Endress+Hauser LT5, Руководство по эксплуатации

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LT5 Setting
Hauser 73
40
50
60
70
80
90
100
110
120
130
140
0.5 1.0 1.5 2.0
-40
-30
-20
-10
0
10
20
30
40
50
60
1
1
2
Lf
LB > 0
LB < 0
1. 2.1 kg: LB
1. 2.1 kg: Lf
2.4 kg: Lf
2.
2.4 kg: LB
2.
LB (mm)
Lf
(mm)
200 (7.87)
Ø140 (5.51) Ø140 (5.51)
A0041241
 60 Indicator value when the tank is filled with water. Measurement unit: mm (in)
1 Draft surface at density ρ
2
Water (draft surface at density 1.0 g (0.002 lb)/cm 3 )
Equation: For LT5-4/LT5-6 8 300 g (18.30 lb) with a φ400 mm (15.75 in) float
1.
Float draft when the tank is empty
h
2
Lf = +
S
V
2
W - T
ρ
-
= 80.11mm
Float diameter D 400 mm (15.75 in) Float height h 200 mm (7.87 in)
Float mass W 8 300 g (18.30 lb) Float volume V 19 200 cm 3
Waterline cross
section S 1 256.64 cm 2 Tape tension T 1 200 g (2.65 lb)
Density limits ρ 1 g (0.002 lb)/cm
3
(assume that "empty" = "water")
2.
Correction of indicated value with simulated actual liquid
Lb = Lf (water) - Lf (actual liquid)
= 56.50 mm
Float diameter D 400 mm (15.75 in) Float height h 200 mm (7.87 in)
Float mass W 8 300 g (18.30 lb) Float volume V 19 200 cm 3