Thermatel®
Enhanced Model TA2
Thermal Mass Flow Meter
D E S C R I P T I O N
The Thermatel® Enhanced Model TA2 Thermal Mass Flow
Meter provides reliable mass measurement for air and gas
flow applications. The powerful, yet easy to use, electronics
are contained in a compact explosion proof enclosure.
The TA2 is available with both insertion probes as well as
flow body design for smaller pipe sizes. The TA2 offers
excellent performance at an exceptional value.
T E C H N O L O G Y
F E A T U R E S
• Low pressure drop
V EL
LE
• Excellent low flow sensitivity
EGRITY
• High turndown ratios
F ET Y I
NT
SA
• Direct mass flow measurement of air and gases
P R O B E
F E A T U R E S
• NIST traceable calibrations
• All 316 welded stainless steel and Hastelloy® C-276
construction
E L E C T R O N I C S
F E A T U R E S
• Selection of process connections, including threads,
welded flange construction, and use with a
compression fitting
• Compact explosion proof/NEMA 4X enclosure, mounted
either integrally on the probe or at a remote location
• Process temperatures up to +400° F (+200° C)
• Accepts all input power—11.6 to 30 VDC and 100 to
264 VAC
• Pressure rating to 1500 psig (103 bar) dependent
upon process connections
• Probe can be field-replaced
• 4 –20 mA flow signal can be set for either active or
passive operation
• Optional pulse output plus second mA output which
can be used for temperature or different flow range
(mA output passive connection only)
• Unique sensor design permits higher mass flow rates
yet maintains equivalent thermal mass for varying
temperature operation
• Optional hot tap retractable probe assembly
• HART communications with AMS and DTMs available
• 2-line × 16-character backlit display with four pushbuttons for ease of configuration
A P P L I C A T I O N S
• Combustion air
• Digester/Bio-gas
• Compressed air
• Vent lines/Flare headers
• Natural gas
• Hydrogen lines
• Rotatable housing
• Calibration for two different gases
• Language selections of English, German, French,
Spanish, and Russian
• Aeration air
F L O W
B O D Y
F E A T U R E S
• 1⁄2" to 4" pipe sizes
• NPT threads available up to 2" in size
• Stainless steel and carbon steel (with stainless steel sensor) construction
• Flange connections for all sizes
• Optional stainless steel flow conditioning plate for 1.5" and higher
• Flow conditioning for 1⁄2" to 1" based on upstream length and sensor design
A D D I T I O N A L
F E A T U R E S
TOTALIZER
LOW VOLTAGE OPERATION
Two 7-digit flow totalizers, one resettable and one
non-resettable are provided. Flow units selectable
in user’s choice of engineering units. Totalizer data
is electronically stored eliminating the need for
backup batteries and provides maximum safeguard
data in the event of a power interruption. The totalizer can be reset using the display module, HART
or via PACTware ™.
The TA2 will accept input power as low as
11.6 VDC on Explosion Proof units when used
with Integral Electronics.
TEMPERATURE
COMPENSATION
Thermal flow technology measures the mass flow
rate without the need for pressure and temperature
correction as required with most gas flow instruments that measure the flow rate at actual conditions. However, changing temperature will change
the properties of the gas which effect convective
heat transfer. The Model TA2 measures the gas
temperature and automatically adjusts the mass
flow measurement for changes in gas properties
over the entire temperature range of the instrument.
DIAGNOSTICS
Diagnostics is an important aspect of the TA2.
The Enhanced TA2 has additional diagnostics to
check the operation and performance of the unit.
Diagnostics includes probe status, a test of RTD drift
with automatic recalibration, and overall performance.
In order to verify that the calibration and configuration match the original calibration conditions, the
user can select a specific signal and compare the
TA2 display value against the original calibration
certificate.
2
SELECTABLE STP
CONDITIONS
The TA2 directly measures mass flow of the gas
referenced to Standard Temperature and Pressure
(STP) conditions. Software permits the user to
change STP conditions for their own requirements.
AREA COMPENSATION
FOR PIPE SIZE
The TA2 automatically compensates the flow measurement based on actual area of the pipe. The
user simply enters the size or the area of the new
pipe, and the instrument automatically calculates
the flow including factors for the probe blockage.
