FOSHIO FT168 Digital Manometer Air Pressure Meter HVAC Gas Pressure Tester with Large LCD Display

Specification: This manometer can be used to help you carry out quick and easy filter checks when performing differential pressure checks on ventilation and air conditioning systems. Differential pressure measurements are carried out to determine whether filters still work properly or whether they are used up and clogged and need to be replaced. Measuring Range: ±20.68 kPa / ±2.999 psi Accuracy: ±0.3% FSO (at 25 OC) Repeatability: ±0.2% (MAX±0.5%FSO) Linearity / Hysteresis: ±0.29%FSO Response Time: 0.5Seconds Over Range Indicate Memory data store (100 datas) Battery type: 6F22/9V (not include) Package include: 1x manometer 2x Soft Tubes 1x manometer protective bag 1x Barb access fitting 1x instruction Manual