{"product_id":"testo-digital-manifold-gauge-kit-for-hvac-550s-bluetooth-with-2-wired-clamp-probes-superheat-subcooling","title":"Testo digital manifold gauge kit for HVAC — 550s Bluetooth with 2 wired clamp probes, superheat\/subcooling","description":"\u003cp\u003e\u003cstrong\u003eThe Testo 550s is a professional-grade digital manifold gauge kit that measures pressure and temperature, calculates superheat and subcooling, and transmits data via Bluetooth for efficient HVAC and refrigeration diagnostics.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eCompact and rugged, the Testo 550s combines high-precision sensors with wireless connectivity to speed up on-site troubleshooting and reporting. It pairs the accuracy HVAC technicians expect—wide pressure and temperature ranges, tight tolerances—with the convenience of data transfer to the Testo Smart App. The unit supports a broad selection of refrigerants, including modern A2L types, and is designed for daily use in demanding environments.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the Testo 550s measure pressure and temperature accurately?\u003c\/h3\u003e\n\u003cp\u003eThe 550s uses calibrated pressure sensors and temperature probes to deliver reliable readings across a broad span. Pressure accuracy is rated at ±0.5% of full scale and temperature accuracy at ±0.5 °C (±0.9 °F), so measurements are consistent for system diagnostics and documentation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePressure range: -15 to 870 psi (-1 to 60 bar) for low and high-side readings\u003c\/li\u003e\n  \u003cli\u003eTemperature range: -58° to 302°F (-50 to +150°C)\u003c\/li\u003e\n  \u003cli\u003eAccuracy: ±0.5% full-scale pressure; ±0.5 °C temperature\u003c\/li\u003e\n  \u003cli\u003eIP54 protection for jobsite durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat workflow advantages does Bluetooth and the Testo Smart App provide?\u003c\/h3\u003e\n\u003cp\u003eBluetooth connectivity streams live measurements to the Testo Smart App, enabling remote viewing, calculation, and report creation without returning to the truck. This reduces manual transcription errors and lets you save or share standardized service reports directly from the field.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWireless data transfer to smartphone or tablet\u003c\/li\u003e\n  \u003cli\u003eAutomatic superheat and subcooling calculations in-app\u003c\/li\u003e\n  \u003cli\u003eGenerate, store, and export measurement reports on-site\u003c\/li\u003e\n  \u003cli\u003eRemote operation of measurements for safer, more convenient checks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich accessories and refrigerants are supported with this kit?\u003c\/h3\u003e\n\u003cp\u003eThe 550s kit is available with a selection of probes and adapters tailored to HVAC, refrigeration, and heat pump work. It supports most common refrigerants and is compatible with A2L refrigerants, helping you stay current with industry changes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes two wired temperature clamp probes (kit-dependent accessories may vary)\u003c\/li\u003e\n  \u003cli\u003eOptional vacuum measurement and protective case depending on configuration\u003c\/li\u003e\n  \u003cli\u003eWorks with a wide refrigerant library including A2L types\u003c\/li\u003e\n  \u003cli\u003eBuilt-in calculations for superheat and subcooling specific to refrigerant selected\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and portable is the Testo 550s for daily field use?\u003c\/h3\u003e\n\u003cp\u003eThe 550s is designed for technicians who move between sites: compact dimensions and a rugged casing make it easy to carry while an IP54 rating offers protection from dust and splashes. At roughly 826 g, it balances portability with a robust feel suited to workshop and jobsite environments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDimensions: 210 x 121 x 60 mm (8.27 x 4.76 x 2.36 in)\u003c\/li\u003e\n  \u003cli\u003eWeight: about 29.14 oz (826 g) for handheld convenience\u003c\/li\u003e\n  \u003cli\u003eOperating temperature: -4° to 122°F (-20 to +50°C) for varied climates\u003c\/li\u003e\n  \u003cli\u003eIP54 splash and dust protection for everyday field durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The Testo 550s is built for HVAC technicians, refrigeration specialists, service contractors, and facilities maintenance teams who need precise, traceable measurements with fast reporting. If you perform regular charging, leak checks, or system optimization on air conditioning, refrigeration systems, or heat pumps—and value digital documentation and compatibility with modern refrigerants—the 550s provides a compact, connected solution to streamline field diagnostics and reporting.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the Testo 550s support A2L refrigerants?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The Testo 550s supports a broad refrigerant library including A2L refrigerants for current HVAC service requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I send measurement reports from the field?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Bluetooth pairs with the Testo Smart App to create, store, and export reports directly from the jobsite.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Testo","offers":[{"title":"Default Title","offer_id":55172699095383,"sku":"B08TY6JH9M","price":499.38,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/testo-550s-front-display.jpg?v=1790455005","url":"https:\/\/britishgarage.co.uk\/products\/testo-digital-manifold-gauge-kit-for-hvac-550s-bluetooth-with-2-wired-clamp-probes-superheat-subcooling","provider":"British Garage","version":"1.0","type":"link"}