
Installation and Operation Manual
X-VA-1307-eng
Part Number: 541B079AHG
March, 2008
Model 1307 O-ring Seal Flowmeter
Model 1307
5
Model 1307

Installation and Operation Manual
X-VA-1307-eng
Part Number: 541B079AHG
March, 2008
Model 1307
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 maint ain 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).
WARNING
GLASS TUBE
EXPLOSION
HAZARD
Plastic protective sleeve must remain over glass
tube.
Fasten meter windows securely .
Do not operate above pressure and temperature
limits.
Avoid pressure and flow surges.
Do not service or repair while pressurized.
Read and understand instruction manual.
Failure to comply could result in serious personal
injury or property damage.
GLASS TUBE EXPLOSION HAZARD
Protectivesleeve
Fasten mete r windows secure ly .
Failure to comp ly could resu lt in serious pe rsonal
injury or property da mage.
WARNING
must
remain
over
glass
tube.

Installation and Operation Manual
X-VA-1307-eng
Part Number: 541B079AHG
March, 2008
Model 1307
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 requirement s
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
Y ours sincerely ,
Brooks Instrument

Model 1307
Installation and Operation Manual
X-VA-1307-eng
Part Number: 541B079AHG
March, 2008
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Section 1
Introduction
Section 2
Installation
Contents
Contents
Page
Description...................................................................................1-1
Design Features ..........................................................................1-1
Specifications ..............................................................................1-1
Optional Equipment .....................................................................1-2
Receipt of Equipment ..................................................................2-1
Recommended Storage Practice.................................................2-1
Installation ...................................................................................2-1
C
O
N
T
E
N
T
S
Section 3
Operation
Section 4
Maintenance
Figures
Tables
Operating Instructions .................................................................3-1
General........................................................................................4-1
1-1 Float Types.................................................................... 1-4
1-2 Dimensions ...................................................................1-4
2-1 Typical Byp ass Installation ............................................ 2-2
2-2 Panel Cutouts................................................................2-3
3-1 Reading Edge of Floats.................................................3-2
3-2 Typical Byp ass Installation ............................................ 3-2
1-1 Capacities .....................................................................1-3
1-2 Pressure Ratings ..........................................................1-3
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Brooks Instrument Model 1307 O-ring Seal Flowmeter
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