Model T7500 I/P or E/P Transducer
Features
•
•
•
•
•
•
•
•
•
•
The T7500 Series Transducers provide maximum versatility for
precision low pressure applications.
Field Reversible Feature provides output that is inversely
proportional to input signal.
RFI/EMI Protection eliminates susceptibility to electromagnetic
and radio interference.
Internal Electronic Feedback and solid state controlled
Piezoelectric Actuator provides precise control of output pressure regardless of vibration or position.
Damping Adjustment for optimum tuning response.
Unaffected by vibration or mounting orientation.
Compact size for use in restricted spaces.
Various mounting configurations allow installation flexibility for
most applications.
NEMA 4X, Type 4 Enclosure and IP65 rated for indoor and
outdoor installations.
All T7500 products are ROHS compliant.
Ordering Information
Catalog Number
Electrical Connection:
T
75
1/2” NPT Conduit w/pigtail …… A
EN 175301-803………………… D
Terminal Block ………………… T
Main Valve:
3 scfm valve…………….……………… 01
7 scfm valve…………….……………… 02
Input:
0-10 VDC …………….…………………… 0
4-20 mA …… … … … …… ….…………… 4
0-5 VDC…… … …… ……………………… 7
Output:
0-2.5 PSIG ……..…. ….………………………… 01
0-5 PSIG ………………………………………… 02
0-7.5 PSIG ……………………………………… 03
0-15 PSIG ……………………………………… 04
0-0.17 Bar………………………………………… 11
0-0.35 Bar ……………………………………… 12
0-0.5 Bar ………………………………………… 13
0-1 Bar………………………………………… … 14
0-17 kPa ………………………………………… 21
0-35 kPa ………………………………………… 22
0-50 kPa ………………………………………… 23
0-100 kPa………………………………………… 24
Operating Principles
The T7500 series low pressure transducer converts DC electronic input
signal to a proportional low pressure pneumatic output. The transducer
employs electronic closed loop feedback in conjunction with a piezoceramic actuator flapper nozzle system in the pilot stage to control the
signal pressure of an integral pneumatic volume booster. The volume
booster employs a highly sensitive control diaphragm and main valve to
accurately control the flow of air to the downstream system in response
to the pressure received from the pilot stage. The electronic closed loop
feedback senses the output pressure of the volume booster directly to
affect the ultimate in accurate pressure control.
Port Thread:
NPTF …..…….….….….………….….……………… N
BSPT …..…….….….….………….….……………… U
800-334-8422
www.fairchildproducts.com
25/64"
9.8
25/32"
19.7
Model T7500 I/P or E/P Transducer
Model TT7500
FIDENTIAL
ED IN THIS
ERTY OF
UCTS CO.
T OR AS A
N PERMISSION
ODUCTS CO.
90°
Alternating
Positions
3 23/32"
94.5
1/4-18 NPTF or
1/4-19 BSPT
Inlet & Outlet
1/4-18 NPTF or
1/4-19 BSPT
Inlet & Outlet
Model TA7500
Vent
3 5/32"
80.2
2.88
73.2
Mounting Kits
3
REV.
2 1/4"
57.2
2
2
REVISIONS
DESCRIPTION
REV.
REVISIONS
DFT
DATE
EC
90° DESCRIPTION
Alternating
Positions
0.75
19.1
C
APPR
EC
DFT
1 11/64"
29.8
DATE
