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7.1 Dimensions
BFS-10-N / N-Air
G
hex
D
B
T
L
Weight [g]
BFS-10-O / O-Air
G
hex
D
B
T
L
Weight [g]
Approval data for BFS-10-...-EXI
Optionally there is an intrinsically safe approved version of the flow monitor for gas and dust
environments according to ATEX regulations.
These intrinsically safe switches marked with Ex ia label must be operated with a certified switch
amplifier.
Approval:
Certificate no.:
Permissible ambient
temperature:
Electrical data for
intrinsically safe application:
Standards applied:
All conductive parts that can become dangerously charged must be connected and fed
into the equipotential bonding.
8
G 1
G ½
G ¼
41
27
18
47
31
18
76
52
47
17
14
10
130
90
65
1050
350
140
G 1
G ½
G ¼
41
27
17
50
32
20
77
53
49
17
14
10
158
114
90
900
300
140
II 1 GD
Ex ia IIB T6 Ga
Ex ia IIIC T100°C Da
ISSeP08ATEX016X/1
T
= -40 °C ... +75 °C, IP6X
amb
U
= 28 V
I
= 50 mA
i
i
C
= 40 pF
L
= 4 µH
i
i
IEC 60079-0 : 2011, IEC 60079-11 : 2011
Operating Instructions
Flow monitor type BFS-10-N / N-Air
Flow monitor type BFS-10-O / O-Air
1
Intended Applications ................................................................................................... 2
2
Safety Instructions ......................................................................................................... 2
3
Standards ....................................................................................................................... 3
4
Warranty/Guaranty ......................................................................................................... 3
5
Installation ...................................................................................................................... 4
6
Maintenance/Cleaning ................................................................................................... 5
7
Technical Data ................................................................................................................ 6
Barksdale GmbH
Dorn-Assenheimer Straße 27
D-61203 Reichelsheim
Phone:
+49 (6035) 949-0
Fax:
+49 (6035) 949-111 and 949-113
eMail:
info@barksdale.de
Internet: www.barksdale.de
Art. no. 923-1850
Index: M, 31.01.2019
Specifications are subject to
changes without notice!
Refer to data sheet for further
technical data.
1
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Summary of Contents for Barksdale BFS-10-N
- Page 1 7.1 Dimensions Operating Instructions BFS-10-N / N-Air Flow monitor type BFS-10-N / N-Air Flow monitor type BFS-10-O / O-Air G ½ G ¼ Weight [g] 1050 BFS-10-O / O-Air G ½ G ¼ Intended Applications ....................2 Weight [g] ...
- Page 2 Nonobservance may result in light injuries and material damage to the switch and/or to the plant. Read the operating instructions and the safety instructions carefully before using the flow monitor. Nonobservance may cause injuries to health or material damage. Barksdale GmbH cannot be held liable for any damage resulting from incorrect use. IMPORTANT DANGER Refers to important information essential to the user.
- Page 3 Limiting the current by means of a CAUTION resistor BFS-10-N: Too long threads may impair the function of the flow monitor or cause damage to the flow monitor. Resistive load This kind of load will be caused by incandescent bulbs / Motor start up Observe the maximum length when screwing in the fittings.
- Page 4 The reed contacts are tungsten, gold-rhodium-plated and are installed in an inert gas atmosphere. Technical Data Hence direct connection to the inputs of a PLC system is possible. Operating data BFS-10-N 1" BFS-10-N ½" BFS-10-N ¼" Wiring diagram for switches provided with connector (standard)