The Hongsen HS-D5300 is a versatile digital pressure gauge designed for professionals working with air conditioning and refrigeration systems. It offers precise pressure and temperature measurements across a wide range of refrigerants, making it an essential tool for installation, maintenance, and diagnostic tasks.​ https://www.industrywaala.com/product/hongsen-hs-d5300-single-digital-manifold-refrigerants-quantity-1