HART
COMMUNICATION
Using HART/AMS communication, the user can
configure the instrument from a remote location.
HART provides the same functionality as the display
module interface including all configuration and
diagnostic information.
AIR
EQUIVALENCY
Using historic air-gas calibration data, an air equivalency calibration can be performed on select gases.
Consult Magnetrol® for details and flow ranges.
A D D I T I O N A L
PROBE
F E A T U R E S
INSTALLATION
Probes can be provided with a variety of process
connections, including threads, flanges, or installation
through a compression fitting. The sensor will fit
pipe sizes of 11⁄2" diameter or larger (2" minimum
size with thread connection).
The sensor is protected to prevent damage due to
“bottoming-out” if inserted too far into a pipe.
PULSE
OUTPUT
The optional pulse output provides a pulse output
equivalent to user selected units and multiplier factor.
Both active (power from the TA2) or passive
(external power supply) connections are provided
to match the user’s interface. This output can
optionally be used as an alarm to indicate that the
flow rate is above or below the desired set point.
PORTABLE
MODULE
DISPLAY
A portable display module for configuration and
diagnosis of multiple units is available (part number
089-5219-002). This portable module plugs into the
electronics in the same manner as the normal display
and uses the same software menu. This module
permits the user to reduce installation cost by
having one display module with keypad for
multiple TA2 units.
Usage of the display module requires that the housing
cover be removed during use and thus may not be
useable in hazardous areas. In these cases, the
HART option should be utilized.
c o n t i n u e d
NAMUR
COMPLIANCE
Model TA2 output signal meets NAMUR NE43 recommendations for the 4–20 mA signal levels.
FACTORY
CALIBRATION AND
CONFIGURATION
Each TA2 is calibrated at the factory for the type of
gas and the specified flow rate. The instrument is
configured for the specific application information.
The result is an instrument which can be installed
and immediately be placed into operation without
field setup.
CALIBRATION
VERIFICATION
MAGNETROL has developed a procedure to verify
the calibration of the TA2 in the field. Following
this procedure, the user can verify that the heat
transfer characteristics of the instrument have not
changed from first received. While the calibration is
a permanent calibration, the user can now check
the calibration without having to return the instrument to the manufacturer. When using a HART
handheld or PACTware ™, the user is guided through
the procedure.
ELECTRICAL
WIRING
Elevated terminal strips with very visible markings
make wiring of the TA2 extremely easy.
Portable Display Module
3
PACTware™ P C
S O F T W A R E
The Most Efficient PC Configuration Tool
for TA2 Mass Flow Meters
PACTware is the modern, user-friendly adjustment software that enables
quick configuration and diagnostics of your TA2 mass flow meters.
With your PC connected through a serial interface to the HART loop,
all functionality can be managed remotely anywhere on the loop.
Parameters Screen Every Parameter in the TA2 can be
reviewed and monitored remotely with a few clicks of
the mouse. From units of measurement to pipe size, I/O
Configuration or Calibration Factors, the parameters can
be viewed or changed.
Trending Screen Trending is available of the flow rate,
temperature, and signal providing useful information on
the operation of the TA2. This is especially important
for troubleshooting and diagnostics if required.
Parameters Screen
Process Trend Screen
A P P L I C A T I O N S
COMPRESSED
AIR/GASES
Measurement of mass flow in different gas lines to
determine compressor efficiency or in plant usage for
internal allocation.
Advantages:
• direct mass flow
• flow totalization
• high turndown rates
• easy installation
BOILER
COMBUSTION
Natural Gas
The TA2 measures the inlet air flow to the boiler.
This signal is sent to the DCS where it is used to trim
the natural gas flow.
Advantages:
• mass flow measurement
• repeatable flow signal
• high rangeability
4
A P P L I C A T I O N S
NATURAL
GAS
FLOW
The Model TA2 efficiently measures the flow and
totalized flow of fuel to furnaces, heaters, or boilers.
This data may be used for internal allocation or to
report emission rates.
