{"product_id":"m181-lcr-bridge-tester-high-precision-inductance-capacitance-meter-diy-kit","title":"M181 LCR Bridge Tester – High Precision LCR Meter DIY Kit","description":"\n\u003ch2\u003eM181 LCR Bridge Tester Module – High Precision Inductance, Capacitance \u0026amp; Resistance Meter DIY Kit\u003c\/h2\u003e\n\u003cp\u003eTake your electronics projects to the next level with the \u003cstrong\u003eM181 LCR Bridge Tester Module\u003c\/strong\u003e — a high-precision, fully assembled DIY kit designed for hobbyists, engineers, and electronics enthusiasts. Powered via USB (DC 5V), this compact module accurately measures inductance, capacitance, and resistance across an impressively wide range, all with approximately 1% accuracy. Whether you're sorting components, debugging circuits, or building test equipment, the M181 delivers reliable readings at a glance.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUSB Power Supply (DC 5V):\u003c\/strong\u003e Powers conveniently from any standard USB port — no dedicated power adapter needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Automatic Range:\u003c\/strong\u003e No manual range switching required; the module auto-selects the optimal measurement range.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e~1% Accuracy:\u003c\/strong\u003e Delivers dependable, repeatable measurements suitable for component sorting and circuit verification.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay Freeze Function:\u003c\/strong\u003e Lock the current reading on-screen for easy recording and hands-free reference.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSerial Data Output:\u003c\/strong\u003e Measurement results are output serially, making it easy to log data or integrate with a microcontroller\/PC.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Measurement Ranges:\u003c\/strong\u003e\n    \u003cul\u003e\n      \u003cli\u003eResistance: 0.1 Ω – 10 MΩ\u003c\/li\u003e\n      \u003cli\u003eCapacitance: 1 pF – 10,000 µF\u003c\/li\u003e\n      \u003cli\u003eInductance: 1 µH – 20 H\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWelded DIY Kit:\u003c\/strong\u003e Comes pre-soldered and ready to use — ideal for those who want a finished, functional module right out of the box.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× M181 LCR Bridge Tester \/ Capacitance Meter (fully welded)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications at a Glance\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB DC 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~1%\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResistance Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1 Ω – 10 MΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCapacitance Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 pF – 10,000 µF\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInductance Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 µH – 20 H\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRange Selection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFull Automatic\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eData Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSerial\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 Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDue to lighting and screen variations, the item's color may appear slightly different from product images.\u003c\/li\u003e\n  \u003cli\u003ePlease allow 1 mm – 1 cm differences due to manual measurement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor best practices in electronics safety and component handling, refer to the U.S. Consumer Product Safety Commission – Electrical Safety guidelines.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does the M181 LCR Bridge Tester measure?\u003c\/h4\u003e\n\u003cp\u003eA: The M181 LCR Bridge Tester measures three core passive component parameters: \u003cstrong\u003eInductance\u003c\/strong\u003e (1 µH – 20 H), \u003cstrong\u003eCapacitance\u003c\/strong\u003e (1 pF – 10,000 µF), and \u003cstrong\u003eResistance\u003c\/strong\u003e (0.1 Ω – 10 MΩ). It's ideal for verifying and sorting resistors, capacitors, and inductors in electronics projects.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the M181 require any soldering or assembly?\u003c\/h4\u003e\n\u003cp\u003eA: No. This kit is described as \"welded\" (pre-soldered), meaning the module comes fully assembled and ready to use. Simply connect it to a USB 5V power source and start measuring your components.\u003c\/p\u003e\n\u003ch4\u003eQ: How is the M181 powered?\u003c\/h4\u003e\n\u003cp\u003eA: The M181 LCR meter is powered via a standard USB connection at DC 5V, making it compatible with phone chargers, power banks, computer USB ports, and other common 5V USB sources.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I log the measurement data to a computer?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The M181 outputs measurement results serially, so you can connect it to a microcontroller (e.g., Arduino) or a PC with a serial interface to record and log your readings automatically.\u003c\/p\u003e\n\u003ch4\u003eQ: Is the measurement range selection manual or automatic?\u003c\/h4\u003e\n\u003cp\u003eA: The M181 features \u003cstrong\u003efull automatic range selection\u003c\/strong\u003e — it intelligently detects the component being measured and selects the appropriate range without any manual input from the user.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does the M181 LCR Bridge Tester measure?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The M181 LCR Bridge Tester measures three core passive component parameters: Inductance (1 µH – 20 H), Capacitance (1 pF – 10,000 µF), and Resistance (0.1 Ω – 10 MΩ). 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