Ametek mocon OX-TRAN 2/12 R Operator's Manual
  1. Manuals
  2. Brands
  3. Ametek Manuals
  4. Laboratory Equipment
  5. mocon OX-TRAN 2/12 R
  6. Operator's manual

Ametek mocon OX-TRAN 2/12 R Operator's Manual

Oxygen transmission rate system
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
OX-TRAN
®
Model 2/12 R
Operator's Manual
Revision L
Lauper Instruments AG
Gas-Detection
Irisweg 16B
CH-3280 Murten
Tel. +41 26 672 30 50
info@lauper-instruments.ch
www.lauper-instruments.ch
Part Number 143-204

Advertisement

Table of Contents
loading

Related Manuals for Ametek mocon OX-TRAN 2/12 R

Summary of Contents for Ametek mocon OX-TRAN 2/12 R

  • Page 1 OX-TRAN ® Model 2/12 R Operator’s Manual Revision L Lauper Instruments AG Gas-Detection Irisweg 16B CH-3280 Murten Tel. +41 26 672 30 50 info@lauper-instruments.ch www.lauper-instruments.ch Part Number 143-204...
  • Page 2 Trademarks & Patents MOCON, COULOX, and OX-TRAN are registered trademarks of Mocon, Inc. For information on applicable patents see: https://www.ametekmocon.com/aboutus/legal/intellectualproperty Copyright© 2021 MOCON, Inc. All rights reserved.
  • Page 3 OX-TRAN Model 2/12 R Operator’s Manual About This Manual About This Manual This manual explains how to set up and use the OX-TRAN Model 2/12 R Oxygen Transmission Rate System. This manual is designed for viewing electronically. Most references to other sections or chapters in this document are hyperlinks which can be used to navigate to the referenced section.

  • Page 4: Safety Information

    Safety Information OX-TRAN Model 2/12 R Operator’s Manual Safety Information Be sure to read and understand this section and all other applicable chapters of the Operator's Manual and all on-product safety signs before setting up, operating, and maintaining this analyzer. Safety signs appear in this manual and on the analyzer.

  • Page 5: Table Of Contents

    OX-TRAN Model 2/12 R Operator’s Manual Table of Contents Table of Contents About This Manual ............................iii Safety Information ............................iv Table of Contents............................v Chapter 1: Introduction..........................1-1 Features ............................... 1-2 Permeation Test Overview ........................1-3 Individual Zero Phase ........................1-3 Conditioning the Sample ........................
  • Page 6 Table of Contents OX-TRAN Model 2/12 R Operator’s Manual Software Features ..........................4-1 Instrument Software Structure and Organization .................. 4-2 Chapter 5: Permeant Sensor Calibration ....................5-1 Permeant Sensor Performance Check ....................5-1 Performing a Permeant Sensor Calibration ..................5-1 Permeant Sensor Calibration Test Setup .....................
  • Page 7 OX-TRAN Model 2/12 R Operator’s Manual Table of Contents Recovering from a Sensor Over-Range Condition ................9-2 Recovering from a Power Failure ......................9-2 Chapter 10: Specifications ........................10-1 Physical Specifications ........................10-1 Environmental Requirements ......................10-1 Electrical Requirements ........................10-1 Gas Supply Requirements .........................
  • Page 8 Table of Contents OX-TRAN Model 2/12 R Operator’s Manual Figures Figure 1-1: OX-TRAN Model 2/12 R System ..................... 1-1 Figure 1-2: The OX-TRAN Model 2/12 R Test Cell ..................1-4 Figure 2-1: Front Panel Parts and Controls ....................2-2 Figure 2-2: Front Panel Parts and Controls ....................2-3 Figure 2-3: Back Panel Parts and Controls ....................

  • Page 9: Chapter 1: Introduction

    OX-TRAN Model 2/12 R Operator’s Manual Introduction Chapter 1: Introduction This chapter provides a brief overview of the OX-TRAN Model 2/12 R Oxygen Transmission Rate System. Read this chapter to get an overview of: The features of the OX-TRAN Model 2/12 R system •...

  • Page 10: Features

    Introduction OX-TRAN Model 2/12 R Operator’s Manual Features The following features of the OX-TRAN Model 2/12 R Oxygen Transmission Rate System make it very versatile and easy to use: Fully automatic (Hands Off) testing. • Removable test cell for faster film mounting. •...

