Technical Data - bürkert 8025 Bedienungsanleitung

2 DESCRIPTION

2.5 Technical Data

The following characteristics are valid for compact or separate versions connected to Bur-
kert flow sensor. If other flow sensors are used, refer to the specifications of these sensors.
Pipe diameter
Environment
Ambient and storage
temperature
Relative humidity
Protection rating
Flow rate measurement
Measuring range
Measuring error
Linearity
Repeatability
*) Under reference conditions i.e. measuring fluid water, ambient and water temperatures of
20 °C, applying the minimum inlet and outlet pipe straights, matched pipe dimensions.
o.F.S = of Full Scale (10 m/s); o.R = of Reading
BATCH CONTROLLER 8025
DN6 to DN400 (DN6 and DN8 only with separate versions)
0 to 60 °C
max 80 %, non condensated
IP 65 (compact, wall-mounted and front side of panel-
mounted version)
IP 20 (rear side of panel-mounted version)
Pulse output version: 0.3 to 10 m/s
Sinus output version (only separate versions): 0.5 to 10 m/s
1. With In-line calibration ("Teach-In"):
≤
± 0.5% o.F.S (at 10 m/s) *
2. With standard K factor:
≤
± (0.5% o.F.S + 2.5% o.R) *
Max. error [%]
F.S. = of the full scale
10
M.V. = of the measured value
8
6
4
2
1 2 3
4
-2
-4
Typical Burkert curve
-6
Standard calibration
-8
Calibration with Teach-In
-10
≤
± 0.5% o.F.S (at 10 m/s) *
0.4% o.R *
E-7-
9
5 6 7 8 10
Flow velocity [m/s]