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854 sprayer control, Flow.sensor.minimum.flow. capacity – TeeJet 854 Sprayer Control User Manual

Page 24

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854 Sprayer Control

• After the known volume has been sprayed, turn

the Master Switch “Off” to stop counting pulses.

Figure 4-15: Automatic Calibration (continued)

CAL

3856

56

• Press the PROGRAM key. The console will

request what volume was sprayed.

• Use the PLUS and MINUS keys to adjust

the value to match the volume sprayed in

gallons/liters.

• Press the PROGRAM key to return to the

programming mode.

• The console will display the new flow meter

calibration number.

• To accept the value, press the PROGRAM

key to advance to the next step.

• To repeat the calibration procedure, refer to the

previous steps.

NOTE: A volume of at least 50 gallons (200 liters)

should be sprayed during the calibration.

The more volume used for calibration, the

more accurate the flow meter will be.

Figure 4-16: Automatic Calibration (continued)

1000

6AL

Vol

Flow.Sensor.Minimum.Flow.

Capacity

NOTE: This step may not appear if the console was

not previously programmed for use with a

pressure sensor.

When both a pressure sensor and flow sensor are

installed, the 854 determines when the flow rate has

dropped below the capacity of the flow meter being

used and automatically switches to pressure-based

regulation. When the flow rate once again reaches

an acceptable level for the flow meter to regulate,

the 854 automatically switches back to flow-based

regulation.

• Use the PLUS or MINUS keys to enter

the minimum recommended flow mater, in

GPM or LPM, of the flow meter installed on the

sprayer.

• This information can be located in the flow

meter manufacturer’s literature.

• Minimum flow rates for TeeJet flow meters are

listed in the following table.

• Press the PROGRAM key to return to

accept the value and advance to the next step.