The DOCIL C 400 probe operation is based on :
The LARCO optical sensor : DOCIL SENSOR
Detects the hydrocarbons whether or not water is present
Very simple test. Simply plunge the float into a bucket of water making sure that the optical sensor is immersed.
Simple wiring :
A single one-pair cable is necessary to connect the detector to the processing cabinet.
LARCO offers various models of liquid hydrocarbon detectors to suit the various installation conditions (settling tank, retention tank, etc.) and requirements of its customers
The DOCIL C HK detector operation is based on the principle of buoyant force
A DOCIL optical sensor is fixed to a float designed to include the following properties :
- The float density and shape make it sink far more into the hydrocarbon than into water
- This therefore means that no unwanted alarm will be tripped due to the presence of water
- In addition, this guarantees that an alarm will be tripped in the presence of hydrocarbon, whether or not water is present
The DOCIL sensor comprises a glass cone and an electronic circuit with, among other things, an infrared luminous signal transmitter and a receiver.
The DOCIL sensor works on the optical reflection/refraction principle.
DOCIL sensor characteristics
- Accuracy: 0.1 mm
- Response time: 1 ms
- This sensor is ATEX certified
When the glass cone is not immersed in the liquid, the optical signal is reflected entirely towards the transmitter :
Conversely, when the cone is immersed in a liquid (hydrocarbon), the luminous signal is refracted and the receiver no longer receives the signal, thereby triggering an alarm :
Caractéristiques du produit à détecter (origine, densité, couleur)
Lieu de la détection souhaitée ( pomperie, cuvette….)
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