Brooks MT 3809 User manual

Models MT 3809 & 3819
Installation and Operation Manual
X-VA-MT3809-3819-eng
Part Number: 541B049AHG
September, 2008 5
Brooks®Model MT 3809 and 3819
Metal Tube Variable Area Flowmeters
with Optional Electronics Based on Smart Meter ManagerTM
Technology
Model MT 3809

Models MT 3809 & 3819
Installation and Operation Manual
X-VA-MT3809-3819-eng
Part Number: 541B049AHG
September, 2008
ESD (Electrostatic Discharge)
Essential Instructions
Read this page before proceeding!
Brooks Instrument designs, manufactures and tests its products to meet many national and international standards. Because
these instruments are sophisticated technical products, you must properly install, use and maintain them to ensure they
continue to operate within their normal specifications. The following instructions must be adhered to and integrated into your
safety program when installing, using and maintaining Brooks Products.
• Read all instructions prior to installing, operating and servicing the product. If this instruction manual is not the correct
manual, please see back cover for local sales office contact information. Save this instruction manual for future reference.
• If you do not understand any of the instructions, contact your Brooks Instrument representative for clarification.
• Follow all warnings, cautions and instructions marked on and supplied with the product.
• Inform and educate your personnel in the proper installation, operation and maintenance of the product.
• Install your equipment as specified in the installation instructions of the appropriate instruction manual and per applicable
local and national codes. Connect all products to the proper electrical and pressure sources.
• To ensure proper performance, use qualified personnel to install, operate, update, program and maintain the product.
• When replacement parts are required, ensure that qualified people use replacement parts specified by Brooks Instrument.
Unauthorized parts and procedures can affect the product's performance and place the safe operation of your process at
risk. Look-alike substitutions may result in fire, electrical hazards or improper operation.
• Ensure that all equipment doors are closed and protective covers are in place, except when maintenance is being
performed by qualified persons, to prevent electrical shock and personal injury.
Pressure Equipment Directive (PED)
All pressure equipment with an internal pressure greater than 0.5 bar (g) and a size larger than 25mm or 1" (inch) falls under the
Pressure Equipment Directive (PED). The Directive is applicable within the European Economic Area (EU plus Norway, Iceland
and Liechtenstein). Pressure equipment can be traded freely within this area once the PED has been complied with.
• Section 1 of this manual contains important safety and operating instructions related to the PED directive.
• Meters described in this manual are in compliance with EN directive 97/23/EC module H Conformity Assessment.
• All Brooks Instrument Flowmeters fall under fluid group 1.
• Meters larger than 25mm or 1" (inch) are in compliance with category I, II, III of PED.
• Meters of 25mm or 1" (inch) or smaller are Sound Engineering Practice (SEP).
HandlingProcedure:
1. Power to unit must be removed.
2. Personnel must be grounded, via a wrist strap or other safe, suitable means before any printed circuit card or other internal
device is installed, removed or adjusted.
3. Printed circuit cards must be transported in a conductive container. Boards must not be removed from protective enclosure
until immediately before installation. Removed boards must immediately be placed in protective container for transport,
storage or return to factory.
Comments
This instrument is not unique in its content of ESD (electrostatic discharge) sensitive components. Most modern electronic
designs contain components that utilize metal oxide technology (NMOS, SMOS, etc.). Experience has proven that even small
amounts of static electricity can damage or destroy these devices. Damaged components, even though they appear to function
properly, exhibit early failure.

Models MT 3809 & 3819
Installation and Operation Manual
X-VA-MT3809-3819-eng
Part Number: 541B049AHG
September, 2008
Dear Customer,
We appreciate this opportunity to service your flow measurement and control requirements with a Brooks
Instrument device. Every day, flow customers all over the world turn to Brooks Instrument for solutions to their
gas and liquid low-flow applications. Brooks provides an array of flow measurement and control products for
various industries from biopharmaceuticals, oil and gas, fuel cell research and chemicals, to medical devices,
analytical instrumentation, semiconductor manufacturing, and more.
The Brooks product you have just received is of the highest quality available, offering superior performance,
reliability and value to the user. It is designed with the ever changing process conditions, accuracy requirements
and hostile process environments in mind to provide you with a lifetime of dependable service.
We recommend that you read this manual in its entirety. Should you require any additional information
concerning Brooks products and services, please contact your local Brooks Sales and Service Office listed on the
back cover of this manual or visit www.BrooksInstrument.com
Yours sincerely,
Brooks Instrument