Air
Natural gas
or propane
Advantages:
• direct mass flow in SCFM
• built-in totalizer
• ease in setup and operation
FLARE
LINES
Measurement of flow in different sections of flare line.
Advantages:
• good low flow sensitivity
• high turndown
• easy removal if cleaning is required
AERATION
AIR
FLOW
Measurement and balance of the flow to each section
of the aeration basin in waste water treatment plants.
Advantages:
• low installation cost
• direct mass flow
• high reliability
DIGESTER
GAS/BIO-GAS
The off gas from a digester contains a mixture of methane and
carbon dioxide saturated with moisture. This is a difficult flow
measurement due to low flow rate and low pressures.
Advantages:
• excellent low flow sensitivity
• high turndown rates
• provides measurement of flow and totalized flow
To engine
or flare
5
T E C H N O L O G Y
THERMATEL Model TA2 flow transmitter measures mass
flow by detecting heat dissipation from a heated surface.
The sensor contains two mass balanced elements with
precision matched RTDs. The reference sensor measures
the process temperature (up to +400° F [+200° C]); the
second RTD measures the temperature of the heated sensor.
The power to the heater is varied to maintain a constant
temperature difference above the reference temperature.
compares the power against the calibration curve and
converts the power requirements to the mass flow rate.
Temperature is also measured to provide temperature
compensation of the mass flow over the operating range
of the instrument.
For further information on thermal mass flow measurement,
request a copy of the MAGNETROL “Thermal Dispersion
Mass Flow Measurement Handbook,” Bulletin 54-621.
There is an inherent non-linear relationship between
power and mass flow. The microprocessor in the TA2
A G E N C Y
A P P R O V A L S
AGENCY
APPROVED MODEL
PROTECTION METHOD
UNITED
STATES
TA2-AXXX-X3X
TA2-AXXX-X4X
with
TXR-XXXX-XXX (probe)
TFT-XXXX-000 (flow body)
Explosion proof
Non-Incendive
CANADA
TA2-AXXX-X3X
TA2-AXXX-X4X
with
TXR-XXXX-XXX (probe)
TFT-XXXX-000 (flow body)
Class I, Div 1, Groups B, C, & D
Class II, Div 1, Groups E, F, & G
Class III, T6 Ta = 160° F, T5 Ta = 175° F
NEMA 4X, IP 66
Class I, Div 2, Groups A, B, C, & D
Class II, Div 2, Groups F & G
Class III, T4 Ta = 160° F
NEMA 4X, IP 66
Class I, Div 1, Groups B, C, & D
Class II, Div 1, Groups E, F, & G
Class III, T6 Ta = 160° F, T5 Ta = 175° F
Type 4X
Class I, Div 2, Groups A, B, C, & D
Class II, Div 2, Groups E, F, & G
Class III, T4 Ta = 160° F, T5 Ta = 175° F
Type 4X
The TXR probe complies with
Canadian Electric Code requirements
of ANSI/ISA 12.27.01-2003 as a
single seal device.
Non Incendive:
ATEX
TA2-AXXX-X3X
TA2-AXXX-X4X
with
TXR-XXX0-XXX (probe)
TFT-XXXX-000 (flow body)
Explosion proof
EN60079-0: 2007
EN60079-1: 2007
TA2-AXXX-XEX
TA2-AXXX-XFX
with
TXR-XXXX-XXX (probe)
TFT-XXXX-000 (flow body)
Ex d Explosion proof
w/IS probe circuit
EN60079-0: 2007
EN60079-1: 2007
EN60079-11: 2007
EN60079-26: 2006
TA2-AXXX-X3X
TA2-AXXX-X4X
Russian Authorization Standards Consult MAGNETROL for Details
ROS TECH/
GOST-R
Note: Maximum surface temperature of the probe is 4° C
above process temperature.
6
Explosion proof
AREA CLASSIFICATION
II 2 G Ex d IIC T6, IP66
II 1/2 G Ex d+ib d{ib} IIC T5/T4 IP66
Approval Pending
These units have been tested to EN 61326 and are
in compliance with the EMC Directive 2004/106/EC.