  • Page 11: Permeation Test Overview

    OX-TRAN Model 2/12 R Operator’s Manual Introduction Permeation Test Overview A “Permeation Test” consists of up to two phases that are performed using a Test Cell. The “Cell” may contain a flat film sample or be connected to a package fixture. The Test Phase (always present) is used to measure the transmission rate of the test sample.

  • Page 12: Measuring An Oxygen Transmission Rate

    Introduction OX-TRAN Model 2/12 R Operator’s Manual Measuring an Oxygen Transmission Rate To make an accurate transmission rate measurement a known concentration Test Gas (usually 100% Oxygen) is applied to one side of the barrier material to be tested and the other side is swept with an oxygen free Carrier Gas (nitrogen).

  • Page 13: Chapter 2: Setting Up

    OX-TRAN Model 2/12 R Operator’s Manual Setting Up Chapter 2: Setting Up This chapter provides information on how to set up an OX-TRAN Model 2/12 R and prepare it for use. Read this chapter to learn about: Unpacking the System •...

  • Page 14: Front Panel Parts And Controls

    Setting Up OX-TRAN Model 2/12 R Operator’s Manual Front Panel Parts and Controls The names and locations of the parts and controls located on the front of the instrument are shown in Figure 2-1, Figure 2-2 and Table 2.1. Figure 2-1: Front Panel Parts and Controls Revision L MOCON, Inc.

  • Page 15: Figure 2-2: Front Panel Parts And Controls

    OX-TRAN Model 2/12 R Operator’s Manual Setting Up Figure 2-2: Front Panel Parts and Controls Item Name Description Cell B Load/Unload button This button is used to Load and Unload the Test Cell Cell B Status Indicator This indicator is used to show the Status of Cell B Cell A Load/Unload button This button is used to Load and Unload the Test Cell Cell A Status Indicator...

  • Page 16: Back Panel Parts And Controls

    Setting Up OX-TRAN Model 2/12 R Operator’s Manual Back Panel Parts and Controls The names and locations of the parts and controls located on the back of the instrument are shown in Figure 2-3 and Table 2.2. Figure 2-3: Back Panel Parts and Controls Item Name Description...

  • Page 17: Test Gas (Oxygen)

    OX-TRAN Model 2/12 R Operator’s Manual Setting Up Test Gas (Oxygen) The OX-TRAN Model 2/12 R equires an oxygen test gas with a purity of at least 99.9%. The regulator (on the compressed gas cylinder) must be approved for oxygen use. The optional Regulator Assembly contains an approved Oxygen Regulator.

  • Page 18: Connecting The Gas Lines

    Setting Up OX-TRAN Model 2/12 R Operator’s Manual Connecting the Gas Lines The OX-TRAN Model 2/12 R has two gas inlets, one for connecting the Test Gas (oxygen) supply and the other for connecting the Carrier Gas (nitrogen) supply. These compression fittings are intended for use with 1/8”...
  • Page 19 OX-TRAN Model 2/12 R Operator’s Manual Setting Up Follow these steps to connect the Test Gas supply lines: Remove the brass plug from the Test Gas fitting on the instrument back panel. Save the plug as it will be needed later. Cut a piece of tubing approximately 3 inches in length (8 cm).

  • Page 20: Setting The Gas Supply Pressures

    Setting Up OX-TRAN Model 2/12 R Operator’s Manual Setting the Gas Supply Pressures Set the Gas Supply Pressures as follows: Set the Carrier Gas cylinder or main line regulator pressure to 35 psi. Set the Test Gas cylinder or main line regulator pressure to 35 psi. Set the pressure on the Carrier Gas regulator-tee so that the gauge reads 29 psi.

  • Page 21: Chapter 3: Preparing For A Test

    OX-TRAN Model 2/12 R Operator’s Manual Preparing for a Test Chapter 3: Preparing for a Test This chapter provides information on how to prepare for a permeation test. Read this chapter to learn about: Testing Basics • • How Barrier Properties Affect Testing •...

  • Page 22: Testing Mixed Barriers

    Preparing for a Test OX-TRAN Model 2/12 R Operator’s Manual Testing Mixed Barriers Simultaneously testing barriers with widely divergent transmission rates is not recommended. The data for both samples may not be accurate when there is a large difference in the two transmission rates. If during a test there is a large difference in the transmission rates, set one cell to Idle and continue testing the other one.

