Omega FTB600B Series Bedienungsanleitung
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FTB600B Series
Ultra-Low Flow Sensors
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The information contained in this document is believed to be correct, but OMEGA accepts no liability for any errors it contains,and
reserves the right to alter specifications without notice.
WARNING: These products are not designed for use in, and should not be used for, human applications.
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TABLE OF
CONTENTS
FTB600B Series
Ultra-Low Flow Sensors
i
Section Page
Section 1 Introduction ...................................................................... 1
A. General Description .................................................... 1
B. Principle of Operation ................................................. 1
C. Material Characteristics of PVDF ............................... 2
Section 2 Operation Parameters ..................................................... 3
A. Temperature ................................................................. 3
B. Flow Ranges .................................................................. 3
C. Recommended Viscosity ............................................. 4
D. Filter Recommendations ............................................. 4
E. Cleaning ......................................................................... 5
F. Bi-directional Flow ....................................................... 5
Section 3 Silicone Treatment .......................................................... 6
Section 4 Infrared Sensor ................................................................. 7
A. Supply Voltage ............................................................. 7
B. Frequency Output ........................................................ 7
C. Frequency Ranges ........................................................ 8
D. Cable Requirements .................................................... 8
Section 5 Installation ...................................................................... 10
Section 6 Specifications ................................................................. 14
Section 7 Pressure Drop Curves ................................................... 15
ii
FTB600B Series
Ultra-Low Flow Sensors
NOTES:
1
1
FTB600B Series
Installation
IMPORTANT: READ INSTRUCTIONS THOROUGHLY BEFORE
INSTALLING FLOW METER
Section 1 - Introduction
A. General Description
The FTB600B Series is an axial paddle wheel turbine type flow meter
based on the pelton wheel principle. This unique patented design
makes the FTB600B Series a very accurate, repeatable, linear device.
Not only is the FTB600B Series precise, but it is also a rugged, trouble-
free flow meter, which can be used in a wide variety of industries
including: medical, pharmaceutical, chemical processing, pulp & paper,
semiconductor, biotech, agriculture etc.
B. Principle of Operation
Fluid flows through the meter, first passing through a helical nozzle,
which causes flow to spiral, rotating in a helical pattern. The spiraling
fluid then impacts on the flat blade rotor causing the rotor to spin. The
rotor is designed to immediately develop a rotation-induced friction
free fluid bearing, thus eliminating any potential bearing wear. An
infrared electro-optical transmitter and receiver is molded into the
body of the meter along with a pair of miniature circuit boards,
providing voltage stabilizers.* This design inherently bleeds off
entrained gas, improving the accuracy of the meter.
* Clear, transparent & translucent fluids; must transmit infrared light.
2
FTB600B Series
Installation
1
C. Material Characteristics of PVDF
(Polyvinylidene Fluoride)
1. Material of construction
Trade name - Kynar
All wetted parts of the FTB600B Series are PVDF, excluding the
O-ring. Wetted parts include any part of the meter that will or could
come in contact with the fluid.
List of wetted parts:
1. Barbed fittings 5. End caps
2. Flow meter body 6. Strainer
3. Rotor 7. Bearings
4. Helical nozzle (Viton O-ring seal)
2. Chemical Composition
Polyvinylidene Fluoride is a fluorpolymer consisting of three basic
materials (carbon, hydrogen and fluorine)
3. Effects of Various Fluids
a . Weak acids - no effects
b. Strong acids - attacked by fuming sulfuric & nitric acids at high
temperature.
c. Weak alkalis - no effects
d. Strong alkalis - no effects
e. Organic solvents - Resistant to most. Slight attack by some.
Imbrittled by some amines, keystone and esters.
3
2
FTB600B Series
Operating Parameters
Section 2. - Operating Parameters
A. Temperature
Since the FTB600B Series has printed circuit boards molded into the
body of the meter it is strongly recommended that 180°F not be
exceeded. Exceeding 180°F can cause irreparable damage to the circuit
boards.
B. Flow Ranges
The FTB600B Series is available in six different sizes, which cover a
flow range from 0.1 to 120 lpm.
Specific flow ranges
FTB601B 0.1 to 2 lpm (0.03 to 0.53 gpm)
FTB602B 0.3 to 9 lpm (0.08 to 2.38 gpm)
FTB603B 0.5 to 15 lpm (0.13 to 3.96 gpm)
FTB604B 1.0 to 30 lpm (0.26 to 7.93 gpm)
FTB605B 2.5 to 75 lpm (0.66 to 19.8 gpm)
FTB606B 4.0 to 120 lpm (1.32 to 32 gpm)
Over range may permanently damage the flow meter.
WARNING
4
FTB600B Series
Operation Parameters
2
5
FTB600B Series
Operating Parameters 2
C. Recommended Viscosity
Range 1-5 cSt (w/o correction)
The effects of changing viscosity on the FTB600B Series are the same as
any other turbine flow meter. It is important to remember that a turbine
meter is a viscosity dependent device, where as the viscosity increases
the linearity of the flow meter will decrease. (Water like viscosities are
ideally suited for use with the FTB600B Series) The FTB600B Series is
factory calibrated with water.
Correction procedure for higher viscosity
For viscosities greater than 5 cSt consult the factory. The FTB600B Series
can be used on fluids greater than 5 cSt. however, the K-factor
(linearity) will change. This requires a recalibration of the FTB600B
Series at the known viscosity to determine the new KFactor.
D. Filter Recommendations
Meter Micron Mesh
FTB601B 35 400
FTB602B 50 300
FTB603B 100 80
FTB604B 100 80
FTB605B 100 80
FTB606B 100 80
6
3
FTB600B Series
Silicone Treatment
Section 3 - Silicone Treatment
Silicone treatment is standard for all types of the FTB600B Series series
electronics.
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