2-9
98-05019
Rev- 1
TASC 6200/6500
CE & STANDARD VERSION
pulses per gallon. If the system uses a flow meter to sense the liquid flow, use the following chart to get the initial
calibration number for the flow meter you have installed.
When being used to control a granular product set the product density, using the procedure outlined in section 2.4.4,
and enter an initial calibration number, which represents pulses/ft
3
, using the procedure outlined below to do a
calibration test.
A. Use the following switch settings to start the calibration:
Power ON
Mode selector SET-UP
Display selector L & CHEMICALS, VOL. APPLIED
Booms ON (if channel is in split drive)
Channel L Product SwitchALT. RATE
TASC will display the current calibration number for channel L. Record for reference. The INC/DEC
switch is used to change this number.
B. Move the Mode Switch to OPERATE and use the DEC switch to set the accumulated total to zero.
C. Use a catch test (or weight loss test) to fine tune the calibration. Divert channel L output to an appropriate
catch basin. If calibrating for liquid operation, route material through an adjustable pressure relief valve or
manually operated throttling valve.
D. Rotate the display selector to TEST SPEED and turn ON the booms. Channel L begins to discharge. When
sufficient material has been collected, turn OFF the booms and rotate the display selector to L & CHEMI-
CALS, VOL. APPLIED.
E. The TASC console displays the calculated amount of discharge. Measure the amount actually discharged.
Correct the calibration number using the following formula:
F. Set the L Channel Product Switch to ALT. RATE and the Mode Selector switch to SET-UP (if console is
being operated in Split Drive all active booms must be ON), and adjust the calibration number using the
INC/DEC switch. Turn booms off. Return the mode selector to OPERATE and TASC should display the
amount actually measured. The calibration is complete.
SIZE SUPPLIER CAL.# SIZE SUPPLIER CAL.#
.75 inch (Mid-Tech) 396.9 3.00 inch (Mid-Tech) 5.0
1.00 inch (Mid-Tech) 153.1
1.50 inch (Mid-Tech) 38.8 1.25 inch (Raven) 75.0*
2.00 inch (Mid-Tech) 23.8 3.00 inch (Raven) 16.4*
* Raven flow meters, use the factory calibration number divided by 10. All other flow meters,
use the manufacturers' supplied information regarding the pulses per gallon.
(INDICATED AMOUNT ÷ MEASURED AMOUNT) X CALIBRATION NUMBER = NEW
CALIBRATION NUMBER. If the amount read from the console is greater than the measured
amount, the calibration number will increase.
CALIBRATING WITH WATER WILL BE SUFFICIENT FOR MOST MA-
TERIALS; HOWEVER, FACTORS SUCH AS VISCOSITY AND DENSITY
CAN SLIGHTLY AFFECT THE CALIBRATION. FOR MATERIALS THAT
ARE MUCH DIFFERENT THAN WATER, THE CHANNEL SHOULD BE
CALIBRATED WITH THE MATERIAL TO BE APPLIED.
(45 páginas)
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