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4.
Press the
MODE
button. When depressed, the
RUN
indicator will turn off and the
CH 1
indicator will start
flashing
. The Signal Conditioner is ready to begin the setup.
5.
Place the probe in the fluid to be used as the High set point, making sure the signal is
stable by observing the dBm display, it may be necessary to agitate the probe in the fluid
to make sure the sensor is properly wetted. When the signal is stable record the voltage
and next press the up
▲
or down
▼
arrows to select the desired output current shown
on the 4-20 mA display, example: 16 mA for Diesel.
6.
When the correct current value is reached, press the
SET
button. When the button is
pressed the
ST
indicator will flash indicating the value was set.
7.
Press
MODE
button and the
CH 1
indicator will turn on
solid
.
8.
Place the probe in the fluid determined for the Low set point, making sure the signal is
stable by observing the dBm display. When the signal is stable record the voltage and
next press the up
▲
or down
▼
arrows to select the desired output current shown on the
4-20 mA display selected for the fluid being used, example being 8 mA for Gasoline.
9.
When the current is set press the
SET
button. When the button is pressed the
ST
indica-
tor will flash indicating the value was set.
10.
Press
MODE
button and the
CH 1
indicator will turn off and the
RUN
indicator will turn
green
.
11.
Check the Current indicator and the value should be reading 8 mA. Insert the probe in
the Diesel and the indicator should read 16 mA. If the values are not correct repeat the
above steps again.
This is a preliminary calibration because the values can be different with the fluid under
pressure in the pipeline and the refractive index may change between different batches.
Install the probe in the pipeline following the instructions in Chapter 3. Make sure accurate
insertion measurements are made because once the Swagelok fitting is tightened, the set-
ting is
permanent
. View the mA display and determine if the reading is correct.
Example: Gasoline is in the pipeline and the mA reading is 7.4 mA. A low calibration can be
performed at this time to correct the reading to 8 mA.
1. Press the
MODE
button and the
RUN
indicator will go off and the
CH 1
indicator will start
flashing
. Press the
MODE
button the second time and the
CH 1
indicator will remain
steady
. The Signal Conditioner is ready for the Low setup to be performed. Using the up
▲
and down
▼
arrows, set the Current for 8 mA and press
SET
. The Low value has
been reset for the gasoline under pressure in the Pipeline.
2. Press the
MODE
button again and the
RUN
indicator will turn green and the current dis-
play should be indicating 8 mA.
Содержание FuelCheck
Страница 1: ...F FU UE EL LC CH HE EC CK K...
Страница 23: ...22 11 2 19 4 42 7 29 4 10 0 0 Figure 31 FuelCheck Control front view Figure 32 FuelCheck Controller inside view...
Страница 24: ...23 19 5 11 5 6 0 2 25 2 5 Figure 33 FuelCheck Controller mounting dimensions...
Страница 34: ...33...
Страница 35: ...34 APPENDICES...
Страница 36: ...35 APPENDIX A Warranty and Disclaimer...