Dwyer BFM - Manual

Bulletin FL-1-BFM
DWYER INSTRUMENTS, INC.
Phone: 219/879-8000 www.dwyer-inst.com
P.O. BOX 373 • MICHIGAN CITY, INDIANA 46361, U.S.A. Fax: 219/872-9057 e-mail: [email protected]
Specifications - Installation and Operating Instructions
Series BFM Bulk Flow Monitor
Series BFM Bulk Flow Monitor provides effective
monitoring for most flow/no flow conditions in pipes and
chutes. It’s sensing techniques, which use a Piezo element,
makes the BFM versatile for most flow/no flow applications.
The BFM Control offers many unique advance features
that exceed the industry standards. The BFM Central
Processing Unit monitors movement of almost anything
through a pipe or chute system. The BFM is ideal for
sensing the presence or absence of materials in Pneumatic
Conveying Systems. The BFM offers adjustable sensitivity
depending on the application demand. Also, it provides
easy installation and requires no maintenance. The unit has
L.E.D indicators – flow (green)/ no flow (red).
The BFS-1 Sensor yields many advance features. It
externally mounts to the outside of the pipe or chute. It
provides mounting tabs for easy installation. The Sensor is
prewired with 3´ wire.
Series BFM has many practical applications. You can use it
to monitor Oil Spray Systems, Discharge Chutes,
Distributors, Screw Conveyors, Drag Conveyors, Water
Systems, Air Systems, Pneumatic Systems, Gravity Feed
Systems, Slurry Systems, Chemical Processing, Food
Processing and Rotary Drums.
SPECIFICATIONS
BFM Specifications
Service: Solids and liquids.
Power Requirement: 120VAC, 220VAC or 12VDC.
Power Consumption: .1A.
Temperature Limits: 120°F (48.9°C).
Output: Relay: SPDT rated 4A @ 125/250VAC, 1/10 HP
@ 125/250VAC, 3A @ 30VDC. TTL: 0-5 V.
Serial Communications: RS-232.
Electrical Connection: Screw Terminal.
Conduit Connection: Knockouts (two 3/4˝ for power,
three 1/2˝ for sensor and outputs).
Enclosure Rating: NEMA 4.
Material: Polycarbonate.
Weight: 3 lbs (1.36 kg).
BFS Specifications
Pipe Size: 1/2˝ to 60˝ (1.27 to 152.4 cm).
Enclosure Rating: NEMA 4.
Electrical Connection: 3´ (0.9 m) of 18 gauge wire.
Temperature Limits: 155°F (68.3°C).
Materials: PVC Type 1 Grade 1 Grey.
Weight: 5 oz (141.8 g).
Part Number
BFM-1
BFM-2
BFM-3
BFS-1
Descriptions
Control Unit: NEMA 4X, Polycarbonate Housing, Weatherproof, 120VAC
Control Unit: NEMA 4X, Polycarbonate Housing, Weatherproof, 220VAC
Control Unit: NEMA 4X, Polycarbonate Housing, Weatherproof, 12VDC
Sensor
4x 3/4˝ CONDUIT KNOCKOUTS
5-9/64 [130.45]
TRANSFORMER 3[76.20]
6X 1/2˝ CONDUIT
KNOCKOUT
1-19/32
[40.64]
1/2
[12.69]
3/32
[2.29]
3
[76.20]
1-1/2
[38.10]
FLOW SENSOR
6´ 18 AWG
WIRE
SENSOR
TIP
PRODUCT LABEL
FOR MAIN CONTROLLER UNIT
7
[177.80]
GREEN
LED
1A FUSE
RED LED
RELAY
SENSITIVITY ADJUSTMENT
POTENTIOMETER
BFM FLOW MONITOR
BFM BFS
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