2.05
0.6152.1
0.82 15.6
20.9
0.26
APPR
0.75
19.1
25.4
52.1
0.59
14.9
B
0.61
15.6
38.7
D
3 23/32"
94.5
4.86
123.4
1 23/32"
43.8
21/32"
16.6
1.00 Kit: 16799-1 1 33/64"
Mounting
2 7/16" 6.6
61.9
DIN
EN-50022
1/4-18 NPTF or
1/4-19
BSPT
2.05
Inlet 52.1
& Outlet2.05
2.05
52.1
0.59
14.9
2.25
57.2
25/64"
9.8
0.63
15.9
1 7/32"
DIN
31.1
EN-50022 DIN
EN-50045
DIN
EN-50045DIN
EN-50035
1/4-18 NPTF or
1/4-19 BSPT
2.05
Inlet
52.1 & Outlet
1.00
25.4
1
D
DIN
EN-50035
0.82
20.9
25/32"
19.7
1
Mounting Kit: 16893
3 9/64"
79.6
6
10-32
Screws for
Mounting
0.38
9.7
D
3
1/4-1
1/
In
1/2"
1/4-18 NPTF or
1/4-18 NPTF or
1/4-19 BSPT
1/4-19 BSPT
Inlet & Outlet
Inlet & Outlet
Note: Unused IN and OUT
Ports are plugged (typical)
4
1 23/32"
43.8
1.5012.7
38.1
Use two
2 3/64"
52.1
4
2 7/16"
61.9
3 23/32"
94.5
7
1"
25.4
1/2-14
NPTF
3 23/32"
94.5
1 11/64"
29.8
1/4-18 NPTF or
1/4-19 BSPT
Inlet & Outlet
8
3 3/64"
77.6
1 33/64"
38.7
5
25/64"
9.8
25/32"
19.7
1 7/32"
31.1
3 9/64"
79.6
3 3/8"
85.7
1/4-18 NPTF or
1/4-19 BSPT
Inlet & Outlet
2 1/4"
57.2
Model TD7500
21/32"
16.6
1 33/64"
38.7
16"
9
07282
1/4-18 NPTF or
1/4-18 NPTF or
1/4-19 BSPT
1/4-19 BSPT
Inlet & Outlet
Inlet & Outlet
Note: Unused IN and OUT
Ports are plugged (typical)
4.13
104.9
2.05
52.1
3 3/8"
85.7
Use two
1/4-18 NPTF or
1/4"-20 1/4-19 BSPT
Screws Inlet
for & Outlet
Mounting
(not included
in mounting kit)
C
1/4-18 NPTF or
1/4-19 BSPT
Inlet & Outlet
2.43
61.7
C
0.28
7.1
0.30
7.5
Mounting Kit: 19254-1
2.81
71.4
0.62
15.8
2.81
71.4
0.62
15.8
A
B
CAG
B
PROPR
0.50
12.7
2.05
52.1
2.05
52.1
THE INFORM
DRAWING
FAIRCHILD
ANY REPRO
WHOLE WIT
OF FAIRCH
IS PROHIBIT
7
8
-
-
-
-
-
-
-
-
-
CAGE Code 07282
-
-
UNLESS OTHERWISE SPECIFIED:
DIMENSIONS ARE IN -INCHES
TOLERANCES:
FRACTIONAL 1/64
ANGULAR: MACH 0.5
BEND 0.5
TWO PLACE DECIMAL
0.010
THREE PLACE DECIMAL
0.005
-
-
MATERIAL
-
-
PROPRIETARY AND CONFIDENTIAL
-
-
-
-
DRAWING IS THE SOLE PROPERTY OF
FAIRCHILD
INDUSTRIAL PRODUCTS
CO.ON
NEXT ASSY
USED
ANY REPRODUCTION IN PART OR AS A
WHOLE WITHOUT THE WRITTEN PERMISSION
OF FAIRCHILD INDUSTRIAL
PRODUCTS CO.
APPLICATION
IS PROHIBITED.
5
4
FINISH 63
NEXT ASSY
ENG
COMMENTS:
MATERIAL
SW MASTER
- MODEL
-
- THE INFORMATION CONTAINED
IN THIS
DRAWN
DO NOT SCALE DRAWING
APPLICATION
FINISH
DATE
NAME
FAIRCHILD
INDUSTRIAL PRODUCTS COMPANY
1/1/2014
_
1/1/2014
_
ENG APPR. 1/1/2014
_
TITLE:
CHECKED
COMMENTS:
SW MASTER MODEL
SIZE
USED ON
4 3
NAME
UNLESSDATE
OTHERWISE SPECIFIED:
DIMENSIONS
ARE IN INCHES
1/1/2014
_
TOLERANCES:
FRACTIONAL 1/64
0.5 _
BEND 0.5
APPR.
TWO 1/1/2014
PLACE DECIMAL _0.010
THREE PLACE DECIMAL 0.005
DRAWN
CHECKEDANGULAR:
1/1/2014
MACH
B
63
PRODUCT DO
LINE
CODE:
_
NOT
SCALE DRAWING
3
2
FAIRCHILD
3920 WEST POINT BLVD.
® WINSTON-SALEM, NC
INDUSTRIAL PRODUCTS COMPANY
TITLE:
3920 WEST POINT BLVD.
® WINSTON-SALEM, NC
A
-
A
-
DWG. NO.
SIZE
B
REV NO.
DWG.
