{"product_id":"uni-t-ut512-high-voltage-insulation-resistance-tester","title":"Uni-T UT512 High Voltage Insulation Resistance Tester","description":"\u003cdiv style=\"font-size: 1.1em;\"\u003e\n\u003ch2\u003eUni-T UT512 high voltage tester – reliable insulation testing\u003c\/h2\u003e\n\u003cdiv class=\"context-badges\"\u003e \u003cspan\u003eSuitable for field use\u003c\/span\u003e \u003cspan\u003eHandheld digital tester\u003c\/span\u003e \u003cspan\u003eVoltage measurement above 1000 V\u003c\/span\u003e\n\u003c\/div\u003e The Uni-T UT512 is a handheld digital tester designed for safe insulation resistance measurements at higher voltages. It is ideal for electricians and service technicians working in more demanding environments.\u003cul\u003e\n\u003cli\u003e Easy digital reading of results\u003c\/li\u003e\n\u003cli\u003e Suitable for measurement in devices above 1000 V\u003c\/li\u003e\n\u003cli\u003e Compact design for easy portability\u003c\/li\u003e\n\u003cli\u003e Handheld model allows for field use\u003c\/li\u003e\n\u003cli\u003e Designed for precise and clear insulation testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cbr\u003e\u003cbr\u003e\u003ch3\u003eUni-T UT512 High Voltage Insulation Resistance Tester\u003c\/h3\u003e\u003cp\u003e The Uni-T UT512 high-voltage insulation resistance tester is an advanced measuring device designed for diagnosing electrical installations and large machines such as transformers, generators and high-voltage motors. It offers a wide range of test voltages up to 2500 V, insulation resistance measurement up to 100 GΩ, and PI and DAR functions that help assess the condition of the insulation over time. Thanks to the memory for 18 data sets, USB communication and PC software, subsequent analysis of the results is possible. The large display with an analog bar graph allows for quick reading, and automatic functions increase comfort and safety during operation.\u003c\/p\u003e\u003ch3\u003e Stable and accurate measurements\u003c\/h3\u003e\u003cp\u003e UT512 allows insulation resistance measurements at different test voltages, which allows parameters to be adapted to the device under test. This makes the results more reliable and allows the user to better assess the actual condition of the installation. In addition, the PI and DAR functions support analysis of insulation quality over time, which is important for industrial equipment diagnostics.\u003c\/p\u003e\u003ch3\u003e Clear display and user-friendly operation\u003c\/h3\u003e\u003cp\u003e The large, high-resolution display with 30-segment bar graph allows for quick evaluation of the result without having to analyze the numbers in detail. The backlight makes it easier to work in low light conditions, and the intuitive operation makes the device suitable for use both in the field and in the workshop.\u003c\/p\u003e\u003ch3\u003e Features that improve safety at work\u003c\/h3\u003e\u003cp\u003e The tester is equipped with automatic current discharge and high voltage signaling, which reduces the risk of errors and improves user safety. In addition, the device warns the user when the measurement range is exceeded or the battery is low, helping to prevent unreliable measurements.\u003c\/p\u003e\u003ch3\u003e Data analysis and computer communication\u003c\/h3\u003e\u003cp\u003e Thanks to the built-in memory, up to 18 sets of results can be stored and then transferred to a computer via USB. The included software allows data analysis, which is particularly useful for regular inspections and documentation of the condition of the installation.\u003c\/p\u003e\u003ch3\u003e Included in the kit\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e Insulation Resistance Tester Uni-T UT512\u003c\/li\u003e\n\u003cli\u003e Red test lead (two-pin) with alligator clip\u003c\/li\u003e\n\u003cli\u003e Test leads (single) with crocodile clips (2 pieces)\u003c\/li\u003e\n\u003cli\u003e Power supply\u003c\/li\u003e\n\u003cli\u003e USB cable\u003c\/li\u003e\n\u003cli\u003e CD with computer software\u003c\/li\u003e\n\u003cli\u003e Battery pack (8 × 1.5V LR14)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv class=\"table-wrapper\"\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e Manufacturer\u003c\/th\u003e\n\u003ctd\u003e