Models MT 3809 & 3819
Installation and Operation Manual
X-VA-MT3809-3819-eng
Part Number: 541B049AHG
September, 2008
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i
Models MT 3809 & 3819
ContentsInstallation and Operation Manual
X-VA-MT3809-3819-eng
Part Number: 541B049AHG
September, 2008
Section 1 Introduction
Paragraph Page
Number Number
1-1 Description ....................................................................................................................................... 1-1
1-2 Design Features ...............................................................................................................................1-1
1-3 Specifications - Meter....................................................................................................................... 1-1
1-4 OptionalAccessories........................................................................................................................ 1-7
1-5 Optional Electronic Equipment ......................................................................................................... 1-7
1-6 Microprocessor Transmitter With or Without Alarms and Pulse Output
Based on Brooks Smart Meter Management Technology ................................................................1-7
1-7 Microprocessor Transmitter With InductiveAlarms ......................................................................... 1-16
1-8 InductiveAlarm Switches ................................................................................................................ 1-18
Section 2 Installation
2-1 General............................................................................................................................................. 2-1
2-2 Receipt of Equipment ....................................................................................................................... 2-1
2-3 Recommended Storage Practice...................................................................................................... 2-1
2-4 Return Shipment .............................................................................................................................. 2-2
2-5 Transit Precautions .......................................................................................................................... 2-2
2-6 Removal from Storage......................................................................................................................2-2
2-7 Installation of Flowmeter .................................................................................................................. 2-3
2-8 Installation of Models Model MT 3809 and MT 3819 Flowmeters with a Smart Meter Manager
Transmitter with or without OptionalAlarms and Pulse Output ........................................................ 2-4
2-9 Installation of Models Model MT 3809 and MT 3819 Flowmeters with a Smart Meter Manager
Transmitter with Inductive Alarms (1 or 2 Switches)........................................................................ 2-10
2-10 Installation of Models Model MT 3809 and MT 3819 Flowmeters with InductiveAlarms
(1 or 2 Switches) ............................................................................................................................. 2-10
Section 3 Operation
3-1 Pre-Start Check ................................................................................................................................ 3-1
3-2 Start-Up and Operation of Flowmeter............................................................................................... 3-1
3-3 Operation of Models Model MT 3809 and MT 3819 Flowmeters with a Smart Meter Manager
Transmitter with or without OptionalAlarms and Pulse Output for Totalization ................................ 3-2
3-4 Operation of Models Model MT 3809 and MT 3819 Flowmeters with a Smart Meter Manager
Transmitter with Inductive Alarms (1 or 2 Switches)........................................................................ 3-13
3-5 Operation of Models Model MT 3809 and MT 3819 Flowmeters with
with InductiveAlarms (1 or 2 Switches)........................................................................................... 3-13
Section 4 Maintenance
4-1 General Service Information.............................................................................................................4-1
4-2a Meter Float Replacement and Cleaning (MT 3809).......................................................................... 4-2
4-2b Meter Float Replacement and Cleaning (MT 3819).......................................................................... 4-8
4-3 Meter Indicator Reference Mark (Zero)Adjustment .........................................................................4-8
4-4 Smart Meter ManagerTransmitter Replacement with or withoutAlarms and Pulse Output.............4-8
4-5 InductiveAlarm Replacement........................................................................................................... 4-8
4-6 SMM Transmitter Replacement with Inductive Alarms .................................................................... 4-10
4-7 Monitoring the Integrity of the SMM Electronics - DiagnosticsAlarms ............................................ 4-10
Section A CE Certification
CE Certification of Mass Flow Equipment ........................................................................................A-1
Warranty, Local Sales/Service Contact Information....................................................................... Back Cover

