MDCLS Series - Digital Camera Level Sensors
Precise Measurement of Liquid Level
The MDCLS Digital Camera Level Sensors are compact units with integrated optics and signal processor for precise measurement of the molten liquid level in Launders, Head Boxes, and Casters in the Aluminium and Non-Ferrous industry.
A focused Class II red laser sport is illuminated on the liquid surface and the image distance is determined by the internal CCD camera. LEDs clearly indicate when the object is at centre of measuring range or at limit of measuring.
Installation software is provided for connection to a PC for display of measured values and programming the device. Measurement of data is via both RS232 (RS422 available) and 4-20mA analogue output at a measuring frequency of 1000 measurements per second.
The MDCLS Digital Camera Level Sensor Unit is housed for protection in a secondary robust stainless enclosure to give total protection as well as being provided with an Air Inlet venting as Air Purge out of a protective nozzle. This also enables replacement of the camera without disturbing the mounting configuration. The connection cable is also encased in a stainless flexible conduit to protect it from hot metal splash. A robust plug is provided with a mating socket for the laser to be implemented on-site.
MDCLS Digital Camera Level Sensors are established to be the ideal replacement for ultrasonic, radar or mechanical float level control as non-contact sensors that need little maintenance and maintain constant accuracy.
All MDCLS Digital Camera Level Sensor models are provided with a programming functionality. Group Mode is recommended as running average is calculated over a user specified number of measuring points before outputting the calculated average value.
The average values are calculated at full measuring frequency and are used for conveying the analogue signal. Several other software filters are available to ensure robust measurement values are provided at all times.
The MDCLS Digital Camera Level Sensors connect to 24VDC and are provided with either an RS232 or RS422 output as well as a 4-20mA analogue output. They measure the molten level to ±0.5mm over a 300mm working range from 400mm clearance distance. Many other models are available with greater clearances and measuring ranges.
Long-term reliable precise level control is essential on Launders and Head Boxes as in use throughout the typical casting plant. With this in mind, these Level Sensors incorporate digital alarms confirming level measurement is being transmitted and the internal Sensor temperature is within limits.
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Typical Applications:
- Level control of the Launder and Head Boxes
- Non-Ferrous Casting Lines
- In the Non-Ferrous Foundry
Typical Uses:
- Aluminium Casting Industry
- Die Cast Aluminium Moulders
- Lead and Copper Foundries