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Les langues disponibles
G
®
PREMASREG
716x
Mounting diagram
3570 Pa
(A)
110Pa
(D)
TYPES OF MONITORING:
(A)
Below-atmospheric pressure:
P1 (+)
is not connected, but open to the atmosphere
P2 (–)
connected to inside of duct
(B)
Filter:
P1 (+)
connected upstream of filter
P2 (–)
connected downstream of filter
(C)
Ventilator:
P1 (+)
connected downstream of ventilator
P2 (–)
connected upstream of ventilator
(D) Volume flow:
P1 (+)
dynamic pressure, Connected in flow direction
P2 (–)
static pressure, Connected free of dynamic pressure components
(E)
Level:
P1 (+)
Connection submerged in medium
P2 (–)
Connection is open to the atmosphere
Pressure connections at the pressure switch are marked with
P1 (+)
for higher pressure and
P2 (–)
for lower pressure.
PREMASREG
3570 Pa
3570 Pa
(B)
110Pa
(E)
®
716x
(C)
11
Rev. 2019 - V26
®
PREMASREG
716x
Function types
Volume flow rate
V = k√∆
3
V
= Volume flow in m
/h
k
= K factor 1...3000
∆ p = Differential pressure in Pa
Differential pressure
∆ p = p
– p
+
–
∆ p = Differential pressure in Pa
p
= higher pressure
+
p
= lower pressure
–
Filter contamination
S = 100% · ∆ p ÷ p
Filter
S
= Contamination degree in %
∆ p = Differential pressure in Pa
p
= differential pressure
Filter
filter replacement in Pa
Level display
h = ∆ p ÷ (ρ · g)
h
= Fill level height in cm
∆ p = Differential pressure in Pa
ρ
= Density 700...1300 in kg/m
g
= 9.81 m/s
2
3
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