  • Page 23: The Sample Conditioning Time

    OX-TRAN Model 2/12 R Operator’s Manual Preparing for a Test The Sample Conditioning Time When you condition a sample in the test cell, carrier gas and test gases are routed to the test cell as they are during testing. However, the carrier gas is not routed to the Permeant sensor. This conditioning period allows a sample barrier to acclimate to the conditions within the test cell.

  • Page 24: Determining When To Stop A Test

    Preparing for a Test OX-TRAN Model 2/12 R Operator’s Manual Determining When to Stop a Test The setting used for the “Test Mode” parameter determines how and when a transmission rate test is stopped (Test Completion). Four different methods of stopping a transmission rate test are provided. The four methods are: “Continuous”, “Standard”, “Convergence By Cycles”...

  • Page 25: Chapter 4: Using The Instrument Software

    OX-TRAN Model 2/12 R Operator’s Manual Using the Instrument Software Chapter 4: Using the Instrument Software This chapter provides an overview of the software system used to operate the OX-TRAN Model 2/12. Detailed information on how to use the instrument software can be found in the Instrument Help System. Read this chapter to learn about: •...

  • Page 26: Instrument Software Structure And Organization

    Using the Instrument Software OX-TRAN Model 2/12 R Operator’s Manual Instrument Software Structure and Organization All of the User Interface and Instrument Control functions of your permeation system are accessed through the Instrument Software. The User Interface consists of a Title bar, an Icon bar, and the Workspace The “Title”...

  • Page 27: Chapter 5: Permeant Sensor Calibration

    OX-TRAN Model 2/12 R Operator’s Manual Permeant Sensor Adjustment Chapter 5: Permeant Sensor Calibration The Permeant Sensor in the OX-TRAN Model 2/12 R equires periodic calibration to ensure accuracy when measuring the oxygen transmission rate. NOTE: MOCON is not responsible for problems resulting from improper use of the Permeant Sensor Calibration function or use of an inadequate transmission rate reference material.

  • Page 28: Permeant Sensor Calibration Test Setup

    Using the Instrument Software OX-TRAN Model 2/12 R Operator’s Manual Permeant Sensor Calibration Test Setup To calibrate the instrument to a standard reference film or a certified film use the following procedure: NOTE: Mocon has available Certified Films that cover the usual testing range. Call MOCON in the USA at (763) 493-6370 for more information.
  • Page 29 OX-TRAN Model 2/12 R Operator’s Manual Permeant Sensor Adjustment calibrating with another known film, use the temperature at which the transmission rate for the film was measured. Instrument ReZero: Instrument ReZero Enabled ReZero Frequency ReZero Exam Minutes NOTE: Use of the “Test ID”, “Sample ID” and “Material ID” fields is advised to document the all of the relevant information on the specific material used to perform the test.
  • Page 30 Using the Instrument Software OX-TRAN Model 2/12 R Operator’s Manual Adjust the output of the Permeant Sensor using the “OTR Calibration” screen. Refer to the Instrument Help System for more information on performing an adjustment. NOTE: Calibration films should be stored in a manner that will keep them clean and free from wrinkles.

  • Page 31: Chapter 6: Testing Flat Film Samples

    OX-TRAN Model 2/12 R Operator’s Manual Testing Flat Films Chapter 6: Testing Flat Film Samples This chapter contains information on how to test flat film samples. Suggestions on how to maximize the accuracy of your results and procedures describing how to perform the test are discussed. Read this chapter to learn about: •...

  • Page 32: Preparing For A Film Test

    Testing Flat Films OX-TRAN Model 2/12 R Operator’s Manual Preparing for a Film Test Before a test can be conducted there are a number of tasks that must be performed: The samples to be tested must be prepared. The samples must be mounted in a Test Cell and Loaded into the instrument. Finally, if the test requires a Generated RH the Humidifiers must be checked and filled if necessary.

  • Page 33: Orienting The Sample

    OX-TRAN Model 2/12 R Operator’s Manual Testing Flat Films Orienting the Sample When mounting test samples, orientation can be important. Edge leakage or oxidation on some materials can affect the test result. It is important to place the “barrier side towards the carrier”. Follow the guidelines below to minimize edge leakage and oxidation effects.

