+GF+ 2298 Bedienungsanleitung Seite 41

Instruction manual
P40= 15 Rectangular or Bazin weir
0,001 < Q (m
0,15 < P41 (m) < 0,8
0,15 < P42 (m) < 3
0,015 < h (m) < 0,8
Q (m /s) =1,77738(1+0,1378h/P41) * P42 * (h+0,0012)
3
Accuracy: ±1%
P40= 16 Trapezoid weir
0,0032 < Q (m
20 < P41(°) < 100
0,5 < P42 (m) < 15
0,1 < h (m) < 2
Q (m3/s) = 1,772 * P42 * h
Accuracy: ±5%
P40= 17 Special trapezoid (4:1) weir
0,0018 < Q (m3/s) < 50
0,3 < P42 (m) < 10
0,1 < h (m) < 2
Q (m3/s) = 1,866 * P42 * h
Accuracy: ±3%
P40= 18 V-shaped weir
0,0002 < Q (m3/s) < 1
20 < P42(°) < 100
0,05 < h (m) < 1
Q(m3/s) = 1,320 * tg(P42/2) * h
Accuracy: ±3%
P40= 19 THOMSON (90°) weir
0,0002 < Q (m3/s) < 1
0,05 < h (m) < 1
Q (m3/s) = 1,320 * h
Accuracy: ±3%
P40= 20 Circular weir
0,0003 < Q (m3/s) < 25
0,02 < h (m) < 2
Q(m3/s) = m*b * D2,5, where b = f (h/D)
m = 0,555+0,041 * h/P41+(P41/(0,11 * h))
Accuracy: ±5%
P40= 21 Generic formula:
Q (l/s) = P41*h
h (m)
P40= 22 Generic formula:
Q (l/s) = P41*h
'h' will be substituted in the unit set in P00c and P00b.
P40= 30...38 Palmer-Bowlus standard D/2 flume (4"...24")
Refer to flume's user manual for details.
P46 (P00c, P00b)
/s) < 5
3
/s) < 82
3
+ 1,320 * tg(P41/2) * h
1,5
1,5
2,47
2,47
P42
P42
1,5
2,47
Type 2298 80 GHz Radar Level Sensor
41