Features： 1、11 Units: Digital differential pressure gauge has 11 selectable units of measurement, mmHg, inHg, ftH₂O, cmH₂O, inH₂O, KPa, mbar, bar, psi, Kgcm² and ozin². 2、Pressure Sensor: Differential pressure gauge adopts high accuracy pressure sensor, high sensitivity, fast measurement. 48 sets of measurement data can be recorded. 3、High Strength ABS Shell: The shell of the differential meter is made of excellent ABS material, which has high strength and long lasting durability. 4、Portable Gauge: Digital differential pressure gauge is small and compact, easy to store and carry, convenient to use when going out to work. 5、Application: For the auto repair industry to detect intake manifold vacuum, test the brake vacuum pump, exhaust pipe, waste valve, crankcase, gas pipe, air conditioning ventilation system and more. Specification： Item Type: Digital Manometer Material: ABS + Metal Pressure Range: ±2.413bar Unit: mmHg, inHg, ftH₂O, cmH₂O, inH₂O, KPa, mbar, bar, psi, Kgcm² and ozin² Accuracy: ±0.3% FS Linearity or Hysteresis: ±0.1%FS Maximum Pressure Limit: 241.3kpa(Exceeding the range will damage the product) Repeatability Error: ±0.25%FS Pressure Connector: 1 x 1/8in (3.18 mm) quick connector Working Temperature: 0℃ - 40℃ Storage Temperature Range: -10℃ - 60℃ Over Range Prompt: Er(Please stop using when this prompt appears, over range will damage the product.) Battery Model: 9V 6F22 (not included battery) Applicable: For the auto repair industry to detect intake manifold vacuum, test the brake vacuum pump, exhaust pipe, waste valve, crankcase, gas pipe, air conditioning ventilation system and other components of the pressure. Package List： 1 x Digital Manometer 1 x Hose 1 x Rubber Head 1 x Metal Adapter 1 x Manual 1 x Storage Box