S P E C I F I C A T I O N S
P E R F O R M A N C E
Flow range maximum
Accuracy flow
Accuracy temperature
Repeatability
Linearity
Turn down
Calibration
Span
Response time
Cable length
SIL
10–50,000 SFPM (0.05–250 Nm/s) air reference to standard conditions
Contact MAGNETROL for other gases
±1% of reading +0.5% of calibrated full scale
±2° F (1° C)
±0.5% of reading
Included in flow accuracy
100:1 typical (depending on calibrated flow range)
NIST traceable
Minimum 0 –100 SFPM
1 to 3 second time constant typical
500 feet (150 m); (see page 11 for cable specifications)
Safe Failure Fraction (SFF) 88.4%
T R A N S M I T T E R
Display
Keypad
Menu Language
Supply voltage
Power consumption
Signal Output
Analog output signal
Active
Passive
Diagnostic Alarm
HART
Pulse Output
Alarm Output
Ambient temperature
Temperature effect
Humidity
Housing Material
Shock Vibration
Two-line alphanumeric LCD, 16 characters per line
Four push button
English, French, German, Spanish, Russian
100 –264 VAC, 50–60 Hz
11.6 – 30 VDC
(11.6 VDC requires integral electronics)
DC = 6.8 watts,
AC = 7 VA typical,
11.9 VA maximum
4–20 mA, HART available (3.8 to 20.5 mA useable —meets NAMUR NE 43)
4–20 mA (isolated) maximum 1000 Ω loop resistance
4–20 mA (isolated) loop resistance dependent on power supply, 11– 36 VDC
3.6 mA, 22 mA, HOLD
Optional
Active Connection — 24 VDC (±10%) Power, 150 mA
Passive Connection — 2.5 to 60 VDC Power, 1.5 AMP
Active Connection — 24 VDC (±10%) Power, 100 mA
Passive Connection — 2.5 to 60 VDC Power, 1 AMP
-40° to +176° F (-40° to +80° C); display not readable below -22° F (-30° C)
Approximately ±0.04% of reading per ° C
99% Non-condensing
Aluminum A356 (<0.2% copper)
ANSI/ISA-S71.03 table 2, level SA1 (Shock), ANSI/ISA-S71.03 table 1, level VC2 (Vibration)
P R O B E
Materials
Process connections
Process Pressure
Temperature rating
F L O W
316/316L stainless steel all welded
Hastelloy® C-276
Refer to model number, hot tap optional
1500 psig @ +70° F (103 bar @ +20° C), 1375 psig @ +400° F (95 bar @ +200° C)
-50° to +400° F (-45° to +200° C)
B O D Y
Materials
Process connections
Pressure rating
Temperature rating
316/316L stainless steel all welded
Carbon steel with stainless steel sensor
NPT or 150-pound flange – Refer to model number
1500 psig @ +70° F (103 bar @ +20° C), 1100 psig @ +400° F (76 bar @ +200° C)
-50° to +400° F (-45° to +200° C)
For operating temperatures between +250° and +400° F (+120° and +200° C), either use remote electronics or a longer length insertion
probe to provide an additional four inches (100 mm) between the electronics and the compression fitting.