ii
Models MT 3809 & 3819
Contents Installation and Operation Manual
X-VA-MT3809-3819-eng
Part Number: 541B049AHG
September, 2008
Figures
Figure Page
Number Number
1-1 Models MT 3809 and MT 3819 Dimensions.....................................................................................1-6
1-2 Power Supply vs. Maximum Load Resistance ................................................................................. 1-9
1-3 Transmitter Only Wiring Diagram .................................................................................................... 1-11
1-4 Transmitter Only Wiring Notes ........................................................................................................ 1-12
1-5 Transmitter with Alarm and Pulse Outputs Wiring Diagram ............................................................ 1-13
1-6 Transmitter with Alarm and Pulse Outputs Wiring Notes ................................................................ 1-14
1-7 Model MT3809 Explosion-Proof Housing Wiring Diagram .............................................................. 1-15
1-8 Transmitter with Inductive Alarm Wiring Diagram ........................................................................... 1-16
1-9 Transmitter with Inductive Alarm Wiring Notes................................................................................1-17
1-10 Inductive Alarms Only Wiring Diagram............................................................................................ 1-20
1-11 InductiveAlarms Only Wiring Notes ................................................................................................ 1-21
2-1 Typical Bypass Installation................................................................................................................2-3
2-2 Smart Meter Manager Electrical Configuration................................................................................. 2-5
2-3 Typical SMM Transmitter Analog Output and Power Wiring.............................................................2-5
2-4 Alternate SMM Transmitter Analog Output and Power Wiring (Where 4-20 mA is not required) ..... 2-6
2-5 Multi-drop SMM Transmitter Analog Output and Power Wiring ........................................................2-6
2-6 Typical SMM Transmitter with Alarms and Pulse Digital Output and Power Wiring.......................... 2-8
3-1 Models MT 3809 and MT 3819 SMM Electronics Device Description Tree (Basic Setup) ............... 3-3
3-2 Models MT 3809 and MT 3819 SMM Electronics Device Description Tree (Detailed Setup) ........... 3-4
3-3 HART Communicator ....................................................................................................................... 3-5
3-4 Typical HART Communicator Interface ............................................................................................ 3-5
3-5 HART Communicator Action / Hot Keys ...........................................................................................3-6
3-6 HART LCD ....................................................................................................................................... 3-6
4-1 Meter Float Replacement & Cleaning (Model MT 3809) .................................................................. 4-6
4-2 Exploded View, Model MT 3809, Size 15 (Gas or Liquid Service)....................................................4-7
4-3 Exploded View, Model MT 3809, Size 16 (Liquid Service Only) .......................................................4-7
4-4 Meter Float Replacement & Cleaning (Model MT 3819) .................................................................. 4-9
Tables
Table Page
Number Number
1-1A Model MT 3809 Capacities, Pressure Drop and Viscosity Immunity Ceiling .................................... 1-4
1-1B Model MT 3819 (Tefzel Lined)Capacities and Pressure Drop ..........................................................1-4
1-2 Model MT 3809 Pressure Ratings*................................................................................................... 1-5
1-3 Maximum Fluid Temperatures at 104oF (40oC) Ambient .................................................................. 1-5

1-1
Section 1 Introduction
Models MT 3809 & 3819
Installation and Operation Manual
X-VA-MT3809-3819-eng
Part Number: 541B049AHG
September, 2008
1-1 Description
The Brooks®Models MT 3809 and MT 3819 VariableArea Flowmeters are
rugged, all metal flowmeters offering 2% full scale accuracy. The Model MT
3809 is constructed with stainless steel components for measuring a
variety of gas, liquid and steam applications while the Model MT 3819
utilizes a ETFE (Tefzel™) lining for aggressive liquid and gas applications.
Flow rate indication is provided by means of magnetic coupling where a
magnet, encapsulated in the float, is coupled to a rotatable magnet located
in the rear of the indicator, thus turning the dial indicator mounted on the
meter.
Optional accessories available include 4-20 mAoutput with HART
microprocessor transmitter with or without configurable alarms and pulse
output for totalization. The microprocessor electronics are based on the
proprietary Smart Meter Manager technology utilized as the basis for an
array of Brooks products.
Also available are front adjustable inductive alarms, high temperature or
stainless steel indicator housings, valves, sight flows, flow controllers and
material certifications.
1-2 Design Features
• Broad range of flow capacities
• 2% Full scale accuracy
• Versatile construction for all gas, liquid, steam applications
• Operable under high temperatures and pressures
• Flanged or female NPT connections
• Optional 4-20mAand HART®programmable
microprocessor transmitter with or without alarms and pulse output for
totalization
• Electronics designed with either intrinsically safe or explosion proof
construction to meet UL, (US & Canada) ATEX certifications and CE
requirements
1-3 Specifications - Meter
Do not operate this instrument in excess of the specifications
listed below. Failure to heed this warning can result in serious
personal injury and/or damage to the equipment.
WARNING
Capacities, Pressure Drop and Viscosity Immunity
Ceiling
Refer to Tables 1-1Aand 1-1B
Accuracy
Standard FlowAccuracy: ± 2% Full Scale
Optional FlowAccuracy: ± 1% Full Scale

