Sigma 980 - Step 3 - Level Units; Step 4 - Primary Device

Section 3
Page 61
Basic Programming
Step 3 - Level Units
3-A. From the Modify All Items screen, highlight Level Units, using the up
and down arrow soft keys and press the
SELECT soft key to continue.
3-B. Select the units of measure to use when displaying level readings
(Tabl e 1 8). Level units of measure are used whenever a level reading is
displayed or logged.
3-C. Press the
CHANGE CHOICE soft key to cycle through each of the
level unit choices. Press the
ACCEPT soft key to continue to primary
device setup.
Step 4 - Primary Device
4-A. From the Modify All Items screen, highlight Primary Device using the up
and down arrow soft keys, and press
SELECT to continue.
4-B. Select the desired primary device, enter the calculation method, shape,
and pipe diameter for that primary device.
4-C. Press the
CHANGE CHOICE soft key to cycle through the primary device
choices (See Table 1 9 ). Ta bl e 20 , Tabl e 21, and Ta ble 2 2 show the
size and details required for each. Press the
ACCEPT soft key to
continue to Program Lock.
Table 18 Level Units Choices
Abbreviation Level Unit
in. inches
ft feet
cm centimeters
M meters
11:00 AM 21 - APR - 01 PRIMARY DEVICE
ACCEPT
CHANGE
CHOICE
PRIMARY DEVICE:
WEIR
SELECT PRIMARY DEVICE
Table 19 Primary Device Choices
Primary Device Description
None—Level Only No primary device installed. Level measurement only.
Weir
Compound, Cipolletti, Contracted rectangular, Non-contracted rectangular, Thel-mar, V-Notch
(22.5-120°), Compound V-Notch (See Ta bl e 2 0)
Flume Parshall, Trapezoidal, H-type, HL-type, HS-type, Leopold-Lagco, Palmer Bowlus (See Tabl e 21 )
Nozzle California pipe
Power Equation
Enter variables K
1
, K
2
, n
1
and n
2
K
1
(0–9999.99), K
2
(+/- 0–9999.99), n
1
and n
2
(1–9.99)
QK
1
H
n1
K
2
H
n2
+=