Uni-T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Model\u003c\/th\u003e\n\u003ctd\u003e UT512\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Test voltages\u003c\/th\u003e\n\u003ctd\u003e 500V, 1000V, 2500V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Insulation resistance measurement range\u003c\/th\u003e\n\u003ctd\u003e up to 100 GΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Measurement accuracy\u003c\/th\u003e\n\u003ctd\u003e up to ±(3% + 5) (depending on range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Data memory\u003c\/th\u003e\n\u003ctd\u003e 18 sets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Display\u003c\/th\u003e\n\u003ctd\u003e 9999 with analog bar graph (30 segments)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Functions\u003c\/th\u003e\n\u003ctd\u003e Continuous measurement mode, automatic power off, LCD backlight, automatic current discharge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Power supply\u003c\/th\u003e\n\u003ctd\u003e 8 × 1.5V battery (LR14)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Dimensions\u003c\/th\u003e\n\u003ctd\u003e 202 × 155 × 94mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Weight\u003c\/th\u003e\n\u003ctd\u003e approximately 1.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Certificates\u003c\/th\u003e\n\u003ctd\u003e CE, UKCA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e Warranty: 24 months\u003cbr\u003e\u003cbr\u003e The text is machine translated.\u003c\/p\u003e\u003cbr\u003e\r\n\u003cbr\u003e\u003cbr\u003e\u003ch2\u003eSame summary\u003c\/h2\u003e\u003cp\u003e The Uni-T UT512 high-voltage insulation resistance tester is a digital handheld instrument that is best suited for professionals and advanced hobbyists who need a high measurement range of over 1000 V when checking the insulation of electrical installations and devices. Due to its specialization in high-voltage measurements, it is suitable where basic multimeters are not sufficient, for example when working in industry, construction or regular network security testing. For everyday or just home repairs where there is no need to measure high voltages, this model may be too extensive, so we advise choosing according to the actual area of application.\u003c\/p\u003e\u003cp\u003e \u003cem\u003eRecommendation source: Enaa guides and team experiences.\u003c\/em\u003e\u003c\/p\u003e\u003ch2\u003e User view\u003c\/h2\u003e\u003cp\u003e Such testers are typically found in the hands of users who regularly perform measurements in more demanding environments, such as electricians, inspectors or experienced craftsmen in industry and construction. They are particularly useful where insulation testing is crucial for the safety of equipment and people, as well as in major renovation projects.\u003c\/p\u003e\u003cp\u003e The consistency of measurements and the expanded ecosystem of \u003ca href=\"https:\/\/www.enaa.com\/znamka\/uni-t\"\u003eUni-T\u003c\/a\u003e brand accessories allow users to trust the accuracy and repeatability of results, which is essential for critical tasks.\u003c\/p\u003e\u003ch2\u003e Why buy at Enaa\u003c\/h2\u003e\u003cp\u003e At Enaa, our range of expertly selected measuring instruments is tailored to the needs of different users, so you can easily find the right tool for specific measurements. In addition, we clearly label key technical features for easier comparison between models.\u003c\/p\u003e\u003ch2\u003e Answers to frequently asked questions\u003c\/h2\u003e\u003ch3\u003e What types of voltages is the Uni-T UT512 suitable for?\u003c\/h3\u003e\u003cp\u003e This model is designed to test insulation resistance at high voltages, making it ideal for use in professional environments where voltages are higher than typical household circuits.\u003c\/p\u003e\u003ch3\u003e Is it also suitable for basic household repairs?\u003c\/h3\u003e\u003cp\u003e Although it is technically capable of basic functions, its high measurement range makes it more suitable for specialized use and professionals, as such parameters are mostly unnecessary for normal household repairs.\u003c\/p\u003e\u003ch3\u003e What does it mean that the tester is digital and manual?