{"product_id":"ute9811plus","title":"UTE9811+ 600V\/20A Harmonic-Analysis Digital Power Meter","description":"\u003ch1\u003eUNI-T UTE9811+ Compact Digital Power Meter\u003c\/h1\u003e\u003cdiv class=\"product-container\"\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eUNI-T UTE9811+\u003c\/strong\u003e is a compact single-phase digital power meter measuring 3V – 600V \/ 5mA – 20A to 1W – 12kW. It performs PLL-synchronized harmonic analysis to the 50th order with THD and crest-factor measurement — built for power-quality and distortion work.\u003c\/p\u003e\n\u003cp\u003eIt is built for bench and in-rack power measurement on power-supply, converter and appliance-energy work, with RS-232 and RS-485 for datalogging and integration into automated test.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-container\"\u003e\n\u003ch2\u003eChoosing Your Model — UTE9800+ Series\u003c\/h2\u003e\n\u003cp\u003eThe UTE9800+ name covers three distinct compact power meters. Compare the full series before selecting:\u003c\/p\u003e\n\u003ctable class=\"product-spec-table\" style=\"table-layout:fixed;width:100%\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width:20%\"\u003e\n\u003ccol style=\"width:30%\"\u003e\n\u003ccol style=\"width:30%\"\u003e\n\u003ccol style=\"width:20%\"\u003e\n\u003c\/colgroup\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eWhat Sets It Apart\u003c\/th\u003e\n\u003cth\u003eMeasurement\u003c\/th\u003e\n\u003cth\u003eV \/ A Range\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUTE9802+\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC \/ DC \/ AC+DC True RMS\u003c\/td\u003e\n\u003ctd\u003eTrue power, V, A, W, PF, Hz\u003c\/td\u003e\n\u003ctd\u003e3V – 600V \/ 0.5mA – 20A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUTE9806+\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApparent power + V \/ PF alarm limits\u003c\/td\u003e\n\u003ctd\u003eV, A, P, VA, PF, Hz, Vpeak, Apeak\u003c\/td\u003e\n\u003ctd\u003e0.5V – 600V \/ 0.05mA – 10A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUTE9811+\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50th-order harmonic analysis (PLL)\u003c\/td\u003e\n\u003ctd\u003eV, A, W, PF, Hz, THD, CF\u003c\/td\u003e\n\u003ctd\u003e3V – 600V \/ 5mA – 20A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe three UTE9800+ models are not a progression — each is a distinct instrument chosen by what you need to measure: mixed-mode true RMS (9802+), limit\/alarm testing (9806+), or harmonic and distortion analysis (9811+).\u003c\/p\u003e\n\u003cp\u003eFor single-phase high-voltage bench measurement or three-phase work, see the \u003ca href=\"\/products\/ute310-digital-power-meter\"\u003eUTE310 Series\u003c\/a\u003e (600 V \/ 1000 V single-phase) and the \u003ca href=\"\/products\/ute323-3ph-digital-power-meter\"\u003eUTE323 Series\u003c\/a\u003e (3-channel three-phase) — distinct higher-tier instrument lines.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-container\"\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"product-key-features\"\u003e\n\u003cli\u003e50th-order harmonic analysis, PLL-synchronized\u003c\/li\u003e\n\u003cli\u003eTHD and crest-factor (CF) measurement\u003c\/li\u003e\n\u003cli\u003eTrue power, V, A, W, PF and frequency\u003c\/li\u003e\n\u003cli\u003e3V – 600V \/ 5mA – 20A measurement range, to 1W – 12kW\u003c\/li\u003e\n\u003cli\u003eVoltage resolution 0.01V; current resolution 1mA\u003c\/li\u003e\n\u003cli\u003eMeasurement bandwidth 40Hz – 70Hz\u003c\/li\u003e\n\u003cli\u003eRS-232 and RS-485 for datalogging and ATE integration\u003c\/li\u003e\n\u003cli\u003e4.3-inch LCD display\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-container\"\u003e\n\u003ch2\u003eUNI-T UTE9811+ Details\u003c\/h2\u003e\n\u003ch3\u003e50th-Order Harmonic Analysis, PLL-Synchronized\u003c\/h3\u003e\n\u003cp\u003eThe UTE9811+ performs phase-locked-loop synchronized harmonic analysis to the 50th order, with total harmonic distortion (THD) and crest-factor measurement — the data set for power-quality and distortion assessment on non-linear loads.\u003c\/p\u003e\n\u003ch3\u003eRS-232 \/ RS-485 Communication\u003c\/h3\u003e\n\u003cp\u003eBoth RS-232 and RS-485 are standard, with SCPI and Modbus support, for datalogging and integration into multi-drop production-line monitoring or an automated test framework.\u003c\/p\u003e\n\u003ch3\u003eCompact Bench \/ In-Rack Form Factor\u003c\/h3\u003e\n\u003cp\u003eThe compact chassis fits a test bench or an instrument rack and leaves the front-panel reading clear for V, A, W, PF and frequency at a glance during a measurement run.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-container\"\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003ch3\u003ePower-Quality \u0026amp; Harmonic Work\u003c\/h3\u003e\n\u003cp\u003ePLL-synchronized 50th-order harmonic analysis with THD and crest factor quantifies distortion on rectifier and PFC front ends for power-quality assessment.\u003c\/p\u003e\n\u003ch3\u003ePre-Compliance Distortion Screening\u003c\/h3\u003e\n\u003cp\u003eBench harmonic and THD screening flags distortion problems early in design verification, before formal compliance testing.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-container\"\u003e\n\u003ch2\u003eAccessories and Family Options\u003c\/h2\u003e\n\u003cp\u003eUTE-series test cables and the UTE-M01-US North-American test fixture support safe connection to standard plug loads.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-container\"\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eHow does the UTE9811+ differ from the other UTE9800+ models?\u003c\/h3\u003e\n\u003cp\u003eEach UTE9800+ model is a distinct instrument: the UTE9802+ adds AC\/DC\/AC+DC true-RMS modes, the UTE9806+ adds apparent power and limit alarms, and the UTE9811+ adds 50th-order harmonic analysis. They are chosen by measurement need, not as a tier progression.\u003c\/p\u003e\n\u003ch3\u003eDoes it have a computer interface?\u003c\/h3\u003e\n\u003cp\u003eYes — RS-232 and RS-485 with SCPI and Modbus support, for datalogging and automated test.\u003c\/p\u003e\n\u003ch3\u003eIs this a three-phase meter?\u003c\/h3\u003e\n\u003cp\u003eNo. The UTE9800+ models are single-phase (1P2W). For three-phase measurement, see the UTE323 Series.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"UNI-T","offers":[{"title":"Default Title","offer_id":51324551201052,"sku":"182700700012X","price":379.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/9208\/0924\/files\/UTE9811__F-S.png?v=1740604583","url":"https:\/\/uni-trendus.com\/products\/ute9811plus","provider":"Uni-Trend US","version":"1.0","type":"link"}