Sor Single Point Ultrasonic Level Switch Manual de usuario descargar pdf (Pagina 6)

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Form 841 (08.13) ©SOR Inc.

Calibration and Functional Test

Units in Hazardous Locations — Prior to calibration, make sure that the

work area is declassi ed before removing the explosion proof cover to

calibrate the unit. Failure to do so could result in severe personal injury or

substantial property damage.

No calibration is needed. Units are

calibrated at the factory. No user

adjustments are required.

Functional test may be done with or

without a current meter. See

for

wiring configuration. See Figure 8 for

component location.



Connect power to the circuit board

as shown in



With a dry sensor, move the Wet

Probe Switch (see

) to 8mA

position. The red LED will light.

The current meter will read l6mA

(±1 mA).

Wet Probe Switch

Yellow

LED

8mA

16mA

Red LED 16mA

J1 Receive

Jack

J2 Transmit Jack



Apply process liquid to the sensor. The red LED will turn off, and the

yellow LED will light. The current meter will read 8mA (±1 mA).



With liquid still applied to the sensor, move the Wet Probe Switch to the 16mA

position. The yellow LED will turn off, and the red LED will light. The current meter

will read 16mA (±1 mA).



Remove the liquid from the sensor. The red LED will turn off, and the yellow LED will

light. The current meter will read 8mA (±1 mA).

Delay Timer Operation (DT accessory)

Current Output Chart

Yellow

LED (Dry)

Red LED

(Wet)

Current Meter

(+ 1mA)

Sensor Status

Wet Probe

Switch Position



8mA Wet 8mA



16mA Dry 8mA



16mA Wet 16mA



8mA Dry 16mA



 LED On



 LED Off

1 2 3 4 5 6 7 8 9 10 11 ... 15 16

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Sor Single Point Ultrasonic Level Switch Manual de usuario Pagina 6

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