810-0005-D01 Datasheet, PDF (9/16 Pages) Magnetrol International, Inc. – Kotron® Model 810 RF Point Level Sensor

2.6 Calibration
Caution: In hazardous areas, do not remove housing cover until
power is disconnected and atmosphere os determined to
be safe. Hazardous environments must be declared safe by
the local safety authority.
2.6.1 Calibration Procedure
1. Turn on power to the instrument.
2. Remove housing cover.
3. Set point location:
a. Conductive media: The set point is located at the tip of
the probe. Calibration is not required for most conduc-
tive liquids. If the unit does not switch on alarm test,
then proceed to Step 4.
b. Non-conductive media: The set point is located on the
probe at a point determined by the set point adjust-
ment. Minimum probe coverage is 4 inches (100 mm).
Calibration is required. Proceed to Step 4.
4. The LED shows the status of the relay coil:
LED on = relay energized
LED off = relay de-energized
5. Initial Settings
a. Turn the LEVEL control (R4) clockwise a full twenty
turns or until a ratcheting sound is heard.
b. Set the DIP switch with positions 1 and 2 ON.
c. Turn the TIMER control (R9) fully counterclockwise.
d. Note that if DIP switch positions 3 and 4 are both ON
the LED will remain on. Set DIP switches based on the
following information:
2.6.2 Calibration Conditions
Complete calibration by utilizing the following conditions
that best suits your application:
1. Fail-safe Low—
a. Set DIP switch position 3 ON and position 4 OFF.
b. Turn the LEVEL control counterclockwise until the
LED turns on.
c. Turn the LEVEL control clockwise until the LED
turns off.
d. If media is on probe, slowly turn the LEVEL control
counterclockwise until the LED comes on.
50-607 Kotron Model 810 RF Point Level Sensor
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