Omega Stud Sensor FTB600B User Manual

Users Guide  
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FTB600B Series  
Ultra-Low Flow Sensors  
 
FTB600B Series  
Ultra-Low Flow Sensors  
TABLE OF  
CONTENTS  
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  
i
 
FTB600B Series  
Ultra-Low Flow Sensors  
NOTES:  
ii  
 
FTB600B Series  
Installation  
1
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.  
1
 
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  
2. Flow meter body  
3. Rotor  
5. End caps  
6. Strainer  
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.  
2
 
FTB600B Series  
Operating Parameters  
2
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  
FTB602B  
0.1 to 2 lpm (0.03 to 0.53 gpm)  
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)  
WARNING  
Over range may permanently damage the flow meter.  
 
3
FTB600B Series  
Operation Parameters  
2
4
 
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  
FTB602B  
FTB603B  
FTB604B  
FTB605B  
FTB606B  
35  
50  
100  
100  
100  
100  
400  
300  
80  
80  
80  
80  
5
 
FTB600B Series  
Silicone Treatment  
3
Section 3 - Silicone Treatment  
Silicone treatment is standard for all types of the FTB600B Series series  
electronics.  
6
 
FTB600B Series  
Infrared Sensors  
4
Section 4 - Infrared Sensor  
A. Supply Voltage  
24 Vdc. Do not exceed 24 Vdc. Doing so can cause overheating and  
eventual failure of all PC boards. Printed circuit boards are non-  
repairable.  
B. Frequency Output  
1. Square wave pulse, unscaled (See Figure 4-1)  
2. Output impedance 75 ohms  
3. Directly proportional to flow rate  
4. Output - dc frequency  
5. Offset 0.64 volts  
6. Peak voltage = Supply voltage - 1.2 volts  
7. Peak to peak voltage Supply voltage - 1.2 volts - 0.64 volts  
8. Output signal cycle 66.7% (i.e. at 100 Hz there is a 6 millisecond “on”  
time and a 4 millisecond “off” time)  
9. TTL/CMOS circuit compatibility. The FTB600B Series has an  
operational amplifier output, which has a high input impedance and a  
low output impedance.  
7
 
FTB600B Series  
Infrared Sensors  
4
C. Frequency Ranges for  
(non-cartridge models)  
pulses/l  
Model  
Frequency (Hz) K-Factor  
FTB601B  
FTB602B  
FTB603B  
FTB604B  
FTB605B  
FTB606B  
60 to 1200  
40 to 1200  
27 to 800  
20 to 600  
18.75 to 562  
15 to 450  
36,000  
8,000  
3,200  
1,200  
450  
225  
D. Cable Requirements  
1. 20 to 22 AWG (American Wire Gauge)  
2. 4 conductor-shielded cable.  
NOTE  
Avoid influences of strong electromagnetic forces as they  
can damage components on the PC boards.  
8
 
FTB600B Series  
Infrared Sensors  
4
Figure 4-1. Output Frequency Waveforms  
 
9
FTB600B Series  
Installation  
5
Section 5 - Installing the FTB600B Series in the fluid line.  
A. Make sure the fluid is compatible with PVDF (polyvinylidene fluoride)  
and meets viscosity, pressure and temperature parameters of the  
FTB600B Series. The fluid must also meet filtration requirements as  
listed in 3D.  
B. Install the FTB600B series in the fluid line with the arrow pointing in  
the direction of the flow.  
C. While installing the FTB600B Series in the fluid line be careful not to  
over-torque the end caps (on hose-barbed flowmeters) or other  
fittings on the flowmeter. Due to the relatively soft composition of  
PVDF the body or threads can be permanently distorted.  
D. Attach wires to the readout display with the display and power off.  
Not only will this help to avoid a potential shock hazard, but it can  
also help prevent an error in hooking the flow meter to an incorrect  
115 Vac supply.  
E. Connect digital display to power supply and enter scaling factors for  
both the rate and total. Follow the manufacturers instructions for  
programming the digital display.  
F. The FTB600B Series is now ready for use.  
G. See Table 5-1 for straight pipe recommendations.  
10  
 
FTB600B Series  
Installation  
5
Figure 5-1. Supply Voltage and Signal Output Connections  
11  
 
FTB600B Series  
Installation  
5
Table 5-1. Piping Table  
 
12  
FTB600B Series  
Installation  
5
Table 5-1. Piping Table Con't.  
 
13  
FTB600B Series  
Specifications  
6
Section 6 - Specifications  
Accuracy:  
3% of reading  
0.1% of reading  
1% of reading  
Repeatability:  
Linearity:  
Viscosity Range:  
Working Pressure:  
Wetted Materials:  
Power Supply:  
1 to 15 centistokes  
150 PSIG at 175°F  
PVDF  
5 to 18 Vdc, 6 to 33 mA  
Unscaled square wave  
See Section 7  
Output Signal:  
Pressure Drop:  
14  
 
FTB600B Series  
Pressure Drop Curves  
7
Section 7 - Pressure Drop Curves  
Pressure Drop FTB600B Series Liquid Turbine - Flowmeter FTB601  
50  
45  
40  
35  
30  
25  
20  
15  
10  
5
0
0
0.5  
1.0  
1.5  
2.0  
Liters/minute  
15  
 
FTB600B Series  
Pressure Drop Curves  
7
Pressure Drop FTB600B Series Liquid Turbine - Flowmeter FTB602  
250  
200  
150  
100  
50  
0
0
2.0  
4.0  
6.0  
8.0  
10.0  
Liters/minute  
16  
 
