{"product_id":"testo-750-1-digital-voltage-tester-0590-7501","title":"Testo 750-1 Digital Voltage Tester","description":"\u003cdiv style=\"text-align: left;\"\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eThe Testo 750-1 Digital Voltage Tester is a solid choice for any HVAC tech needing to quickly and safely verify electrical circuits. It gives you a clear, all-around viewable LED indication, which is a real lifesaver when you're perched on a ladder or working in a tight spot under a roof.\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eThis tester helps you confirm de-energisation before you start work, keeping you safe on every job, from split system installs to commercial chiller maintenance across Australia.\u003c\/p\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eBest For\u003c\/h2\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli\u003eHVAC technicians\u003c\/li\u003e\n\u003cli\u003eElectricians\u003c\/li\u003e\n\u003cli\u003eMaintenance teams\u003c\/li\u003e\n\u003cli\u003eRefrigeration apprentices\u003c\/li\u003e\n\u003cli\u003eCompetent DIY owners working on electrical systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eCompatibility\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eThe Testo 750-1 is built for a wide range of electrical tasks, handling AC\/DC voltage from 12V up to 690V. It's designed to meet CAT III 690 V and CAT IV 600 V safety standards, making it suitable for most domestic and light commercial electrical systems. If you're running a different model or system, check fittings and specs before ordering.\u003c\/p\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eFeatures\u003c\/h2\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli\u003ePatented all-around viewable LED voltage bar indication for clear readings from any angle.\u003c\/li\u003e\n\u003cli\u003eMeasures AC\/DC voltage from 12V to 690V, covering most common applications.\u003c\/li\u003e\n\u003cli\u003eIncludes polarity detection for DC voltage measurements to ensure correct wiring.\u003c\/li\u003e\n\u003cli\u003eIntegrated phase sequence test helps determine correct motor rotation for three-phase systems.\u003c\/li\u003e\n\u003cli\u003eLow input impedance helps prevent ghost voltages from providing false readings.\u003c\/li\u003e\n\u003cli\u003ePerforms continuity testing for quick circuit checks.\u003c\/li\u003e\n\u003cli\u003eIP64 protection class ensures durability in dusty or damp working conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 16px; margin-bottom: 20px;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"color: #007acc; border: 1px solid #e0e0e0; padding: 10px; text-align: left; background-color: #f5f5f5;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"color: #007acc; border: 1px solid #e0e0e0; padding: 10px; text-align: left; background-color: #f5f5f5;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eDC Voltage Range\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e12 to 690 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eAC Voltage Range\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e12 to 690 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eOperating Humidity\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e0 to 95 %rH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e235 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e270 x 65 x 35 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e-10 to +50 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eProtection Class\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eIP64\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eOvervoltage Category\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eCAT IV 600 V; CAT III 690 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eBattery Type\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e2 AAA batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eStandards\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eEN 61243-3; EN 61326-1; EN 61010-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli\u003eTesto 750-1 Digital Voltage Tester\u003c\/li\u003e\n\u003cli\u003e2 x AAA Batteries\u003c\/li\u003e\n\u003cli\u003eMeasuring tip protector\u003c\/li\u003e\n\u003cli\u003eMeasuring tip caps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eUsing It on the Job\u003c\/h2\u003e\n\u003col style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli\u003eAlways visually inspect the tester for any damage to leads or housing before use. Never use damaged electrical test equipment.\u003c\/li\u003e\n\u003cli\u003eVerify the tester's function on a known live source before testing a de-energised circuit. This ensures the unit is working correctly.\u003c\/li\u003e\n\u003cli\u003eUse the patented LED voltage bar for quick, clear readings, especially useful in varying light conditions or tight spaces.\u003c\/li\u003e\n\u003cli\u003ePerform phase sequence tests before wiring up three-phase motors to ensure correct rotation and prevent damage.\u003c\/li\u003e\n\u003cli\u003eAfter use, clean the tester as needed and store it in a protective case or bag to prevent damage and extend its lifespan.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eLimitations \u0026amp; Safety Notes\u003c\/h2\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli\u003eAlways confirm power isolation and lockout procedures before commencing any work on electrical systems.\u003c\/li\u003e\n\u003cli\u003eNot for use beyond the specified CAT IV 600V \/ CAT III 690V ratings. Adhere strictly to these limits.\u003c\/li\u003e\n\u003cli\u003eEnsure a valid test on a known live source is conducted both before and after testing a circuit.\u003c\/li\u003e\n\u003cli\u003eAlways follow Australian electrical safety standards and Safe Work guidance when working with electrical equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote style=\"border-left: 4px solid #007acc; background-color: #f9f9f9; font-style: italic; padding: 15px; margin: 20px 0;\"\u003eWhen you're trying to read voltage on a high-mounted outdoor unit in the harsh Australian sun, that all-around LED display on the Testo 750-1 makes a huge difference. No more squinting or trying to shade the display with your hand. It just works.\u003c\/blockquote\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003ePair With\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003ePair with a good quality multimeter and a set of insulated hand tools for a complete electrical service kit. Don't forget an impact-resistant transport case to keep your gear safe and organised in the van.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Automated FAQ Schema --\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What voltage range does the Testo 750-1 handle?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Testo 750-1 measures AC and DC voltage from 12V up to 690V, making it suitable for a wide range of electrical troubleshooting in HVAC systems.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Does this tester perform continuity and phase sequence tests?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, the Testo 750-1 includes both a continuity test and a phase sequence test. These features are essential for checking circuit integrity and verifying correct motor rotation in three-phase systems.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What safety category rating does the Testo 750-1 have?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This tester is rated for CAT IV 600 V and CAT III 690 V. This provides robust protection for working on various electrical installations, from distribution to appliance level.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"Testo","offers":[{"title":"Default Title","offer_id":43552839532603,"sku":"0590 7501","price":169.53,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0316\/7787\/4235\/files\/testo-750-1-voltage-tester-free-front.jpg?v=1779948379","url":"https:\/\/www.hvacshop.com.au\/products\/testo-750-1-digital-voltage-tester-0590-7501","provider":"HVAC Supply Shop","version":"1.0","type":"link"}