Magnet-helix indicating mechanism ideal for low DP measurement A wide selection of ranges from 0Pa to 60Pa at up to 30KPa Accuracy 2% of FS Inertia-free, drift-free pointer indication Identical mounting dimensions to Model 2000 from Dwyer OEM solutions available The series A2 DP gauges are designed to measure positive, negative, or differential pressure of low air and non-corrosive gases with a full span accuracy of 2% at a competitive price. They are widely used for filter condition checks, HVAC control, and the measurement of fan and blower pressures, air velocity, and pressure drop across orifice plates applications, as well as other applications in the pharmaceutical and semiconductor manufacturing industry. Service: Air and non-combustible, compatible gases Ranges: See Range Selection Chart Accuracy: ¡À2% of full span at 21¡æ (¡À3% on A2-0.50IN, A2/Z-0.5IN, A2-10MM, A2-100Pa, A2-125Pa and ¡À4% on A2-0.25IN, A2-6MM, A2-60Pa ranges) Ambient Temperature: -7 ~ 60¡æ Pressure Limit: -68 ~ 100KPa Overpressure: Relief plug opens at approximately 15Psig (100KPa) Process Connections: 1/8" female NPT duplicate high and low pressure taps: one pair side and one pair back Case and Bezel Material: Die cast aluminum Weight: 460g Dial Size: 4" Diameter Mounting Position: Vertical Standard Accessories: Two 1/8" NPT plugs for duplicate pressure taps, two 1/8" pipe thread to rubber tubing adapter, and three flush mounting adapters with screws. Single one: 15*10*5CM. The gross weight for one is about 0.59KG. 24 pcs A2 will be packed in one carton box: 60*48*20CM, the gross wieght for one box is about 15KG.