Air-purge Type Tank Level Gauge
Air-purge Type Tank Level Gauge

RONGDE is the best Air-purge Type Tank Level Gauge manufacturer in China. Offering quality product to global customers

Working Principle

Based on he measuring the hydrostatic head of the liquid by providing constant air into a probe (called as sounding pipe) which opens at the tank bottom. When a light quantity of air(supplied from flow regulator) is discharged through the purge mouth at the tank bottom. An air pressure corresponding to the liquid level will be built up in the sounding pipe.


If the specific gravity of the liquid is known and a pressure in the sounding pipe is measured, it is possible to calculate the distance from the pipe opening to the surface by means of the above expression. The pressure is read on the indicator graduated scale in meters or volume or percent of full tank.



Tech. Spec.

Range: 0~6m,0~10m,0~25m                            Gas consumption: 10L/H each point

Accuracy: ±1.5%FS                                            Ambient temperature: -25℃~+60℃

Blind zone: 100mm                                             Control box mounting: wall mounting type

Air source pressure: 0.6~0.7MPa                           Sounding pipe:Φ6×1, Φ8×1, Φ10×1.5

Working pressure: 0.3MPa


Characteristic

- Continous measuring tank level

- Sounding pipe flushing

- Simple structure, excellent price, easy to use

- Indicate with special low range bourdon tube

- Install in hazardous area without power

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