1-2
Section 1 Introduction
Models MT 3809 & 3819
Installation and Operation Manual
X-VA-MT3809-3819-eng
Part Number: 541B049AHG
September, 2008
Repeatability
0.25% Full Scale
Pressure Ratings
Refer to Table 1-2 for Model MT 3809 maximum non-shock pressure.
Model MT 3819 pressure rating is dependant on flange rating.
Pressure Equipment Directive (PED) 97/23/EC
Flow meter complies under Sound Engineering
Practices (SEP) or Catagories I, II or III
Scales
Standard: Detachable aluminum plate (Single or dual scales)
Graduations: Choice of direct reading units, percentage of maximum flow
Operating Fluid Temperature Limits (Meter only)
Minimum MT 3809 and MT 3819: -20°F (-29°C)
Maximum:
Standard MT3809: 420°F(215°C)
Standard MT3809 with Valve: 392°F(200°C)
Standard MT 3819: 302°F (150°C)
Refer to Table 1-3 for temperature limitations for meters with electronics.
Materials of Construction:
Metering Tube
MT 3809 Standard: 316L stainless steel
MT 3809 Optional: Inconnel 625™, Hastelloy B™, Hastelloy C™, titanium
MT 3819 Standard: 316L stainless steel with ETFE (Tefzel) lining

1-3
Section 1 Introduction
Models MT 3809 & 3819
Installation and Operation Manual
X-VA-MT3809-3819-eng
Part Number: 541B049AHG
September, 2008
Flanges and End Fittings
MT 3809 Standard: 316/316L stainless steel dual certified
MT 3809 Optional: Hastelloy B, Hastelloy C, titanium
MT 3819 Standard: 316L stainless steel
Connections
MT 3809 Standard:
150 lbs, 300 lbs or 600 lbs RF ANSI B 16.5 flanges or PN 40 DIN 2527/
2635; or JIS flanges 10K or 20K; or Female NPT, Male NPT for No O-ring
meter only
125/250 Ra micro inch (3.2/6.3 Ra micro meter) cerated flange finish.
Consult factory for optional uncerated flange finish.
Vertical inlet and outlet
MT 3819 Standard:
150 lbs RF ANSI B 16.5 flanges or PN 40 DIN 2527/2635
MT 3819 Optional:
300 lbs RFANSI B 16.5 flanges or PN 40 DIN 2527/2635. For other
ratings/flange types consult factory.
125/250 Ra micro inch (3.2/6.3 Ra micro meter) cerated flange finish.
Consult factory for optional uncerated flange finish.
Vertical inlet and outlet
Floats
MT 3809 Standard: 316L stainless steel
MT 3809 Optional: Inconnel 625, Hastelloy C or titanium
MT 3819 Standard: Hastelloy C, Sizes 7 and 8, PVDF Sizes 10, 12 and 13.
MT 3819 Optional: Inconnel 625 or titanium all sizes; allTeflon®internals
Sizes 10, 12 and 13.
O-rings (NPT only)
MT 3809 Standard: Viton® fluoroelastomers
MT 3809 Optional: Teflon, none with male NPT connections
MT 3819: None
Indicator Housing and Cover
Enclosure NEMA 4X construction
MT 3809 and MT 3819 Standard Housing: Die cast aluminum,
polyurethane paint with glass window
MT 3809 and MT 3819 Optional Housing: 316Lstainless steel with gritblast
and glass window; epoxy paint for aluminum housing
Meter Dimensions
Refer to Figure 1-1