7
M O D E L
N U M B E R
Models available for quick shipment, usually within one week after factory
receipt of a complete purchase order, through the Expedite Ship Plan (ESP)
SIGNAL OUTPUT
0
4-20 mA
1
4-20 mA with HART
4
4-20 mA with HART, Pulse/Alarm, second mA Output
DISPLAY
0
B
None
Plug-in display with keypad (with window)
CALIBRATION–INSERTION PROBE CALIBRATION – FLOW BODY
Actual Gas Calibration
0
Special
1
Air
2
Nitrogen
3
Hydrogen
4
Natural Gas
5
Methane
6
Digester Gas
7
Propane
8
Oxygen
Air Equivalency Calibration
9
Air Equivalency
Actual Gas Calibration
A
Special
B
Air
C
Nitrogen
D
Hydrogen
E
Natural Gas
F
Methane
G
Digester Gas
H
Propane
J
Oxygen
Air Equivalency Calibration
K
Air Equivalency
HOUSING LOCATION / AGENCY APPROVAL
3
Integral, general purpose, non-incendive, &
explosion proof FM/FMC (class B, C, & D), ATEX Exd
4
Remote, general purpose, non-incendive, &
explosion proof FM/FMC (class B, C, & D), ATEX Exd
E
Integral, general purpose, ATEX, Ex d + ib
F
Remote, general purpose, ATEX, Ex d + ib
ENCLOSURE TYPE
0
1
T
8
A
2
A
0
Aluminum, 3⁄4" NPT
Aluminum, M20
M O D E L
N U M B E R
I N S E R T I O N
P R O B E
THERMATEL PROBE
TE
TM
Probe length in inches
Probe length in centimeters
PROBE TYPE
R
3
⁄4" diameter probe
MATERIALS OF CONSTRUCTION
A
B
316/316L Stainless Steel
Hastelloy C
PROCESS CONNECTION SIZE
00
Compression Fitting Utilized (customer supplied)
3
03
⁄4" NPT SS compression fitting with Teflon Ferrules
3
04
⁄4" NPT SS compression fitting with Stainless Steel Ferrules
05
1" NPT SS compression fitting with Teflon Ferrules
06
1" NPT SS compression fitting with Stainless Steel Ferrules
3
11
⁄4" NPT
21
1" NPT
22
G1 (1" BSP)
ANSI FLANGES
23
1" 150#
24
1" 300#
33
11⁄2" 150#
34
11⁄2" 300#
43
2" 150#
44
2" 300#
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
raised
raised
raised
raised
raised
raised
face
face
face
face
face
face
flange
flange
flange
flange
flange
flange
DIN FLANGES
BB DN 25
CB DN 40
DA DN 50
DB DN 50
PN
PN
PN
PN
16/25/40
16/25/40
16
25/40
EN
EN
EN
EN
1092-1,
1092-1,
1092-1,
1092-1,
Type
Type
Type
Type
A
A
A
A
PROBE LENGTH
2.6 to 99.9 inches (example 8.5" = 085)
Minimum lengths: 2.6" (026) with threaded process connection
2.8" (028) with flanged process connection
4.5" (045) with compression fitting process
connection
7 to 253 centimeters (example: 18 cm = 018)
Minimum lengths:
7 cm (007) with threaded or flanged process connection
11 cm (011) with compression fitting process connection
The following probes are available through
the Expedite Ship Plan:
TER-A0XA-080
TER-A0XA-180
T
TMR-A0XA-020
TMR-A0XA-046
A
9
M O D E L
F L O W
N U M B E R
B O D Y
MATERIALS OF CONSTRUCTION
All stainless steel
A
1
Carbon steel body with stainless steel sensor
SIZE
0
1
2
3
4
5
6
1
⁄2 inch
⁄4 inch
1 inch
11⁄2 inch
2 inch
3 inch
4 inch
3
PROCESS CONNECTION TYPE
1
NPT Threads (only when Digit 5 = 0, 1, 2, 3, or 4
3
150# Flange
FLOW CONDITIONING PLATE (stainless steel)
A
Not provided
B
Provided (only when Digit 5 = 3, 4, 5, or 6)
T
10
F
T
0
0
0
C O N N E C T I N G
C A B L E
FOR CABLE LENGTHS UP TO 200 FEET
037-3313-XXX (Cable length in feet)—10 feet minimum,
200 feet maximum length
Example: 50 feet = 050
0
3
7
3
3
1
3
FOR CABLE LENGTHS UP TO 60 METERS
037-3314-XXX (Cable length in meters)—3 meters minimum,
60 meters maximum length
Example: 8 meters = 008
0
3
7
3
3
1
4
FOR CABLE LENGTHS BETWEEN 200 AND 500 FEET
037-3319-XXX (Cable length in feet)—10 feet minimum,
500 feet maximum length
Example: 300 feet = 300
0
3
7
3
3
1
9
FOR CABLE LENGTHS BETWEEN 60 AND 150 METERS
037-3320-XXX (Cable length in meters)—3 meters minimum,
150 meters maximum length
Example: 80 meters = 080
0
3
7
3
3
2
0
11
R E T R A C T A B L E
H O T
P R O B E
A S S E M B L Y
T A P
Two methods are offered of removing the probe from
the pipe without having to shut down the process. The
Hot Tap Retractable Probe Assembly (RPA) is designed
to meet API (American Petroleum Institute) standards.
