Refrigerating Pressure Gauge : (1)Diameter:1-1/2", 2", 2-1/2", 4" ( ... )Case & cover: SS304, Steel (3)Accuracy: 3-2-3% Refrigerating Pressure Gauge(1)Diameter: 1-1/2", 2", 2-1/2", 4 ... : psi, bar, Mpa, Kpa, kg/cm2, Hg single or dual scale or according to customers order.(10)Purposes: to lower the ... , used in, air-conditioning, refrigeratorCustomers brands and logos accepted. Refrigerating Pressure Gauge