1-4
Section 1 Introduction
Models MT 3809 & 3819
Installation and Operation Manual
X-VA-MT3809-3819-eng
Part Number: 541B049AHG
September, 2008
Table 1-1B Model MT 3819 (Tefzel Lined) Capacities and Pressure Drop
Table 1-1A Model MT 3809 Capacities, Pressure Drop and Viscosity Immunity Ceiling
CONNECTION SIZE FLOAT MATERIAL STAINLESS STEEL 316L
METER DIN ANSI FLOAT WATER AIR
1,2
Press Drop Press Drop VIC
(
cSt
)
Max. Visc PED
SIZE DN mm inches CODE l/h gpm scfm nm3/h mbar inches WC (cSt) (cSt) Category
15 1/2" A 25 0.11 0.49 0.78 30 13 1 40 SEP
B* 65 0.28 1.2 2 30 13 1 20 SEP
C 130 0.59 2.4 3.7 30 13 1 120 SEP
D* 200 0.88 3.7 5.8 35 15 1 20 SEP
15 1/2" A 250 1.1 5.2 8.2 45 19 2 250 SEP
B 400 1.7 7.7 12 55 23 1 180 SEP
C 650 2.8 11 18 60 25 2 475 SEP
D 1000 4.4 21 33 130 53 1.5 250 SEP
25 1" A 1200 5.2 19 30 60 25 5 475 CAT I, II or III
B 1500 6.6 31 49 70 29 1.5 400 CAT I, II or III
C 2400 10 41 65 85 35 7 475 CAT I, II or III
D 3500 15 65 100 155 63 4 475 CAT I, II or III
40 1 1/2" A 4000 17 67 100 50 21 50 475 CAT I, II or III
B 6000 26 94 140 60 25 30 475 CAT I, II or III
C 8000 35 150 230 150 61 2 475 CAT I, II or III
D 10000 46 210 330 300 121 2 475 CAT I, II or III
50 2" A 6500 28 100 160 50 21 50 475 CAT I, II or III
B 9500 41 160 250 60 25 50 475 CAT I, II or III
C 12000 55 200 310 100 41 2.5 475 CAT I, II or III
D 20000 88 390 620 300 121 1 475 CAT I, II or III
80 3" A 20000 88 390 620 110 45 8 475 CAT I, II or III
B 30000 130 550 860 140 57 7 475 CAT I, II or III
C 40000 170 750 1100 280 113 5 475 CAT I, II or III
100 4" A 49000 210 NA NA 160 65 15 475 CAT I, II or III
B 70000 300 NA NA 210 85 10 475 CAT I, II or III
C 100000 440 NA NA 300 121 5 475 CAT I, II or III
1. Air flows in scfm are given at 70°F and 14.7 psia
2. Air flows in nm3/h are given at 0°C and 1.013 bar (a)
3. *Minimum operating pressure required 7 psig / 0.48 bar
13
15
16
7
8
10
12
CONNECTION SIZE TUBE STANDARD FLOAT MATERIAL CAPACITIES (See Note 3)
METER DIN ANSI FLOAT WATER AIR
1,2,4
Press Drop Press Drop PED
SIZE DN mm inches CODE l/h gpm scfm nm3/h mbar inches WC Category
15 1/2" GA 110 0.48 2 3.2 25 11 SEP
GB 170 0.75 3.2 5 50 21 SEP
15 1/2" A 250 1.1 4.6 7.3 30 13 SEP
B 420 1.8 7.7 12 45 19 SEP
C 500 2.2 9.2 14 40 17 SEP
D 850 3.7 15 24 130 53 SEP
25 1" A 1400 6.2 26 41 45 19 CAT I, II or III
B 2000 8.8 37 58 106 43 CAT I, II or III
C 2400 10 44 70 90 37 CAT I, II or III
D 3000 13 55 87 130 53 CAT I, II or III
40 1 1/2" A 3000 13 55 87 50 21 CAT I, II or III
B 4000 18 74 110 75 31 CAT I, II or III
C 5000 22 92 140 85 35 CAT I, II or III
D 6000 26 110 170 120 49 CAT I, II or III
50 2" A 6000 26 110 170 95 39 CAT I, II or III
B 8000 35 147 230 125 51 CAT I, II or III
C 12000 53 220 340 200 81 CAT I, II or III
D 15000 66 270 430 225 91 CAT I, II or III
1. Air flows in scfm are given at 70°F and 14.7 psia
2. Air flows in nm3/h are given at 0°C and 1.013 bar (a)
3. Sizes 7 & 8 floats are Hastelloy C-276 (Density = 8.94 kg/dm
3
), Sizes 10, 12 & 13 are PVDF (Density = 4.22 kg/dm
3
)
4. For gas applications operating pressure must be greater than 29 PSIA / 2 bar (a)
13
7
8
10
12

