Specification Brand : Wisoqu BulletPoint1 : The meter is made of material, with long serving life BulletPoint2 : This meter is suitable for water heater, water treatment system BulletPoint3 : meter is Shock resistance, heat resistance, cold resistance, resistance, durability BulletPoint4 : Small size, and easy to install BulletPoint5 : This Hall sensor meter is used for liquid rate control IncludedComponents : No ItemName : Flowmeter,G1.5inch Meter,Water Treatment System Meter,5~150Lmin,for Liquid Rate Control ItemPackageDimensions_Height : 6 centimeters ItemPackageDimensions_Length : 9 centimeters ItemPackageDimensions_Width : 6 centimeters ItemTypeKeyword : science-lab-flowmeters Manufacturer : Wisoqu ModelName : Wisoqu4c9mt0g3nd ModelNumber : Wisoqu4c9mt0g3nd NumberOfItems : 1 PartNumber : Wisoqu4c9mt0g3nd ProductDescription : Specifications: Thread size: DN40 G1.5 Minimum rated working voltage: DC4.5v-12v Working voltage range: DC 4.5 ~ 12 V Load capacity: ≤10mA (DC 5V) Working temperature: ≤80℃ Humidity range: 35% ~90%RH (no frosting state) Water-pressure resistance: ≤1.75Mpa Working range: 5-150L/min Storage Temperature: -25~80℃ Storage humidity: 25%-95%RH Output pulse high level: >DC 4.5v (input voltage DC 5v) Output pulse low level: Accuracy ( -- pulse output): 10 ~ 300 L/min ±5% Output pulse duty ratio: 50±10% Output rise time: 0.04μS Output drop time: 0.18μS Fluid-pulse characteristic: Level test pulse frequency (Hz)=(0.5*Q) ±5%(horizontal test) (Q is L/min) Size: 9.3cm/3.66in Weight:146g