  • Page 34: Filling The Humidifiers During A Test

    Testing Flat Films OX-TRAN Model 2/12 R Operator’s Manual Filling the Humidifiers during a Test During a long test requiring RH generation the level in the humidifiers should be checked periodically and filled if necessary. Follow these steps to fill the humidifiers during a test: Note: Refer to Figure 6-1 for the location of the reference controls.

  • Page 35: Mounting A Sample In The Test Cell

    OX-TRAN Model 2/12 R Operator’s Manual Testing Flat Films Figure 6-1: Humidifier Fill Port and Controls Item Name Description Water Reservoir - Carrier Gas Window showing the Carrier Gas Reservoir water level Drain/Fill Valve - Carrier Gas The screw used to open & close the Carrier Gas Drain/Fill Valve Reservoir Fill Line The maximum level to which the reservoir should be filled.

  • Page 36: Loading And Unloading The Test Cell

    Testing Flat Films OX-TRAN Model 2/12 R Operator’s Manual Figure 6-2: Mounting a Film Sample Loading and Unloading the Test Cell The OX-TRAN Model 2/12 R uses a pneumatic system to clamp, unclamp and eject the Test Cell. The Test cell must be manually loaded and unloaded from the instrument.

  • Page 37: Figure 6-3: Loading The Test Cell

    OX-TRAN Model 2/12 R Operator’s Manual Testing Flat Films Gently hold the Cell Tray Shut with a finger. Press the Cell Load/Unload button to clamp the cell (see Figure 2-1). Figure 6-3: Loading the Test Cell MOCON, Inc. Revision L...

  • Page 38: Setting Up And Starting A Film Test

    Testing Flat Films OX-TRAN Model 2/12 R Operator’s Manual Setting Up and Starting a Film Test After the samples are loaded and the instrument is ready there are a number of test parameters that must be set. There are two types of test parameters, cell parameters and instrument parameters. Cell Parameters are specific to each cell (Sample ID, Sample Thickness).

  • Page 39: Chapter 7: Testing Packages

    OX-TRAN Model 2/12 R Operator’s Manual Testing Packages Chapter 7: Testing Packages This chapter contains information on how to test packages. Suggestions on how to maximize the accuracy of your results and procedures describing how prepare for and perform a package test are discussed. Read this chapter to learn about: •...

  • Page 40: Preparing The Instrument For A Package Test

    Testing Packages OX-TRAN Model 2/12 R Operator’s Manual Preparing the Instrument for a Package Test To accommodate package testing the film Test Cell must be replaced with the optional Package Adapter. The tubing to the package fixture should be connected to the Package adapter before placing it into the Test Cell tray.

  • Page 41: Package Testing Methods

    OX-TRAN Model 2/12 R Operator’s Manual Testing Packages Package Testing Methods There are many different types of packages and most of them can be tested on the OX-TRAN Model 2/12. Most packages can be classified as belonging to one of two categories, rigid packages or flexible packages. To test a package, a fixture must be created that allows a Test Gas to be supplied to one side of the package (usually the outside) and the Carrier Gas to the other.

  • Page 42: Package Mounting Methods

    Testing Packages OX-TRAN Model 2/12 R Operator’s Manual Package Mounting Methods The type of fixture required is usually dependent on the type of package, rigid or flexible. Rigid packages and semi-rigid packages (bottles, trays or cups) can often be mounted on a Package Plate. A “fixture” for Flexible packages is created by sealing all unnecessary openings and then sealing (usually with epoxy) two tubes into the package envelope to allow the Carrier Gas to “sweep”...

  • Page 43: Mounting Pouches And Bags

    OX-TRAN Model 2/12 R Operator’s Manual Testing Packages Mounting Pouches and Bags Flexible packages require a different mounting method than rigid packages. Flexible packages can be mounted with the carrier gas tubes entering the top or bottom of the package. The following instructions, along with Figure 7-3 and Figure 7-4 will assist you in mounting the package.

  • Page 44: Supplying A Test Gas

    Testing Packages OX-TRAN Model 2/12 R Operator’s Manual Figure 7-4: Pouches and Bags - Top Mount Supplying a Test Gas To perform a transmission rate measurement a Test Gas must be applied to one side of the barrier material. When testing packages the Test Gas is usually applied to the outside of the package fixture. How the Test Gas is applied to the package fixture is usually dependent on the concentration of the gas that will be used.