1-5
Section 1 Introduction
Models MT 3809 & 3819
Installation and Operation Manual
X-VA-MT3809-3819-eng
Part Number: 541B049AHG
September, 2008
3809 Indicator Only Indicator with Alarm
1
Indicator with Transmitter
1
Size Standard Hi
g
h Temperature Standard Hi
g
h Temperature Standard Hi
g
h Temperature
-58° thru 420° F 617° F -22° thru 320° F 450° F -22° thru 195° F 300° F
-50° thru 215° C 325° C -30° thru 160° C 230° C -30° thru 90° C 150° C
-58° thru 420° F 617° F -22° thru 320° F 617° F -22° thru 195° F 400° F
-50° thru 215° C 325° C -30° thru 160° C 325° C -30° thru 90° C 200° C
3819 Indicator Only Indicator with Alarm
1
Indicator with Transmitter
1
Size Standard High Temperature Standard High Temperature Standard High Temperature
-22° thru 300° F 300° F -22° thru 300° F 300° F -22° thru 195° F 300° F
-30° thru 150° C 150° C -30° thru 150° C 150° C -30° thru 90° C 150° C
Indicator Onl
y
2
Indicator with Alarm or Transmitter
-58° thru 150° F
-50° thru 65° C
1. High Temperature option not available with Explosion Proof Housing
2. Ambient Temperature below -22° F / -30° C requires Low Ambient Temperature Option
-30° thru 65° C
7 & 8
10 thru 16
7 thru 13
-22° thru 150° F
Table 1-2 Model MT 3809 Pressure Ratings*
617°F
1200
1200
1200
1000
600°F
1200
1200
1200
1000
500°F
1300
1300
1300
1100
400°F
1400
1400
1400
1200
300°F
1400
1400
1400
1200
Threaded NPT
7 & 8
10
12
13
200°F
1500
1500
1500
1300
-20°F to 100°F
1500
1500
1500
1300
316L Stainless Steel (psig at indicated temperature)
* Model MT 3819 pressure ratings dependent on flange rating.
**Flanges are dual certified 316L/316 stainless steel.
617°F
134
448
899
600°F
140
450
905
500°F
170
480
955
400°F
195
515
1030
300°F
215
560
1120
Flange Rating**
150 lb.
300 lb.
600 lb.
200°F
240
620
1240
-20°F to 100°F
275
720
1440
316/316L Stainless Steel (psig at indicated temperature)
Table 1-3 Maximum Fluid Temperatures at 104°F (40°C) Ambient
309 &3819 Minimum and Maximum Ambient Temperature

1-6
Section 1 Introduction
Models MT 3809 & 3819
Installation and Operation Manual
X-VA-MT3809-3819-eng
Part Number: 541B049AHG
September, 2008
* Dimensions shown are for standard indicator units as well as units with the Smart Meter Manager transmitter or stand-alone inductive
alarms.
Consult factory for dimensions of units with transmitters plus alarms and pulse output or transmitters with inductive alarms.
Consult Factory for no O-ring male NPT meter dimensions.
** Weights shown for aluminum indicator and PN40/50 lb flanges. Add 1.7 kg (3.8 lbs.) for steel indicator housing.
***Model MT 3809 meters with explosion proof transmitters and 300# oversized flanges or 600# regular and oversized flanges have a
300mm lay length.
Connection
1/2" NPT-F
1" NPT-F
1-1/2" NPT-F
2" NPT-F
WEIGHT (Approx.)**
1.3 kg (3 lbs.)
2.8 kg (7 lbs.)
5 kg. (12 lbs.)
6.3 kg (14 lbs.)
D
53 (2.09)
59 (2.32)
65 (2.56)
77 ( 3.63)
E
59 (2.32)
96 (3.78)
96 (3.78)
96 (3.78)
C
72 (2.83)
80 (3.15)
89 (3.50)
95 (3.74)
A
225 (8.85)
300 (11.81)
300 (11.81)
300 (11.81)
Meter Size
7 & 8
10
12
13
B
88 (3.46)
95 (3.78)
105 (4.13)
111 (4.37)
Meter Size
7 & 8
10
12
13
15
16
B
88 (3.46)
96 (3.78)
105 (4.13)
111 (4.37)
128 (5.04)
142 (5.59)
E
71 (2.78)
71 (2.78)
71 (2.78)
71 (2.78)
71 (2.78)
121 (4.76)
D
53 (2.09)
59 (2.32)
65 (2.56)
77 (3.03)
89 (3.50)
102 (4.02)
C
72 (2.83)
80 (3.15)
89 (3.50)
95 (3.74)
112 (4.41)
126 (4.96)
Connection
1/2" Flange
1" Flange
1-1/2" Flange
2" Flange
3" Range
4" Range
A***
250 (9.84)
250 (9.84)
250 (9.84)
250 (9.84)
250 (9.84)
350 (13.78)
MT 3809 Only
Model MT 3809 with NPT-F Connections mm (inches)*
B
135 (5.31)
122 (4.80)
A ± 2
D
104 (4.10)
D
E
C
108 (4.25)
Models MT 3809 and MT 3819 with Flanged Connections mm (inches)*
WEIGHT (Approx.)**
2.5 kg (6 lbs.)
4.2 kg (10 lbs.)
6.8 kg (15 lbs.)
8.7 kg (20 lbs.)
15 kg. (33 lbs.)
29 kg (64 lbs.)
Figure 1-1 Models MT 3809 and MT 3819 Dimensions

