Easy-to-read pressure gauge.The polycarbonate flow tube and outer cover are impact resistant and have maximum durability.The flowmeter adopts back pressure compensation to accurate readings when there is a pipeline limit.It is refined from high-quality 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: 0-25MPaRated output pressure: 0-25MPaRated flow rate: 0-200m3/hAmbient temperature: 0-30Dial diameter: 56mmColour:Photo ColorMaterial:Plastic + MetalThe color/appearance of the components of the product from batch to batch, but it will not affect the use; the appearance of the product from batch to batch, but it will not affect the usePackage Contents:1 x Flow MeterOnly 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.