  • Page 45: Figure 7-5: Supplying A Test Gas

    OX-TRAN Model 2/12 R Operator’s Manual Testing Packages The properties of the barrier material usually determine what oxygen concentration will be required for the Test Gas. Good barriers will require a higher concentration (usually 100%). Poor barriers will require lower concentrations (21% or even 5%).

  • Page 46: Setting Up And Starting A Package Test

    Testing Packages OX-TRAN Model 2/12 R Operator’s Manual Setting Up and Starting a Package Test After the samples are loaded and the instrument is ready there are a number of test parameters that must be set. There are two types of test parameters, cell parameters and instrument parameters. Cell Parameters are specific to each cell (Sample ID, Sample Thickness).

  • Page 47: Chapter 8: Maintenance

    OX-TRAN Model 2/12 R Operator’s Manual Maintenance Chapter 8: Maintenance This contains information on how to clean and maintain the OX-TRAN Model 2/12. Read this chapter to learn about: Cleaning the Instrument • • Cleaning the Test Cell • Cleaning the Air Filter •...

  • Page 48: Cleaning The Air Filter

    Maintenance OX-TRAN Model 2/12 R Operator’s Manual Cleaning the Air Filter Periodically the air filter on the back of the instrument should be removed and cleaned. The recommended interval is twice a year (or whenever there is a significant buildup of dust). If the filter is not cleaned on a regular basis air will not circulate properly through the cooling system.

  • Page 49: Cleaning The Test Cells

    OX-TRAN Model 2/12 R Operator’s Manual Maintenance Cleaning the Test Cells Periodically the test cells should be cleaned to remove any excess buildup of grease. Alcohol can be used to remove any residue from the Apiezon grease. Inspect the gas ports and TrueSeal flush ring and remove any grease that could obstruct the flow of gas. Maintaining the Test Cells Periodically the test cells should be examined and any damaged, deformed, cracked or brittle o-rings replaced.

  • Page 50: Test Cell Components And Part Numbers

    Maintenance OX-TRAN Model 2/12 R Operator’s Manual Test Cell Components and Part Numbers The parts of the test cell are shown in Figure 8-2 below. Refer to Table 8.1 for the associated part numbers and the quantity used. To order replacement parts contact MOCON in the USA at (763) 493-6370. Figure 8-2: Test Cell Components Item Quantity...

  • Page 51: Maintaining The Oxygen Sensor

    OX-TRAN Model 2/12 R Operator’s Manual Maintenance Maintaining the Oxygen Sensor The only periodic maintenance the Oxygen sensor requires is regular Calibration Accuracy checks. The life of the Oxygen sensor supplied with your OX-TRAN Model 2/12 R is dependent on the amount of oxygen it is exposed to.

  • Page 52: System Standby

    Maintenance OX-TRAN Model 2/12 R Operator’s Manual System Standby When a test series is complete, the instrument sets the sensor to the Bypass state. In this position the sensor is isolated and protected from inadvertent exposure to large amounts of oxygen. If no testing will be performed for an extended period of time (overnight or weekend) leave a film mounted and clamped in the test cells.

  • Page 53: Chapter 9: Troubleshooting

    OX-TRAN Model 2/12 R Operator’s Manual Trouble Shooting Chapter 9: Troubleshooting This chapter contains information to assist you in solving problems that may occur during the operation of the instrument. Read this chapter to learn about: • Error Messages and Warnings •...

  • Page 54: Recovering From A Sensor Over-Range Condition

    Troubleshooting OX-TRAN Model 2/12 R Operator’s Manual Symptom: Abrupt changes in display readings or long-term cyclic oscillations. Comment: Unwanted data fluctuations observed during a test cycle may be caused by abrupt changes in the carrier gas flow rate. Such a transient symptom can be produced by a temporary restriction in any gas line, or gas usage by another system.

  • Page 55: Chapter 10 Specifications

    OX-TRAN Model 2/12 R Operator’s Manual Specifications Chapter 10 Specifications This chapter contains the specifications of the OX-TRAN Model 2/12. Read this chapter for details about: Physical specifications • Environmental requirements • • Electrical requirements • Gas Supply requirements • Operational capabilities Physical Specifications Height...

  • Page 56: Gas Supply Requirements

    Specifications OX-TRAN Model 2/12 R Operator’s Manual Current Draw at 100 VAC 50 Hz 1.80 A nominal Current Draw at 120 VAC 60 Hz 1.50 A nominal Current Draw at 220 VAC 50 Hz 0.82 A nominal Current Draw at 240 VAC 50 Hz 0.75 A nominal Table 10.3: Electrical Specifications Gas Supply Requirements...