1-7
Section 1 Introduction
Models MT 3809 & 3819
Installation and Operation Manual
X-VA-MT3809-3819-eng
Part Number: 541B049AHG
September, 2008
1-4 OptionalAccessories
Needle control valves, sight flow indicators and flow controllers (available
on the MT 3809 only) For flow rate control, needle control valves or flow
controllers may be externally piped into the inlet or outlet side of the
instrument. Needle control valves and flow controllers can be supplied up
to size 10 (1”) maximum 6.6 gpm (1,500 l/hr) water equivalent. Sight flow
indicators are available for all flanged meters and up to size 13 (2”) NPT
meters.
1-6 Microprocessor Transmitter With or Without Alarms and Pulse Output
Based on Brooks Smart Meter Manager Technology
• A2-wire, loop-powered device for ease of wiring and installation
• 4-20 mA analog output for flowrate, with Bell-202 modulated HART
communication channel
• User selectable 0% and 100% analog output ranges with optional
smoothing
• Flexible (mix & match) units of measure for flowrates, totals,
temperatures, densities, etc.
• Two flow totalizers: Resettable and inventory totalization
• User configurable, scaleable pulse output for various engineering units
• Comprehensive alarms for both process flow and internal diagnostic
checks
• Easily configured and compatible with other plant equipment
• Patented magnetic sensor which is resistant to external magnetic fields
B. Description
“Smart Inside” best defines the Brooks transmitter with optional alarms and
pulse output for totalization. The transmitter (with or without the alarms and
pulse output) is a compact microprocessor device designed to interface
directly with the Models MT 3809 and MT3819 flowmeters. The
microprocessor electronics are based on the Brooks Smart Meter Manager
(SMMTM) technology common to other Brooks flowmeters.
The transmitter is HART-programmable for numerous variables such as
flow rate, totalization, calibration factors, and high-low alarm parameters. It
is programmable with easy-to-use hand held configurators such as the
EmersonTM HART 275 Communicator. Prior to shipment, commonly used
default values are programmed by Brooks to ensure ease of operation and
quick startup. However, parameters may be reprogrammed by the user if
needed. The 2-wire electronics system is easy to install and interface with
other existing equipment such as process management systems or
maintenance control packages.
1-5 Optional Electronic Equipment
Electronic equipment available with the Models MT 3809 and MT 3819
include the Microprocessor Transmitter, Microprocessor Transmitter/Alarm/
Pulse Output for totalization, InductiveAlarms, andTransmitter with
InductiveAlarms, refer to pages 6 through 12 for additional information. All
models are designed to be either Intrinsically Safe (aluminum or stainless
steel housing) or Explosion Proof (aluminum housing only).All electronic
accessories options are available for high temperature applications. Refer
to Table 3 to determine the appropriate model for your application.

1-8
Section 1 Introduction
Models MT 3809 & 3819
Installation and Operation Manual
X-VA-MT3809-3819-eng
Part Number: 541B049AHG
September, 2008
In operation the microprocessor transmitter converts the measured
process flow into a 4-20mA output with HART protocol. The signal
originates when the float magnet inside the metering tube passes a
magnetic sensor mounted on the transmitter. Flow rate information may
be viewed locally at the meter scale or displayed remotely (along with other
flow data) as a function of external support systems through analog/pulse
outputs or multiple digital communications.
In addition to transmitter features, this unit can also be ordered with
optional alarms and pulse output provided by open collector switches. One
or two alarms may be programmed prior to shipment of the unit or at the
customer site with a hand-held communicator.
C. Specifications - SMM Microprocessor
Transmitter with or without Alarm and Pulse
Output
EMC Directive 89/336/EEC: EN 50081, EN 50082
and EN 61326-1
Hazardous Location Classification
Enclosure: Type 4X/ IP65
Ambient Temperature: -22°F> Tamb < 150°F (-30°C
> Tamb < 65°C)
IntrinsicallySafe
United States and Canada ULListed, E73889, Vol. 1,
Sect. 15
Class I, II and III, Division 1, GroupsA, B, C, D, E, F,
and G; T4
Europe – KEMA01ATEX1235 X
II 2 G EEx ia IIC T4
II 2 D T135oC
Entity Parameters (Transmitter):
Ui=Vmax=30 Vdc; Ii=Imax=140 mA; Ci= 15 nF; Li=
0 mH
Entity Parameters (IntegralAlarms):
Ui=Vmax=30 Vdc; Ii=Imax=45 mA; Ci= 0 nF; Li= 0
mH

