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Signal Threshold Adjustment (SENS)
During calibration and installation, the signal threshold adjustment (refer to Figure 5),
should be set to the full (CW) position. This adjustment should only be changed if there
is a high noise level on the input, which is causing a false output reading with no flow.
Slowly adjust the pot marked “SENS” CCW until the output returns to a zero reading
with no flow or input. Note: The transmitter will not operate with the SENS pot in the
full CCW position.
Calibration - FLSC-45
Equipment Required
1. 12-32 Vdc power supply (24 Vdc nominal)
2. Sinusoidal Frequency Generator
3. Milliamp/Voltmeter
4. Small common screwdriver (jeweler’s)
5. Small Phillips screwdriver
4
FLSC-45/45B Paddlewheel Signal Conditioner
Figure 3C. New FLSC-45 Wiring
Figure 4A. FLSC-45 Side View
Figure 4B. FLSC-45B
THRESHOLD ADJUSTMENT
(SENS ADJUST)
P3
1 2 3 4 5 6 7
8
1 2 3 4 5 6 7
8
SENSOR INPUT
~
POWER
SUPPLY
24 Vdc
+
–
4.00
MILLIAMP METER
+
MA
–
SENSOR INPUT
~
24 Vdc
SUPPLY
POWER
+
–
1.00
VOLT METER
+
V
–