Electrical Connections; K Factors - Burkert 8041 Manuel Utilisateur

Power source (not •
provided)
•
•
Current output
• Type of output •
• Refresh time •
• Max. loop resistance •
Frequency output
• Frequency •
• Duty cycle •
• Max. current •
• protected against •
short circuits and
polarity reversal
Relay output on versions •
not approved by UL
•
12
Source with limited power in
accordance with § 9.3 of the
UL 61010-1 standard second edition
or the EN 61010-1 standard
Or low power source in accordance
with the UL 60950-1 standard
or class 2 source in accordance with
the UL 1310 or UL 1585 standards
4-20 mA, sink or source by wiring
100 ms
W at 36 VDC, 330 W at
1100
18 VDC
0-240 Hz
50 % ± 1 %
100 mA max.
yes
Normally open or normally closed,
depending on the wiring
3 A, 250 VAC max.
English
Type 8041
Technicaldata
Relay output on versions •
approved by UL
•
Alarm
• Full scale exceeded •
• Error signal •
6.3.4.

electrical connections

Connection type
Cable data
• Cable type
• Cross section
• Diameter of each cable:
- if only one cable per cable
gland
- if two cables in one cable
gland
6.3.5.

K factors

The 8041 transmitter measures the fluid velocity (m/s) and converts it
into a current I (mA) and a frequency f (Hz).
Normally open or normally closed,
depending on the wiring
maximum 30 VAC and 42 V peak or
60 VDC, 2.5 A max.
22 mA and 256 Hz
22 mA and 0 Hz
Via two cable glands M20x1.5
• shielded
• 0,75 mm
2
- 6...12 mm
- 4 mm, with multi-way seal
provided