Dimension: 120.65mm*55.6. Weight: About 560g. Connection: 1/8 female NPT high and low pressure connections (on the back) Accuracy: Full scale of 21℃ ±2%, ±3%, ±4% Appearance: Coated in dark grey. 1. LFB series is of precision casting Aluminum housing. 2. The magnetic spiral driving worm structure can eliminate friction from gear driving. 4. The pointer movement is without inertial forces or drifting interference. No essential hysteresis. 5. It’s with Excellent shock resistance and anti dithering performance. 6. Strong anti-overload ability. The gage can measure the positive pressure, negative pressure or differentia pressure. 7. There are more than 81 pressure ranges for selecting. Min pressure range 30pa. Max pressure range 0-100kpa. 8. Flexible installation. LFB series is widely used for measuring the fans or blowers pressure, filter resistant, wind speed, furnace gas pressure, Orifice pressure difference, bubble level and hydraulic system pressure. It is also applied to regulate the air-gas combustion ratio and automatic valve or detecting the breathing, and blood pressure in medical equipment. There are some more applications like micro-electronics,aviaiton and space,environmental protection project, biological engineering, intelligent building, HVAC, food and beverage and precision electronic processing.1. Excellent anti-vibration, anti-jitter performance.2. Excellent resistance to pressure overload, measurable, positive, negative or differential pressure.3.Free and Flexible installation.4. Has a simple structure, small size, low power consumption and high precision, suitable for almost all application areas.5. The instrument using a larger pressure by explosion-proof membrane and diaphragm connected overvoltage protection.