REV
T7500 WITH MNTG. dev
BRKTS
T7500 WITH MNTG. dev
BRKTS
WEIGHT
SCALE: 1:2
PRODUCT
LINE CODE:
_
0
2
SHEET1:2
1 OF WEIGHT
1
0
SCALE:
1
6
SHEET 1 OF 1
1
800-334-8422
www.fairchildproducts.com
Model T7500 I/P or E/P Transducer
Common Specifications
Control Signal
4-20 mA DC, 0-10 VDC, 0-5 VDC
Supply Pressure
psig
20-30
[BAR]
[1.4-2.0]
(kPa)
(140-200)
Required Operating Voltages
Two Wire Current Input 8.2 VDC @ 20 mA (4-20 mA signal)
Supply Voltages
Three Wire Voltage Input 7.2 -30 VDC, less than 3 mA
Signal Input Impedance
Three Wire Voltage Input 10 KOHMS
Accuracy (ISA S51.1)
0.25% Full Scale Guaranteed
0.15% Full Scale Typical
Hysteresis (ISA S51.1)
0.1% Full Scale
Repeatability (ISA S51.1)
0.1% Full Scale
Deadband
0.02% Full Scale
Position Effect
No Measurable Effect
Vibration Effect
Less than +1% of Span under the following conditions: 5-15 Hz @ 0.8 inches constant
displacement, 15-500 Hz @ 10 Gs
Reverse Polarity Protection
No damage occurs from reversal of normal supply current (4-20 mA) or from
misapplication of up to 60 mA
RFI/EMI Effect
Less than 0.5% of span EMC Directive 2004/108/EC per European norms EN
61326-2006 for industrial locations
Supply Pressure Effect
No Measurable Effect
Temperature Effect
[+0.5% +0.04% / °F Temperature Change] of Span typical
Materials of Construction
Body and Housing …………………………………… Chromate Treated Aluminum
Orifice ……………………………………………… Nickel Plated Brass & Sapphire
Trim ……………………………………… Stainless Steel, Brass, & Zinc Plated Steel
Elastomers …………………………………………………………………… Nitrile
Finish ………………………………………………………… Epoxy Powder Coating
Temperature Range
Operating -40°F to + 160°F (-40°C to + 71.2°C)
Storage -40°F to + 160°F (-40°C to + 71.2°C)
Valve Dependent Specifications
Valve Model
T7501
T7502
Forward Flow Capacity
(SCFM)
3.0 (5.1 m /HR) @
30 psig, [2 BAR],
(200 kPa) supply &
5 psig, [350 mBAR],
(35 kPa) Output
7.0 (11.9 m3/HR) @
30 psig, [2 BAR],
(200 kPa) supply &
5 psig, [1 BAR],
(35 kPa) Output
Exhaust Flow Capacity
-1.8 scfm @ Po = 15 psig
-1.8 scfm @ Po = 15 psig
3
Pressure Dependent Specifications
Output Pressure Range
0-2.5 psig
0-5 psig
0-7.5 psig
0-15 psig
psig
[BAR]
(kPa)
1
[0.07]
(7)
2
[0.14]
(14)
3
[0.21]
(21)
6
[0.41]
(41)
Max Air Consumption
Ps = 30 psig
SCFH
( m3/HR)
3.1
(0.09m3/HR)
3.5
(0.10 m3/HR)
3.8
(0.11m3/HR)
4.7
(0.13m3/HR)
Frequency Response per
ISA S26.4.3.1
Load Configuration A
T7501
-3 db @ 2 Hz
-3 db @ 1 Hz
Frequency Response per
ISA S26.4.3.1
Load Configuration A
T7502
-3 db @ 5 Hz
-3 db @ 1.3 Hz
Minimum Span
Maximum Permissible
Output Pressure
psig
[BAR]
(kPa)
6
[0.41]
(41)
6
[0.41]
(41)
17
[1.17]
(117)
17
[1.17]
(117)
800-334-8422
www.fairchildproducts.com
Po p
Model T7500 I/P or E/P Transducer
3
2
1
0
-1
0
1
2
Q scfm
Rotork Fairchild T7501 Series Transducer
Flow Characteristics
Rotork Fairchild T7501 Series Transducer
Flow Characteristics
6
20
5
Rotork Fairchild T7502 Series Transducer
Flow Characteristics
15
6
Po psig
Po psig
4
3
5
10
4
Po psig
2
1
0
-1
0
1
2
Q scfm
5
3
20
-2
3
Ps = 30.00 psig
-1
0
1
0
-1
0
1
2
3
4
5
Rotork Fairchild T7502 Series Transducer
Flow Characteristics
3
6
7
8
Ps = 30.00 psig
Q scfm
20
15
2
Ps = 30.00 psig
Q scfm
1
Rotork Fairchild T7501 Series Transducer
Flow Characteristics
Rotork Fairchild T7502 Series Transducer
Flow Characteristics
6
Po psig
3
Ps = 30.00 psig
20
5
10
15
5
Po psig
Po psig
4
3
20
-2
-1
0
2
-1
0
1
2
3
Q scfm
3
5
Ps = 30.00 psig
Q scfm
1
0
1
4
5
6
7
Ps = 30.00 psig
10
8
0
-2
-1
0
1
2
3
Q scfm
4
5
6
7
8
Ps = 30.00 psig
Rotork Fairchild T7502 Series Transducer
Flow Characteristics
20
Po psig
15
10
800-334-8422
www.fairchildproducts.com