The less demanding valve and compression fitting (part
number 089-5218-001) will have some minor leakage
when the probe is removed or re-inserted and does not
have the safety cable to prevent “blow out” of the
probe when removed under pressure.
RPA requires a probe with 3⁄4" NPT process connection
(code 11).
The valve with compression fitting uses a 1" NPT connection while the RPA uses a 11⁄2" NPT connection.
High Pressure
Low Pressure
089-5218-001
BASIC MODEL NUMBER
RPA
Retractable probe assembly
DESIGN TYPE
5
6
E
F
Low pressure (up to 80 psi, 5.5 bar), length in tenths of an inch
High pressure (up to 300# class service), length in tenths of an inch
Low pressure (up to 80 psi, 5.5 bar), length in centimeters
High pressure (up to 300# class service), length in centimeters
MATERIALS OF CONSTRUCTION
1
4
Carbon steel (available on flange and high pressure units).
Seal gland is 316 stainless steel.
316 stainless steel
PROCESS CONNECTION
0
11⁄2" NPT
1
11⁄2" 150# flange
2
11⁄2" 300# flange
BALL VALVE
0
None
1
Carbon steel
2
Stainless steel
PROBE LENGTH
10 to 99.9 inches (example: 12" = 120)
25 to 253 centimeters (example: 30 cm = 030)
1000
900
Pressure (psig)
800
700
600
500
400
300
200
R
P
A
100
0
0
100
200
300
Temperature F
150 lb. flange
12
400
500
Threaded or
300 lb. flange
D I M E N S I O N A L
H O T
T A P
—
S P E C I F I C A T I O N S
i n c h e s
( m m )
S Dimension
Threaded conn. 4.0 (102)
Flanged conn.
5.0 (127)
Retaining bar
Adjustment
rods
Seal
nut
Adjustment
nuts
Safety cable
T
Seal nut
S
11/2" NPT
*Dimension of ball valve if
supplied by MAGNETROL.
Ball valve
V
V
X
X
Ball valve
Dimension V:
Ball valve dimension
(see chart)
Customer
connection
Customer
connection
Vessel wall
Vessel wall
Y
Y
Hot Tap
Model RPA-5402-XXX
Minimum Probe Length
= S+X+Y
Hot Tap
Model RPA-6X12-XXX
Minimum Probe Length:
T = 2(X+Y)
I N T E G R A L
M O U N T
4.49 (114)
3/4"
NPT
or M20
connection
Dimension X:
Length from wall to
top of ball valve
Dimension Y:
Insertion length into pipe
—
i n c h e s
A
B
Valve with
Compression Fitting (0895218-001)
( m m )
Optional
compression
fitting
C
Pipe
centerline
" or 1" NPT
recommended
Insertion
Length
Insertion
Length
BSP (G1)
Insertion
Length
NPT
Insertion
Length
1" (25 mm)
∅ .75 (19)
Integral Mount Model TA2
Front and Side Views
Process
Conn. Size
Height
C
1" NPT
3.1 (79)
011-4719-009
(100 psi maximum)
011-4719-007
(1500 psi maximum)
3
2.6 (66)
011-4719-008
(100 psi maximum)
011-4719-006
(1500 psi maximum)
⁄4" NPT
8.00 Typical
(200)
1" NPT
customer
supplied
5.18
(132)
6.69
(170)
Typical height
when compression
fitting is used with
half coupling or
threadolet
Ball Valve Dimensions*
Size
V
11⁄2" NPT
4.4 (112)
11⁄2" 150# flange
6.5 (165)
11⁄2" 300# flange
7.5 (191)
Compression fitting
Teflon ferrules
Stainless steel ferrules
TXR with
Threaded Connection
∅ .75 (19)
TXR with
Flanged Connection
Dimension A:
3.33 (85) without display
3.88 (99) with display
Dimension B:
3.88 (98)
13
D I M E N S I O N A L
R E M O T E
M O U N T
S P E C I F I C A T I O N S
—
i n c h e s
( m m )
4.00
(102)
4.49 (114)
¾" NPT
or M20
3.72
(94)
6.50
(165)
2.75
(70)
2 Holes
.38 (10) dia.
