Metal Fully Automatic Rain Gauge, Feature : Accuracy, Measure Fast Reading, Perfect Strength, Robust Construction

this natural syphon type recording rain gauge is designed to give a continuous record of rainfall. It is generally used in conjunction with an ordinary rain gauge (non-recording type) exposed close by rainwater enters the gauge at the top of the cover and is carried through the funnel to float chamber provided with afloat. The recording pen is mounted on the stem of the float. As the water level rises in the receiver, the float rises and the pen records rain on a chart placed on a clock drum which revolves once in 24 hours. The recording mechanism is mounted on the base and the base cover is provided with a gunmetal rim of about 203 mm. Dia. The funnel lifts of the base and carries hasp which is engaged with a staple on the base and padlocked. An angle iron piece with foundation bolt is provided for anchoring the rain gauge base to the ground.

the dimensions of the base, collector, funnel, float chamber, float etc.