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LevelCheck – filling level indicator
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1 = Ultrasound measuring head
2 = LED light (torch)
3 = Status LED (red / green / orange)
4 = On / off button for LED light
5 = Openings for wrist strap
(not included in the delivery)
6 = Battery compartment
7 = Screw for battery compartment
Intended use
LevelCheck is a mobile filling level indicator for all
(propane / butane – LPG) steel or aluminium gas
cylinders with a diameter of 200 to 350 mm. The
device recognises whether there is liquid in the
cylinder at the measuring point and indicates this.
Important notes
A gas cylinder is filled with max. 80 % of its vol-
ume. The resulting filling level of a full cylinder
changes depending on the gas mixture (ration of
propane / butane) and the temperature.
The device is not suitable for plastic gas cylinders,
tank gas cylinders that can be filled, gas tanks or
butane gas cylinders (camping gas).
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To ensure reliable measurements, the
measuring head needs to be cleaned
with a damp cloth (without a detergent)
every time before use.
A soiled measuring head can lead to inaccurate
measurements. Aluminium cylinders, in particu-
lar, transfer dust particles that can impact on the
measuring process.
Soiled or rusty gas cylinders are usually difficult
to measure. The measuring process can also be
impeded by the following:
− an invisible area of rust inside the gas cylinder
− a very thick coat of paint on the outside of the
gas cylinder
− stickers on the outside of the gas cylinder
− (icy) condensation on the outside of the gas
cylinder
− indentations or severely scratched gas cylinders
Cleaning the gas cylinder or taking the measure-
ment at a different point is usually successful.
Determine the filling level
Determine the filling level by taking several indi-
vidual measurements at various heights on the
gas cylinder (from the bottom to the top).
Do not drag the device along the gas
cylinder.
A measurement is started by the pressing the
measuring head (1) horizontally onto the gas
cylinder (confirmed by a beeping sound).