A Leakwise system consists of a controller and one or more sensors.
The ID-225 sensor has a high-frequency transmitter mounted on a float that maintains its position precisely at the liquid/air interface, despite fluctuations in liquid level up to 45 m (150 ft.) variation, with 30 cm (12. In) minimum water level. Oil layer measurement is already linear at the sensor.
Leakwise ID-225 is available in two sub-models according to maximum measured oil layer thickness:
A single ID-225 sensor is controlled by the analog PS-220 Controller, which has two field-adjustable alarm points:
Controller relays are used for local and remote alarms and control, and a 4-20mA output indicates the oil thickness. Continuous built-in diagnostics monitor sensor operation. The SLC-220 digital controller handles up to four sensors. A stilling well is recommended for all ID-225 installations (available as an optional accessory).
Leakwise sensors use a high-frequency Electromagnetic Absorption technique. Each floating sensor houses high-frequency electromagnetic energy transmitting and receiving antennas that continuously monitor the liquid surface. Since water absorbs more electromagnetic energy than hydrocarbons, changes in the absorption rate of water indicate the presence or buildup of hydrocarbons. Leakwise sensors are used for detection and monitoring the buildup of separated or emulsified non-soluble hydrocarbons on water and other aqueous solutions. In addition, the sensors differentiate between a wet and a dry sump. No other oil monitoring system does this.