\u003c\/h3\u003e\u003cp\u003e The digital display allows for clear and accurate reading of values, while the manual version means greater mobility and flexibility when working in different locations.\u003c\/p\u003e\u003ch3\u003e How important is moisture protection for this model?\u003c\/h3\u003e\u003cp\u003e Moisture protection is recommended if the tester is used in the field, construction, or other environments where it is exposed to moisture or dust. However, if it is used exclusively in dry indoor areas, this feature is not essential.\u003c\/p\u003e\u003ch3\u003e Are there any add-ons or upgrades available for this tester?\u003c\/h3\u003e\u003cp\u003e Various accessories, such as probes and protective bags, are usually available for the Uni-T UT512, which facilitate and protect use in demanding tasks.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e\u003cbr \/\u003e\n{\u003cbr \/\u003e\n  \"@context\": \"https:\/\/schema.org\",\u003cbr \/\u003e\n  \"@type\": \"FAQPage\",\u003cbr \/\u003e\n  \"mainEntity\": [\u003cbr \/\u003e\n    {\u003cbr \/\u003e\n      \"@type\": \"Question\",\u003cbr \/\u003e\n      \"name\": \"Za katere vrste napetosti je Uni-T UT512 primeren?\",\u003cbr \/\u003e\n      \"acceptedAnswer\": {\u003cbr \/\u003e\n        \"@type\": \"Answer\",\u003cbr \/\u003e\n        \"text\": \"Ta model je namenjen testiranju izolacijske upornosti pri visokih napetostih, zato je idealen za uporabo v profesionalnih okoljih, kjer so napetosti višje od običajnih gospodinjskih tokokrogov.\"\u003cbr \/\u003e\n      }\u003cbr \/\u003e\n    },\u003cbr \/\u003e\n    {\u003cbr \/\u003e\n      \"@type\": \"Question\",\u003cbr \/\u003e\n      \"name\": \"Ali je primeren tudi za osnovna gospodinjska popravila?\",\u003cbr \/\u003e\n      \"acceptedAnswer\": {\u003cbr \/\u003e\n        \"@type\": \"Answer\",\u003cbr \/\u003e\n        \"text\": \"Kljub temu da je tehnično sposoben osnovnih funkcij, je zaradi visokega merilnega območja bolj smiseln za specializirano uporabo in profesionalce, saj so pri običajnih gospodinjskih popravilih taki parametri večinoma nepotrebni.\"\u003cbr \/\u003e\n      }\u003cbr \/\u003e\n    },\u003cbr \/\u003e\n    {\u003cbr \/\u003e\n      \"@type\": \"Question\",\u003cbr \/\u003e\n      \"name\": \"Kaj pomeni, da je tester digitalni in ročni?\",\u003cbr \/\u003e\n      \"acceptedAnswer\": {\u003cbr \/\u003e\n        \"@type\": \"Answer\",\u003cbr \/\u003e\n        \"text\": \"Digitalni prikaz omogoča jasen in natančen odčitek vrednosti, ročna izvedba pa pomeni večjo mobilnost in prilagodljivost pri delu na različnih lokacijah.\"\u003cbr \/\u003e\n      }\u003cbr \/\u003e\n    },\u003cbr \/\u003e\n    {\u003cbr \/\u003e\n      \"@type\": \"Question\",\u003cbr \/\u003e\n      \"name\": \"Kako pomembna je zaščita pred vlago pri tem modelu?\",\u003cbr \/\u003e\n      \"acceptedAnswer\": {\u003cbr \/\u003e\n        \"@type\": \"Answer\",\u003cbr \/\u003e\n        \"text\": \"Zaščita pred vlago je priporočljiva, če tester uporabljate na terenu, v gradbeništvu ali drugih okoljih, kjer je izpostavljen vlagi ali prahu. Če pa ga uporabljate izključno v suhem notranjem prostoru, ta funkcija ni ključna.\"\u003cbr \/\u003e\n      }\u003cbr \/\u003e\n    },\u003cbr \/\u003e\n    {\u003cbr \/\u003e\n      \"@type\": \"Question\",\u003cbr \/\u003e\n      \"name\": \"Ali so na voljo dodatki ali nadgradnje za ta tester?\",\u003cbr \/\u003e\n      \"acceptedAnswer\": {\u003cbr \/\u003e\n        \"@type\": \"Answer\",\u003cbr \/\u003e\n        \"text\": \"Za Uni-T UT512 so običajno na voljo različni dodatki, kot so sonde in zaščitne torbe, ki olajšajo in zaščitijo uporabo pri zahtevnih nalogah.\"\u003cbr \/\u003e\n      }\u003cbr \/\u003e\n    }\u003cbr \/\u003e\n  ]\u003cbr \/\u003e\n}\u003cbr \/\u003e\n\u003c\/script\u003e\u003cp style=\"font-size: 0.9em; color: #666;\"\u003eDescription updated: June 2026\u003c\/p\u003e","brand":"Uni-T","offers":[{"title":"Default Title","offer_id":58722287583563,"sku":null,"price":137.76,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/3457\/3643\/files\/uni_t_ut512_high_voltage_insulation_resistance_tester_20257985.jpg?v=1791300763","url":"https:\/\/enaa.eu\/products\/uni-t-ut512-high-voltage-insulation-resistance-tester","provider":"Enaa","version":"1.0","type":"link"}