Insertion
length
3.00
(76)
2.00
(51)
3.50
(89)
¾" NPT
or M20
Transducer
Cable Connector
3.75
(95)
3/4"
(19)
Remote Mount Model TA2
F L O W
B O D Y
—
s e e
c h a r t
a t
r i g h t
A
A
B
B
L1
L
L1
L
Pressure Drop
Pressure Drop with Flow Conditioning Plate
Flow Rate – Nm3/hr
100
½" ¾" 1"
10
5
1
0.5
1½" 2"
5000 10000
3" 4"
5
1000
1000
500
500
Pressure Drop – millibar
100
50
Flow Rate – Nm3/hr
500 1000
100
10
5
5
1
0.1
100
50
50
10
10
50
100
500 1000
1½" 2"
1
0.5
3" 4"
1000
500
10
5
100
50
1000
500
1
10000
5000
10
5
Flow Rate – SCFM
100
50
1000
500
Flow Rate – SCFM
Pressure drop is based on air at +70° F and 1 atmosphere (density = 0.075 lb/ft ). For other gases, pressure or temperatures,
estimate pressure drop by multiplying value from chart by actual density (at operating conditions) divided by 0.075.
3
100
50
10
5
1
0.1
1
14
5000 10000
Pressure Drop – millibar
50
Pressure Drop – inches of water
1000
500
10
Pressure Drop – inches of water
5
10000
5000
F L O W
B O D Y
S I Z I N G
The following table is a general guide on flow sizing. Contact factory or your local
representative for specific application information.
Code
Natural Gas,
Digester Gas
Methane
Size
Air, N2, O2
⁄2"
85 SCFM
145 Nm3/h
60 SCFM
100 Nm3/h
Hydrogen
CO2, Argon
60 SCFM
100 Nm3/h
30 SCFM
50 Nm3/h
20 SCFM
35 Nm3/h
80 SCFM
140 Nm3/h
0
1
1
3
⁄4"
162 SCFM
275 Nm3/h
115 SCFM
195 Nm3/h
115 SCFM
195 Nm3/h
55 SCFM
95 Nm3/h
40 SCFM
70 Nm3/h
150 SCFM
250 Nm3/h
2
1"
270 SCFM
459 Nm3/h
190 SCFM
320 Nm3/h
190 SCFM
320 Nm3/h
95 SCFM
160 Nm3/h
65 SCFM
115 Nm3/h
250 SCFM
435 Nm3/h
3
11⁄2"
660 SCFM
1120 Nm3/h
460 SCFM
780 Nm3/h
460 SCFM
780 Nm3/h
230 SCFM
390 Nm3/h
160 SCFM
275 Nm3/h
625 SCFM
1060 Nm3/h
4
2"
965 SCFM
1640 Nm3/h
680 SCFM
1160 Nm3/h
680 SCFM
1160 Nm3/h
350 SCFM
600 Nm3/h
265 SCFM
450 Nm3/h
920 SCFM
1560 Nm3/h
5
3"
2700 SCFM
4580 Nm3/h
1890 SCFM
3210 Nm3/h
1890 SCFM
3210 Nm3/h
690 SCFM
1170 Nm3/h
730 SCFM
1230 Nm3/h
2560 SCFM
4360 Nm3/h
6
4"
4860 SCFM
8260 Nm3/h
3400 SCFM
5780 Nm3/h
3400 SCFM
5780 Nm3/h
1230 SCFM
2090 Nm3/h
1310 SCFM
2200 Nm3/h
4620 SCFM
7845 Nm3/h
F L O W
B O D Y
i n c h e s
( m m )
D I M E N S I O N S
Length (L)
Code
Propane
C H A R T
L1
Height to
Size
Centerline
With Flow Without Flow With Flow
Without Flow
(A)
Conditioning Conditioning Conditioning Conditioning
0
1
1
3
Overall Height (B)
NPT
Flange
⁄2"
8 (203)
—
5 (127)
—
8.0 (203)
8.4 (213)
9.7 (246)
⁄4"
11.25 (285)
—
7.5 (190)
—
8.0 (203)
8.5 (216)
9.9 (251)
2
1"
15 (381)
—
10 (254)
—
8.0 (203)
8.6 (218)
10.1 (257)
3
11⁄2"
19.5 (495)
7.5 (191)
12 (305)
3.75 (95)
8.3 (210)
9.2 (234)
10.8 (274)
4
2"
26 (660)
7.5 (191)
16 (406)
3.75 (95)
9.5 (241)
10.7 (272)
12.5 (318)
5
3"
39 (991)
10 (254)
24 (610)
5 (127)
9.5 (241)
N/A
13.3 (338)
6
4"
52 (1321)
12 (305)
36 (914)
6 (152)
9.5 (241)
N/A
14.0 (356)
Flow conditioning on 1⁄2" to 1" is provided due to length of flow body and sensor design.
