12-5, Water Level Sensor | Emerson Edition 4, 308014EN guide

Installation Manual

308014EN, Edition 4	Rosemount Tank Radar REX
May 2013	Chapter 12 Sensor Installation

12.2Water Level Sensor

The Water Level Sensor (WLS) measures the free water level below an oil surface. It outputs a 4-20 mA signal which is connected to the level gauge. The WLS can also be equipped with integrated Multiple Spot Temperature sensors. Up to six temperature sensors can be connected to a Rosemount TankRadar REX transmitter.

12.2.1Mechanical Installation

The WLS can be anchored by attaching a weight at the end of the sensor or by putting a weight on top of it. In the latter case the ring at the end of the probe can be removed in order to make sure that measurements are performed as close to the tank bottom as possible.

Nuts to adjust the sensor position

Max. filling level

350 mm

Weight

			20 mA level
			20 mA level
Active length (L)
Standard: 500 mm
Option: 1000/custom			Tank Zero Level
			4 mA level







	Recommended	distance:
	Recommended	distance:
	0.5 - 1.5 m

wls_installation.eps

Figure 12-7. Water Level Sensor with integrated temperature sensors.

12-5

308014EN, Edition 4 specifications

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Emerson Edition 4, 308014EN installation manual 12-5, Water Level Sensor, Mechanical Installation

Models: 308014EN Edition 4