1-9
Section 1 Introduction
Models MT 3809 & 3819
Installation and Operation Manual
X-VA-MT3809-3819-eng
Part Number: 541B049AHG
September, 2008
Non-Incendive
United States and Canada ULListed, E73889, Vol. 1, Sect. 15
Class I, II, III, Division 2, GroupsA, B, C,D F, and G; T4
Europe – KEMA01ATEX1236
II 3 G EEx nA II T4
II 3 D T135oC
Explosion- proof/ Flame-proof
United States and Canada ULListed, E73889, Vol. 1, Sect. 14
Class I, Division 1, Groups C, D;
Dust Ignition-proof, Class II, Division 1, Groups E, F, G; Class III; T4
Europe – KEMA01ATEX2207 X
II 2 G EEx d IIB T4
II 2 D T135oC
Power Supply and Maximum Load Resistance
21.0 to 33.5 Vdc Power Supply, refer to Figure 1-2 below.
Input Power: Derived fromAnalog Output
(2-wire current loop transmitter)
Output Signals
Transmitter: 4-20 mA analog output with HART
Update Rate: 4 times per sec.
Range: 3.8 to 22.0 mA
Figure 1-2 Power Supply vs. Maximum Load Resistance
Note: Load resistance should also include I.S. barrier
resistance. When using Model 275 HART Communicator the
minimum load resistance is 250 ohms.

1-10
Section 1 Introduction
Models MT 3809 & 3819
Installation and Operation Manual
X-VA-MT3809-3819-eng
Part Number: 541B049AHG
September, 2008
Two Alarm Outputs (open collector)
Optically isolated outputs assignable to alarms, reverse flow indicator, or
manual valve.
Maximum off-state voltage: 30 Vdc
Maximum off-state current: 0.05 mA
Maximum on-state voltage: 1.2 Vdc
Maximum on-state current: 20 mA
One Pulse Output (open collector)
Optically isolated. Scaleable to a variety of engineering unit systems
(pulses per liter, gallons, etc.)
Range: 1 Hz to 1 kHz
Maximum off-state voltage: 30 Vdc
Maximum off-state current: 0.05 mA
Maximum on-state voltage: 1.2 Vdc
Maximum on-state current: 20 mA
Linearity
Less than 1% at maximum current
Temperature Influence
Less than 0.04% per °C
Voltage Influence
Less than 0.002%/Vdc
Load Resistance Influence
±0.1% full scale
Transmitter, Alarm and Pulse Wiring Diagrams
Refer to Figures 1-3, 1-4, 1-5 and 1-6
For Division 1 explosion proof installations, the optional explosion proof
enclosure must be used. This enclosure does not use the auxiliary terminal
box, as shown on some of the installation diagrams.All connections are
made directly within the housing. Cable entry device shall be certified as
Flame-proof type, suitable per the conditions of use and correctly installed.
If used with conduit, refer to Figure 1-7, a sealing device shall be provided
in accordance with Figure 1-7.
For Division 2 non-incendive installations, either the standard enclosure or
the explosion proof enclosure may be used.
For both Division 1 explosion proof and Division 2 non-incendive
installations, the barriers shown in the installation drawings are
unnecessary. However, NEC Class 2 circuits are required.
The circuits shall be wired separately or using a Multicore Cable Type
B, in accordance with EN 60079-14. Also wiring must be done in
accordance with the applicable electrical codes, ie., NEC Chapter 5,
CEC Section 18 and any local codes.
TRANSMITTERACCESSORIES
General purpose and intrinsically safe HART compatible power supplies
are available in 110V and 220V.

1-11
Section 1 Introduction
Models MT 3809 & 3819
Installation and Operation Manual
X-VA-MT3809-3819-eng
Part Number: 541B049AHG
September, 2008
Figure 1-3 Transmitter Only Wiring Diagram
Ref. No.981Y006 - Rev. F Sheet 1 of 2

1-12
Section 1 Introduction
Models MT 3809 & 3819
Installation and Operation Manual
X-VA-MT3809-3819-eng
Part Number: 541B049AHG
September, 2008
Figure 1-4 Transmitter Only Wiring Notes
Ref. No.981Y006 - Rev. F Sheet 2 of 2

1-13
Section 1 Introduction
Models MT 3809 & 3819
Installation and Operation Manual
X-VA-MT3809-3819-eng
Part Number: 541B049AHG
September, 2008
Figure 1-5 Transmitter with Alarm and Pulse Outputs Wiring Diagram
Ref. No.981Y005 - Rev. F Sheet 1 of 2

1-14
Section 1 Introduction
Models MT 3809 & 3819
Installation and Operation Manual
X-VA-MT3809-3819-eng
Part Number: 541B049AHG
September, 2008
Figure 1-6 Transmitter with Alarm and Pulse Outputs Wiring Diagram
Ref. No.981Y005 - Rev. F Sheet 2 of 2