Specification Brand : YOUNAFEN BulletPoint1 : Selectable pressure range: ±2.999psi; Accuracy: ±0.3%FSO (at 25°C) ; Repeatability: ±0.2% ±0.5%FSO); Linearity/Hysteresis: ±0.29%FSO. BulletPoint2 : / minimum record function; Data save function,can store 100 groups of data. BulletPoint3 : Input that can test / measure the differential pressure with its provided twin input probes. BulletPoint4 : 11 Selectable Units of Measure (kPa, Kgfcm2, Ozin2, mbar, mmHg, InH2O, FtH2O, Pa). BulletPoint5 : for Ideal tools for measuring the air pressure of a single the differential pressure of two pipes, ventilation, air condition systems, pressure system, Color : One Color ExternallyAssignedProductIdentifier : 7618032411836 ItemName : YOUNAFEN Professional Dual-Port Manometer with Backlight Handheld HVAC Pressure Meter Differential Pressure Gauge Large LCD Air Pressure Meter HVAC Air Pressure Meter Digital ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : manometers Manufacturer : YOUNAFEN Material : Stainless Steel ModelName : CekoCk ModelNumber : CekoCk NumberOfItems : 1 PartNumber : YOUNAFEN ProductDescription : Professional Dual-Port Manometer with Backlight Handheld HVAC Pressure Meter Differential Pressure Gauge Large LCD air pressure meter hvac air pressure meter digital Features: Selectable pressure range: ±2.999psi; Accuracy: ±0.3%FSO (at 25°C) ; Repeatability: ±0.2% ±0.5%FSO); Linearity/Hysteresis: ±0.29 FSO Input that can test / measure the differential pressure with its provided twin input probes. 11 Selectable Units of Measure (kPa, Kgfcm2, Ozin2, mbar, mmHg, InH2O, FtH2O, Pa / minimum record function; Data save function,can store 100 groups of data. for Ideal tools for measuring the air pressure of a single the differential pressure of two pipes, ventilation, air condition systems, pressure system,