Optional flow conditioning plate is available on flow bodies 11⁄2" and larger.
15
Q U A L I T Y
The quality assurance system in place at
MAGNETROL guarantees the highest level
of quality throughout the company.
MAGNETROL is committed to providing full
customer satisfaction both in quality products and quality service.
The MAGNETROL quality assurance system
is registered to ISO 9001 affirming its
commitment to known international quality
standards providing the strongest assurance
of product/service quality available.
Several TA2 Models are available for quick
shipment, usually within one week after
factory receipt of a purchase order, through
the Expedite Ship Plan (ESP).
ESP service may not apply to orders of ten
units or more. Contact your local representative for lead times on larger volume orders,
as well as other products and options.
E S P
Expedite
Ship
Plan
W A R R A N T Y
All MAGNETROL electronic level and flow
controls are warranted free of defects in
materials or workmanship for one full year
from the date of original factory shipment.
If returned within the warranty period; and,
upon factory inspection of the control, the
cause of the claim is determined to be covered under the warranty; then, MAGNETROL
will repair or replace the control at no cost
to the purchaser (or owner) other than
transportation.
MAGNETROL shall not be liable for misapplication, labor claims, direct or consequential damage or expense arising from the
instal-lation or use of equipment. There are
no other warranties expressed or implied,
except special written warranties covering
some MAGNETROL products.
Additional information
The following additional THERMATEL literature is available from your local representative:
54-631
54-100
54-105
54-110
54-131
54-210
54-621
THERMATEL Model TA2 Mass Flow Transmitter Instruction Manual and Parts List
THERMATEL Technology brochure
THERMATEL TG1 Flow and Level Switch sales literature
THERMATEL Model TD1/TD2 Thermal Dispersion Flow and Level Switch sales literature
THERMATEL Model TA2 Probe location literature
Thermal Dispersion Mass Flow Meter Applications
Thermal Dispersion Mass Flow Measurement Handbook
5300 Belmont Road • Downers Grove, Illinois 60515-4499 • 630-969-4000 • Fax 630-969-9489 • www.magnetrol.com
145 Jardin Drive, Units 1 & 2 • Concord, Ontario Canada L4K 1X7 • 905-738-9600 • Fax 905-738-1306
Heikensstraat 6 • B 9240 Zele, Belgium • 052 45.11.11 • Fax 052 45.09.93
Regent Business Ctr., Jubilee Rd. • Burgess Hill, Sussex RH15 9TL U.K. • 01444-871313 • Fax 01444-871317
Copyright © 2011 MAGNETROL INTERNATIONAL, INCORPORATED. All rights reserved. Printed in the USA.
Performance specifications are effective with date of issue and are subject to change without notice.
MAGNETROL, MAGNETROL logotype and THERMATEL are registered trademarks of MAGNETROL INTERNATIONAL, INCORPORATED.
CSA logotype is a registered trademark of Canadian Standards Association
HART is a registered trademark of the HART Communication Foundation
Hastelloy is a registered trademark of Haynes International, Inc.
BULLETIN: 54-140.0
EFFECTIVE: January 2011