Hach Sigma 950 Instrument Manual page 30

Basic Programming Setup
Weir
Non-Contracted Rectangular
Thel-Mar
V-Notch
Compound V-Notch
Flumes Description
Parshall Flume size in inches (1, 2, 3, 6, 9, 12, 18, 24, 30, 36, 48, 60, 72, 84, 96, 108, 120 or 144 in.)
Trapezoidal Flume size (60° S, 60° L, 60° XL, 45° 2", 45° 12")
H - Type Flume size in feet (0.5, 0.75, 1.0, 1.5, 2.0, 2.5, 3.0 or 4.5 ft)
HL - Type Flume size in feet 3.5', 4.0'
HS -Type Flume size in feet (0.4, 0.6, 0.8 or 1.0 ft)
Leopold-Lagco Flume size in inches (4, 6, 8, 10, 12, 15, 18, 20, 21, 24, 27, 30, 36, 42, 48, 54, 60, 66 or 72 in.)
Palmer-Bowlus Flume size in inches (4, 6, 8, 10, 12, 15, 18, 21, 24, 27, 30, 36, 42, 48, 60 or 72 in.)
Device or Equation Description
Level vs. Area Table
Enter up to two tables of up to 99 user-defined level vs. area points; Level: 0–999.9 in ft, in., m or cm
(two level vs. area
Area: 1–99999.99 in ft
tables are provided)
Nozzle Enter nozzle diameter
Step 5 - Program Lock
Step 6 - Sampler Pacing
28
Table 7 Weir Choices (continued)
Description
Crest Width is in. or cm (1–960 in. or 2.54–2438 cm)
Size in inches. (6, 8, 10, 12 or 15 in.)
Angle of notch in degrees (22.5 to 120°)
Angle of notch in degrees (22.5–120°), notch depth in inches, rectangular width in inches
(0–120 in. or 0–304 cm), Contracted or non-contracted.
Table 8 Flume Choices
Table 9 Other Primary Devices
2 2
, in. , m
Program Lock provides a protective passcode to keep unauthorized personnel from
tampering with the keyboard and/or prevent access via RS232 or modem. When enabled,
a screen will require a password to be entered. The Program Lock password factory is
set as 9500 and cannot be changed.
5-A. Next, the flow meter will display the Program Lock screen.
5-B. Enable or Disable the program lock using the
to continue to Sampler Pacing.
ACCEPT
6-A. Next, the flow meter will display the Sampler Pacing screen.
6-B. Enable Sampler Pacing using the
flow unit choices for sampler pacing.
2 2
or cm
CHANGE CHOICE
soft key. Press
CHANGE CHOICE
soft key. Refer to Table 10 for