u003enot included\u003c\/strong\u003e and must be purchased separately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What measurements can the DT830B Digital Multimeter take?\u003c\/h4\u003e\n\u003cp\u003eA: The DT830B Digital Multimeter measures AC voltage (200V\/750V), DC voltage (200mV to 1000V), DC current (200µA to 10A), resistance (200Ω to 2000kΩ), and can test NPN and PNP transistors. It also supports temperature measurements from -40°C to 1000°C, making it a highly versatile electrical tester for home, automotive, and professional use.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the DT830B multimeter come with a battery?\u003c\/h4\u003e\n\u003cp\u003eA: No, the DT830B multimeter requires a 9V battery (not included). You will need to purchase a 9V battery separately before use. The package includes the multimeter unit and one set of connecting cables (test leads).\u003c\/p\u003e\n\u003ch4\u003eQ: Is the DT830B suitable for beginners?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The DT830B features a large, easy-to-read LCD display with a maximum value of 1999, clearly labeled measurement ranges, and intuitive controls — making it an excellent choice for beginners, students, radio hobbyists, and home users, as well as more experienced technicians in labs or factories.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the multimeter have overload protection?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The DT830B is equipped with an automatic recovery overload protection circuit, which helps protect the device and ensure user safety in the event of unexpected electrical surges or incorrect range selections.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What measurements can the DT830B Digital Multimeter take?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The DT830B Digital Multimeter measures AC voltage (200V\/750V), DC voltage (200mV to 1000V), DC current (200µA to 10A), resistance (200Ω to 2000kΩ), and can test NPN and PNP transistors. It also supports temperature measurements from -40°C to 1000°C, making it a highly versatile electrical tester for home, automotive, and professional use.\"}}, {\"@type\": \"Question\", \"name\": \"Does the DT830B multimeter come with a battery?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No, the DT830B multimeter requires a 9V battery (not included). You will need to purchase a 9V battery separately before use. The package includes the multimeter unit and one set of connecting cables (test leads).\"}}, {\"@type\": \"Question\", \"name\": \"Is the DT830B suitable for beginners?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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