Feature:1. Pressure Dial: Able to measure positive pressure, negative pressure and differential pressure, this gauge is very reliable.2. Clear Viewing: The transparent cover enables a clear view on the pointer and scale, which will largely facilitate the work.3. Practical Use: For microelectronics, aerospace, environmental engineering, bioengineering, intelligent buildings and so on.4. High Accuracy: Ensuring full scale ±2%, ±3%, ±4% high accuracy, the differential pressure gauge is very durable for using.5. Good Material: Adopting high quality aluminium material, the light weight and compact pressure gauge is easy to install.Specification:Item Type: Differential Pressure GaugeMaterial: AluminiumColour: GreyInterface: 1/8in female thread normal temperature and normal pressure high and low pressure dual interface, on the back. Accuracy: 21℃ full scale ±2%, ±3%, ±4%. Temperature Range: -7℃ to 60℃Application: For microelectronics, aerospace, environmental engineering, bioengineering, intelligent buildings, HVAC, food and beverage, accuracy electronic processing and other application fields. .Package List:1 x Differential Pressure Gauge3 x Installation Screw2 x 1/8 NPT Hole Plug2 x 1/8 Bard Connector4 x Coupler4 x Slot ScrewNote:Please allow a small error of 1‑2cm in the manual measurement.