<h3>Key features</h3><ul> <li>Advanced Functionality:The digital pressure gauge can measure double pressure at the same time, as well as dual temperature measurement, superheat and subcooling calculation. Also it tests percentage of vacuum measurement, pressure leak measurement, leak time speed record</li> <li>Precision and Versatility: Equipped with a 32-bit digital processor and a high-accuracy data acquisition system, this HVAC gauge delivers precise readings and exceptional reliability.</li> <li>Smart Display Features: The hvac manifold gauge set features an LCD with backlight, supports multiple pressure unit conversions, and allows temperature readings in both Celsius and Fahrenheit. This makes it an essential tool for professional AC technicians and automotive mechanics.</li> <li>Robust 3000 Psi Air Hose: Enhances sealing efficiency with its soft, durable, flexible, and kink-resistant design, ensuring longevity and consistent performance for your refrigerant gauges.</li> <li>Enhanced Dual-Color Temperature Clamp for your manifold gauge set: Streamlines operations by easily identifying high and low-pressure temperatures and features reinforced jaws for secure pipe gripping. Suitable for temperatures ranging from -40°F to 302°F.</li> <li>The hvac gauges digital supports 93 types of refrigerants: R11, R13, R22, R401C, R407C, R411B, R419A, R425A, R501, R717, R113, R134A, R227EA, R402A, R407D, R412A, R420A, R426A, R502, R744(Co2), R114, R14, R23, R402B, R407E, R413A, R421A, R427A, R503, R1234, R115, R116, R12, R123, R124, R125, R1270, R141B, R236EA, R403A, R408A, R414A, R421B, R428A, R504, R142B, R245CA, R403B, R409A, R414B, R422A, R438A, R507A, R143A, R245FA, R404A, R409B, R415A, R422B, R448A, R508A, R152A, R290, R405A, R41, R415B, R422C, R449A, R508B, R170, R32, R406A, R410A, R416A, R422D, R452A, R509A, R21, R401A, R407A, R410B, R417A, R423A, R50, R600, R218, R401B, R407B, R411A, R418A, R424A, R500, R600A</li> </ul><p>Free shipping on orders $50+. 30-day hassle-free returns.</p>