Detailed Product Description

FLOW SWITCH BFS100

 

• Operation in wide flow rates for water & oil
• Immunity to contaminated or corrosive Liquids
• Enhanced microcontroller technology
• Insensitive to pulsating and entrapped air
• Response time of only 15 seconds
• Up to 25 bar process pressure
• Up to 140 ?C process temperature
• Easy programming and calibration
• Self diagnostics and troubleshooting
• Local indicator available
• IP65 Protection class 

BESKRIVNING

BASI`s BFS100 flow switch is designed to operate with low viscosity, non-viscous or dirty liquids with moderate flow rates as water and water solutions, oil, and fuels. This model uses the well-know principle of thermal dispersion, based on the measurement of temperature difference deviation due to the flow rate via two temperature sensors immersed in the controlled medium. An output relay switches when the flow rate reaches the set-point value after maximum 15 sec. response time. An enhanced microcontroller design allows simple user calibration and continuous self-diagnostic. Local programmable indicator for process temperature is also available as an option.

 

TECHNICAL SPECIFICATIONS

Housing : Aluminum IP65

Wetted parts : SS304 (1.4301)

Adjustment : Rotary switch

Indikation : Green LED output, red LED setting

Digital indicator : Process temperature (option)

Flow range : 0,01 to 1,5 m/sec (water) 0,02 to 3 m/sec (oil)

Warm-up time : 45 sec

Process connection : G 1, 1NPT

Probe length : 40 to 250mm

ADJUSTMENT

Span calibration : 0-60 sec

Zero Calibration : 0-60 sec

Hystereses : 10% of span

Time delay : 2 sec (factory set)

OUTPUT

Relay contact : SPDT 250VAC 3A activates at flow rate over set-point

Function : Change-over

 

INSTALLATION

Power supply : 24VDC

Power consumption : Max 6VA

Ambient temp : -10 to +65?C

Process temperature: 0-105 ?C (CIP up to 140 ?C)

Process pressure : Up to 25 bar

Protection : IP65

Mounting : In process G 1", 1"NPT

Weight : Max 500g

EMC : EN 50081-1, EN 50082-2,EN 61010-1 73/23/EEC & 89/336/EEC

 

ORDER INFORMATION

BFS100

FLUID        SENSOR LENGTH         CONNECTION         OPTION

W Water     X Specify                       Q12 G 1"                 X None

L Oil                                                Q15 1" NPT             A Indicator

                                                                                        for temp