FTB600B Series  
Pressure Drop Curves  
7
Pressure Drop FTB600B Series Liquid Turbine - Flowmeter FTB603  
200  
180  
160  
140  
120  
100  
80  
60  
40  
20  
0
0
5
10  
15  
Liters/minute  
17  
 
FTB600B Series  
Pressure Drop Curves  
7
Pressure Drop FTB600B Series Liquid Turbine - Flowmeter FTB604  
200  
180  
160  
140  
120  
100  
80  
60  
40  
20  
0
0
10  
20  
30  
Liters/minute  
18  
 
FTB600B Series  
Pressure Drop Curves  
7
Pressure Drop FTB600B Series Liquid Turbine - Flowmeter FTB605A  
160  
140  
120  
100  
80  
60  
40  
20  
0
0
10  
20  
30  
40  
50  
60  
Liters/minute  
19  
 
FTB600B Series  
Pressure Drop Curves  
7
Pressure Drop FTB600B Series Liquid Turbine - Flowmeter FTB606A  
180  
160  
140  
120  
100  
80  
60  
40  
20  
0
0
10  
20  
30  
40  
50  
60  
70  
80  
90  
Liters/minute  
20  
 
WARRANTY/ DISCLAIMER  
OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a period  
of 13 months from date of purchase. OMEGA’s WARRANTY adds an additional one (1) month grace period to  
the normal one (1) year product warranty to cover handling and shipping time. This ensures that OMEGA’s cus-  
tomers receive maximum coverage on each product.  
If the unit malfunctions, it must be returned to the factory for evaluation. OMEGA’s Customer Service Department will issue  
an Authorized Return (AR) number immediately upon phone or written request. Upon examination by OMEGA, if the unit is  
found to be defective, it will be repaired or replaced at no charge. OMEGA’s WARRANTY does not apply to defects resulting  
from any action of the purchaser, including but not limited to mishandling, improper interfacing, operation outside of  
design limits, improper repair, or unauthorized modification. This WARRANTY is VOID if the unit shows evidence of having  
been tampered with or shows evidence of having been damaged as a result of excessive corrosion; or current, heat,  
moisture or vibration; improper specification; misapplication; misuse or other operating conditions outside of OMEGA’s  
control. Components in which wear is not warranted, include but are not limited to contact points, fuses, and triacs.  
OMEGA is pleased to offer suggestions on the use of its various products. However, OMEGA neither  
assumes responsibility for any omissions or errors nor assumes liability for any damages that result  
from the use of its products in accordance with information provided by OMEGA, either verbal or  
written. OMEGA warrants only that the parts manufactured by the company will be as specified and  
free of defects. OMEGA MAKES NO OTHER WARRANTIES OR REPRESENTATIONS OF ANY KIND  
WHATSOEVER, EXPRESSED OR IMPLIED, EXCEPT THAT OF TITLE, AND ALL IMPLIED WARRANTIES  
INCLUDING ANY WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE  
ARE HEREBY DISCLAIMED. LIMITATION OF LIABILITY: The remedies of purchaser set forth herein  
are exclusive, and the total liability of OMEGA with respect to this order, whether based on  
contract, warranty, negligence, indemnification, strict liability or otherwise, shall not exceed the  
purchase price of the component upon which liability is based. In no event shall OMEGA be liable for  
consequential, incidental or special damages.  
CONDITIONS: Equipment sold by OMEGA is not intended to be used, nor shall it be used: (1) as a “Basic  
Component” under 10 CFR 21 (NRC), used in or with any nuclear installation or activity; or (2) in medical  
applications or used on humans. Should any Product(s) be used in or with any nuclear installation or activity,  
medical application, used on humans, or misused in any way, OMEGA assumes no responsibility as set forth in our  
basic WARRANTY/ DISCLAIMER language, and, additionally, purchaser will indemnify OMEGA and hold OMEGA  
harmless from any liability or damage whatsoever arising out of the use of the Product(s) in such a manner.  
RETURN REQUESTS/ INQUIRIES  
Direct all warranty and repair requests/inquiries to the OMEGA Customer Service Department. BEFORE RETURNING  
ANY PRODUCT(S) TO OMEGA, PURCHASER MUST OBTAIN AN AUTHORIZED RETURN (AR) NUMBER FROM  
OMEGA’S CUSTOMER SERVICE DEPARTMENT (IN ORDER TO AVOID PROCESSING DELAYS). The assigned AR  
number should then be marked on the outside of the return package and on any correspondence.  
The purchaser is responsible for shipping charges, freight, insurance and proper packaging to prevent breakage in transit.  
FOR NON-WARRANTY REPAIRS, consult OMEGA  
for current repair charges. Have the following  
information available BEFORE contacting OMEGA:  
1. Purchase Order number to cover the COST  
of the repair,  
2. Model and serial number of the product, and  
3. Repair instructions and/or specific problems  
relative to the product.  
FOR WARRANTY RETURNS, please have the  
following information available BEFORE contacting  
OMEGA:  
1. Purchase Order number under which the  
product was PURCHASED,  
2. Model and serial number of the product under  
warranty, and  
3. Repair instructions and/or specific problems  
relative to the product.  
OMEGA’s policy is to make running changes, not model changes, whenever an improvement is possible. This affords our customers the  
latest in technology and engineering.  
OMEGA is a registered trademark of OMEGA ENGINEERING, INC.  
© Copyright 2005 OMEGA ENGINEERING, INC. All rights reserved. This document may not be copied, photocopied, reproduced, translated, or  
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Where Do I Find Everything I Need for  
Process Measurement and Control?  
OMEGA…Of Course!  
Shop online at omega.com  
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