Easy-to-read pressure gauge. The polycarbonate flow tube and outer cover are impact and have maximum durability. The flowmeter adopts back pressure compensation to accurate readings when there is a pipeline limit. It is refined from materials, has a compact structure and good sealing. Perfect metal body, stable voltage regulation, firm and reliable. Large handle switch, non-slip design, more labor-saving. Applicable gas: Measurement range: 0-25MPa Rated output pressure: 0-25MPa Rated flow rate: 0-200m3/h Ambient temperature: 0-30℃ Dial diameter: 56mm Colour:Photo Color Material:Plastic and Metal The color/appearance of the components of the product from batch to batch, but it not affect the use; the appearance of the product from batch to batch, but it not affect the use Package Contents: 1 x Flow Meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.