Features:1.Insert the hose into the instrument, and place the two ends of the hose at the position to be measured.2.Turn on and use according to the above instructions.3.There is a metal connector, which can be screwed in and fixed when measuring pipes and other places that are not easy to measure to ensure the accuracy of the measurement4.It can measure a variety of instruments with high accuracy5.100%brands new, if you have any questions, please contact usNotice:Actual color may be slightly different from the image due to different monitor and light effectPlease allow 1-3cm deviation due to manual measurementDescription:1.Accuracy: 0.3%FS2.Linearity/hysteresis: 0.1% FS of full scale3.Pressure range: 2Psi4.Maximum pressure limits: 10Psi5.Repeatability: 0.25%FS6.Pressure connection: two 1/8 (3.18mm) quick connectors7.Working temperature: 0~408.Storage temperature range: -10~609.Over-range prompt: ERR1 or ERR210.Power supply: 9V battery11.Weight: 178 grams12.Size: 160*54.3*34 cm