Global Water WL705 Käyttöohje

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WL705 Ultrasonic Water Level Sensor

01-313 5/4/12.doc

Specifications:

Sensor Range:WL705-0034” (.33’) - 36” (3’)

WL705-0124” (.33’) - 144” (12’)

WL705-04815” (1.25’)- 576” (48’)

Supply Voltage:10-30VDC (sensitivity reduced below 15 VDC)

Supply Current:40mA

Averaging Time:15 seconds

Temperature:-40º to +158º F Output Current:

4mA, maximum distance

20mA, minimum distance

Connections:Brown+15-30VDC

BlueGround

Green4-20mA output (WL705-048)

Black 4-20mA output (WL705-012 & WL705-003)

Operation:

The WL705 sensors use ultrasonic sound waves to determine the distance from the face of the sensor

to the surface of the water by timing how long it takes the signal to return. An internal temperature

sensor automatically compensates for the temperature related variation in the speed of sound and a 15-

second averaging time reduces the affects of turbulence in the water. Note that the sensor must be

powered for 15 seconds for the output to stabilize.

WL705

-012/003

WL705

-048

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