Teledyne 4250 Installation And Operation Manual page 65

at the calibration point are essential for accurate flow calculation
by the flow meter. If you select WEIR, the following display will
appear:
SELECT TYPE OF WEIR:
• V-NOTCH • • RECTANGULAR • • CIPOLLETTI •
If you select V-NOTCH, the following will appear:
SELECT V-NOTCH WEIR ANGLE (IN DEGREES)
• 22.5 • • 30 • • 45 • • 60 • • 90 • • 120 •
If you select RECTANGULAR, the following will appear:
END CONTRACTIONS ON RECTANGULAR WEIR:
• YES • • NO •
If you select YES, the following will appear:
RECTANGULAR WEIR WITH END CONTRACTIONS
ENTER CREST LENGTH XX.XXX FEET (or meters)
If you select CIPOLLETTI, the following will appear:
CIPOLLETTI WEIR
ENTER CREST LENGTH XX.XXX FEET (or meters)
If you selected FLUME for the type of standard device, the fol-
lowing display will appear:
SELECT TYPE OF FLUME
• PARSHALL • • PALMER-BOWLUS • • LEOPOLD-LAGCO •
Also available with the arrow key:
SELECT TYPE OF FLUME
• HS • • H • • HL • • TRAPEZOIDAL •
If you select PARSHALL, the following will appear:
SELECT PARSHALL SIZE:
• 1" • • 2" • • 3" • • 6" • • 9" • • 1.0' • • 1.5' • • 2.0' •
If you press the right arrow key several times, the sizes shown
below will move onto the screen:
SELECT PARSHALL SIZE:
• 3' • • 4' • • 5' • • 6' • • 8' • • 10' • • 12' •
If you select PALMER-BOWLUS, this will appear:
SELECT PALMER-BOWLUS SIZE
• 4" • • 6" • • 8" • • 9" • • 10" • • 12" • • 15" • • 18" • • 21" •
4250 Flow Meter
Section 2 Programming
2-37