BA / RE 250 / EN / V17-11
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Technical Data
7 Technical Data
General data
Range of application
Flow measurement of liquids and gases
Measuring principle
Flotation / Float measuring
Orientation
Vertical – flow direction from bottom to top
Measuring accuracy*
Directive
VDI / VDE 3513, sheet 2 (qG = 50%)
Liquids
G 1.6 (add. 0,2
%
**
of URV for MEM
/
MEM-PPA)
Gases
G 2.5 (add. 0,2
%
**
of URV for MEM
/
MEM-PPA)
Reproducibility
0,5
% of URV (add. 0,1
% of URV for MEM
/
MEM-PPA)
* A variation of the operating temperature to the considered temperature for the calibration
process, will lead to a corresponding inherent error
** For ambient temperatures < -20
°C the measuring error will increase
Materials
Type CF-S
Type EF-H
Type FF-P
Wetted parts
Stainless steel
Hastelloy
®
PTFE
Flange
<= DN
25 (1”)
Stainless steel
Hastelloy
®
Stainless steel
> DN
25 (1”)
Hastelloy
®
stainless
Fitting <=
DN
25
<= DN
25 (1”)
Stainless steel
Hastelloy
®
Stainless steel
with PTFE liner
> DN
25
> DN
25 (1”)
Hastelloy
®
stainless
Float + Guide bracket
Stainless steel
Hastelloy
®
PTFE
Display unit
Aluminium (optional stainless steel 1.4301) with safety glass pane
Operating conditions – all devices
Temperature
Type CF-S
Type EF-H
Type FF-P
Max. Medium temp. TS
-20
°C …+200
°C
(opt. -80
°C …+300
°C)
-20
°C …+125
°C
Pressure
Type CF-S
Type EF-H
Type FF-P
Max. Medium
pressure PS
DN
15 –
DN
150:
PN
160 (optional up to 400 bar)
PN
16
½” – 6”:
580
psi (optional up to 5800 psi)
232
psi
Min. operating pressure
> 2 x pressure loss (see measuring ranges)
Climate classification
Weatherproof and/or non heated locations
Class C in accordance with DIN IEC 654 Section 1
Protection class (DIN EN 60529)
Display unit
made of aluminium:
IP65
made of stainless steel: IP66
