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HLS

Level Sensor (HLS)

The HLS level sensor is an overfill prevention switch which is compatible with all EVO™ 550 and EVO™ 5000 fuel management system ATGs. This sensor is also compatible with S940 Sensor Alarm Console. It may be adjusted to operate over a wide range of levels. The HLS is based on float-switch technology and is made of chemical-resistant materials to assure compatibility with most liquids. Each sensor is supplied with jacketed cable five feet in length. The HLS’s normally closed output circuit provides supervised operation, ensuring that
broken wires and similar failures will not go undetected.
The HLS sensor is installed in a 2″ NPT fitting on the tank. The level at which it operates may be adjusted by loosening a fitting and moving the sensor’s shaft in or out of the tank as required.

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Description

features

Highlights

Specs

Application

Overfill protection switch.

Theory of Operation

The secret to the HLS sensor’s reliability is its float switch technology. A small magnetically-activated read switch is located inside the body of the sensor. Tiny magnets are positioned inside a lightweight float which is free to move up and down along the shaft so that the magnets are below the read switch. When the sensor is immersed in liquid, the float rises and the magnet activates the read switch, signaling the ATG that the high limit has been reached.

Installation

The HLS sensor is installed in a 2″ NPT fitting on the tank. The level at which it operates may be adjusted by loosening a fitting and moving the sensor’s shaft in or out of the tank as required.

Order Info

Model Description
TSP-HLS-15 High product level sensor, 15″ long, installed in tank (EVO™ 550 and EVO™ 5000)
TSP-HLS-15/SS High product level sensor, stainless steel 15″ long, installed in tanks containing alternative fuels (EVO™ 550 and EVO™ 5000)
TSP-HLS-30 High product level sensor, 30″ long, installed in tank (EVO™ 550 and EVO™ 5000)
TSP-HLS-30/SS High product level sensor, stainless steel 30″ long, installed in tanks containing alternative fuels (EVO™ 550 and EVO™ 5000)
  • Note: This sensor communicates with the ATG using 2 wires.

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Standard
TS-LS500
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Density
Flexible Inventory
TS-1001
DTS

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