Hach Ultrasonic flow sensor Manuel D'utilisation page 10

4. Select the desired gauge type and push ENTER.
Option Description
V NOTCH WEIR Sets the input for tank width B, crest height P, notch
angle (in degrees) and maximum depth. See
Figure
RECTANGLE WEIR Sets the input for channel width B, crest width b,
crest height P and maximum depth. See
Figure
RECTANGLE Sets the input for throat width b, channel width B,
FLUME throat length L, roughness k (no units), water
temperature, hump height P, datum offset and
maximum depth.
ROUND BOT Sets the input for throat width b, channel width B,
FLUME throat length L, roughness k (no units), water
temperature, hump height P, datum offset and
maximum depth.
CIPOLLETTI WEIR Sets the input for Cipolletti type (1 ft–default; 1 ft
6 in.; 2 ft; 2 ft 6 in.; 3-6, 8 or 10 ft) and maximum
depth. See
weir configurations, use the USER DEFINED option.
NEYRPIC FLUME Sets the input for Neyrpic type (1234A–default,
1236A-G, 1241B_C, 1241E_F, 1241G_H, 1242B3,
1242C3, 1242D3, 1245A-D, 1253A-F, 1253AX,
1253AY, 1253AZ or 1254A-F) and maximum depth
PARSHALL FLUME Sets the input for Parshall type (1–default, 2, 3, 6 or
9 in.; 1 ft; 1 ft 6 in.; 2-8, 10, 12, 15, 20, 25 30, 40 or
50 ft) and maximum depth
P BOWLUS FLUME Sets the input for Palmer Bowlus type (4–default, 6,
8, 10, 12, 15, 18, 21, 24, 27, 30, 36 or 42 in.) and
maximum depth
KHAFAGI FLUME Sets the input for throat width b and maximum depth
L LAGCO FLUME Sets the input for Leopold-Lagco type (4–default, 6,
8, 10, 12, 15, 18, 21, 24 or 30 in.) and maximum
depth
10 English
4.
Figure 5
6.
Figure 7. For other types of trapezoidal
Option
H TYPE FLUME
TRAPEZOIDIAL
FLUME
or
USER DEFINED
5. Select CONFIGURE GAUGE and push ENTER.
6. Move the cursor to each item and push ENTER.
7. Enter the required data and push ENTER.
Note: The maximum depth entry for all gauge structures is the measurement
above the crest height as shown in
Do not enter the overall depth.
Description
Sets the input for H type (0.4–default, 0.6, 0.8, 1.0 ft
HS; 0.5, 0.75, 1.0, 1.5, 2.0, 2.5, 3.0, 4.5 ft H; 4.0 ft
HL) and maximum depth
Sets the input for trapedzoidal type (large 60° V–
default, extra large 60° V, 2 in. 45° WSC or 12 in. 45°
SRCRC) and maximum depth
Sets the input for at least 3 data points. A known
water depth and corresponding known flow rate must
be entered for each data point.
Figure 4, Figure 5, Figure 6 and Figure 7.