Application
Designed to measure the level of liquid non-crystallizing media (including petroleum products and LPG) and convert it into a unified current signal of 4-20 mA.
It has additional outputs in the form of magnetically controlled contacts that close when the lower and (or) upper measurement limits are reached.
It is used in automation systems for oil, gas, chemical, food, municipal and other industries
Main objects of operation:
Gas stations, tank farms, oil refineries and other hazardous production facilities that require the use of explosion-proof equipment for the automation system of the food and chemical industries, utilities
Peculiarities
- magnetically controlled contacts switching when the upper and (or) lower level limit is reached
- anti-vandal housing made of aluminum alloy or stainless steel
- explosion-proof execution
- inverse version for installation in the bottom of the tank
- simple application and commissioning
- transport version for mobile tanks, including sea and river vessels
- a large selection of devices for fastening the protective sheaths of the cable (metal hoses, armored cables, pipes).
Description
The case is made of aluminum alloy AK7ch with an oxide fluoride electrically conductive coating, painted with powder paint (on request - from corrosion-resistant steels 12Kh18N9TL, 12Kh18N10T). It has external and internal ground clamps, one or two cable entries. On request, it is completed with devices for fastening the protective sheath of cables of various types. Inside the housing there is an electronic board with terminals for connection, access to which is carried out through a removable cover.
Mounting to the tank is made in accordance with the wishes of the customer.
In the guide, made of corrosion-resistant steel 12X18H10T, an electronic board with magnetically sensitive contacts (reed switches) is installed. The float with a magnet moves freely along the guide along with the changing level of the medium, closing the reed switches.
Continuity of measurement with a step of 5 mm is achieved by installing reed switches in a row and connecting them through resistors according to the circuit of a resistive voltage divider, the circuits of which are connected to the control unit board.
