{"product_id":"gaqqee-dt550-dc-voltmeter-ammeter-wattmeter-interface-tester","title":"Gaqqee DT550 DC Voltmeter Ammeter Wattmeter 4.5–50V 0–6A","description":"\n\u003ch2\u003eGaqqee DT550 High-Precision DC Interface Tester – Voltmeter, Ammeter \u0026amp; Wattmeter\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eGaqqee DT550\u003c\/strong\u003e is a compact, high-precision DC power meter built for makers, technicians, and electronics enthusiasts who need accurate, real-time measurements at a glance. With its \u003cstrong\u003eDC 5.5×2.5mm interface\u003c\/strong\u003e, it slots directly between your power source and DC-powered device — no extra leads required — giving you instant readings of voltage, current, power, energy, capacity, and more.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Parameter Measurement:\u003c\/strong\u003e Simultaneously monitors voltage (DC 4.5–50V), current (0–6A, peak 12A), power (0–600W), energy (0–9,999,999 Wh), capacity (0–9,999,999 mAh), elapsed time, CPU temperature, and peak values — all in one device.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColour \/ Monochrome Screen:\u003c\/strong\u003e Press and hold the screen rotation button for ~3 seconds while switching interfaces to toggle between a vivid colour display and a sharp monochrome mode, whichever suits your environment best.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e360° Rotating Display:\u003c\/strong\u003e The four-way rotating screen ensures readings are always right-side-up, no matter which direction you're viewing from — ideal for bench setups or tight cable runs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Device Compatibility:\u003c\/strong\u003e Works with computer monitors, routers, network switches, laptops, power tools, and virtually any DC-powered device with a standard DC port. The 2.5mm fork male connector is also compatible with 2.1mm sockets for broader application.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Low Sampling Resistance:\u003c\/strong\u003e The 0.001Ω sampling resistor minimises measurement-induced losses, keeping readings accurate and your device's performance unaffected.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE \u0026amp; RoHS Certified:\u003c\/strong\u003e Designed and tested to meet CE and RoHS standards for safety and environmental compliance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eData Record Function:\u003c\/strong\u003e Captures maximum voltage, current, and power peaks over a session so you can review performance history without additional logging equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDT550\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 5.5 × 2.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 4.5–50V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–6A (short-term peak 12A)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Display\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–600W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnergy Display\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–9,999,999 Wh\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCapacity Display\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–9,999,999 mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSampling Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.001Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–45°C \/ 32–113°F\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.5W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e58 × 26 × 16 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDigital (Colour \/ Monochrome selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDT550 DC Interface Tester × 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou Might Also Like\u003c\/h3\u003e\n\u003cp\u003eLooking for more great products? Check out the \u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e for your wellness routine, or explore our range of \u003ca href=\"\/products\/bu-sinking-minnow-lure-29mm-2-8g-bass-pike-trout-wobbler\"\u003eB\u0026amp;U Sinking Minnow Lure\u003c\/a\u003e for outdoor adventures.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What types of DC devices is the Gaqqee DT550 digital voltmeter compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: The DT550 is compatible with a wide range of DC-powered devices that use a standard DC port, including computer monitors, laptops, routers, network switches, and power tools. Its 5.5×2.5mm male connector is also compatible with 2.1mm sockets, making it highly versatile across different setups.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the DT550 wattmeter require batteries or an external power supply?\u003c\/h4\u003e\n\u003cp\u003eA: No separate batteries are required. The DT550 draws its operating power directly from the DC circuit it is measuring (DC 4.5–50V), consuming less than 0.5W in operation, so it's always ready as soon as it's connected in-line.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can the DT550 ammeter handle current spikes above 6A?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. While the continuous operating current range is 0–6A, the DT550 can handle short-term peak currents of up to 12A, giving you headroom for devices that draw transient bursts during startup or heavy load events.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I switch between colour and monochrome display modes on the DT550?\u003c\/h4\u003e\n\u003cp\u003eA: Simply press and hold the screen rotation button for approximately 3 seconds while cycling through the display interfaces. This toggles the screen between colour and monochrome modes, allowing you to choose the best option for your viewing conditions.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What types of DC devices is the Gaqqee DT550 digital voltmeter compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The DT550 is compatible with a wide range of DC-powered devices that use a standard DC port, including computer monitors, laptops, routers, network switches, and power tools. 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