  • Page 57: Table 10.5: Operational Capabilities - Ox-Tran 2/12 R

    OX-TRAN Model 2/12 R Operator’s Manual Specifications 0.05 to 28,800 cc/(m • day) 0.00323 to 1858 cc/(100in • day) Test Range, Film, 50 cm , 100% O Lower Limit at 10 sccm Carrier Flow 0.00025 to 144 cc/(pkg • day) Test Range, Package, 100% O Lower Limit at 10 sccm Carrier Flow 0.05 cc/(m...

  • Page 58: Film Area, Test Gas Concentration, Carrier Flow And Test Range

    Specifications OX-TRAN Model 2/12 R Operator’s Manual Film Area, Test Gas Concentration, Carrier Flow and Test Range Area Test Gas % Flow Test Range 0.05 to 2,880 cc/(m • day) 50 cm 100% 10 sccm 0.0032 to 186 cc/(100in • day) 0.5 to 28,800 cc/(m •...

  • Page 59: Appendix A: Site Preparation Instructions

    OX-TRAN Model 2/12 R Operator’s Manual Site Preparation Instructions Appendix A: Site Preparation Instructions (See Next Pages) MOCON, Inc. Revision L...
  • Page 60 Site Preparation Instructions OX-TRAN Model 2/12 R Operator’s Manual Part Number 140-218 Revision D 7500 Mendelssohn Avenue North Minneapolis, MN 55428 U.S.A. Telephone 763-493-6370 Web Site: www.ametekmocon.com SITE PREPARATION INSTRUCTIONS IMPORTANT! REQUIREMENTS FOR THE START-UP OF THE OX-TRAN ® Model 2/12 SYSTEM The following must be furnished by the customer before a new OX-TRAN Model 2/12 R can be set up.
  • Page 61 OX-TRAN Model 2/12 R Operator’s Manual Site Preparation Instructions REGULATOR ASSEMBLY - If the customer chooses to purchase the optional regulator assembly, then the two gas cylinders are the only items that must be supplied by the customer. The regulator assembly contains everything else that is needed.
  • Page 62 Site Preparation Instructions OX-TRAN Model 2/12 R Operator’s Manual The impedance of the equipment ground path from receptacle being utilized back to main service entrance where equipment ground and neutral are connected together must be one ohm or less. Machinery and air conditioners can generate a large amount of electrical interference on the AC power lines.

  • Page 63: Appendix B: Spare Parts

    OX-TRAN Model 2/12 R Operator’s Manual Spare Parts Appendix B: Spare Parts The following is a list of the spare parts that are available for the OX-TRAN Model 2/12. To order, contact the MOCON in the USA at (763) 493-6370. Part Unit Of Description...
  • Page 64 Spare Parts OX-TRAN Model 2/12 R Operator’s Manual Part Unit Of Description Quantity Number Measure 051-931 Certified Film, #3, 2/22, 1 sq cm, 23.0 °C, 0% RH, Red/White 052-423 Certified Film, 2/12, 20 sq cm, 23.0° C, 0% RH, 10 SCCM 105-259 Mask, Aluminum Foil, 4X4, Blank 110-559...

  • Page 65: Appendix C: Warranty And Service Policies

    OX-TRAN Model 2/12 R Operator’s Manual Warranty and Service Policies Appendix C: Warranty and Service Policies (See Next Pages) MOCON, Inc. Revision L...
  • Page 66 Warranty and Service Policies OX-TRAN Model 2/12 R Operator’s Manual Part Number 032-846 Revision H 7500 Mendelssohn Avenue North Minneapolis, MN 55428 USA Telephone 763-493-6370 Web Site: www.ametekmocon.com WARRANTY POLICY STATEMENT OF LIMITED WARRANTY MOCON, Inc. warrants that any part of any MOCON instrument or accessory ( “ I n s t r u m e n t ” ) which proves to be defective in material or workmanship during the warranty period will be repaired by MOCON "certified"...
  • Page 67 OX-TRAN Model 2/12 R Operator’s Manual Warranty and Service Policies Spare parts, repairs and accessories when purchased separately and not a part of a new instrument order. Ninety days from date of shipment from MOCON's factory. • This warranty covers normal use only. It does not cover damage that results from alteration, accident, misuse, abuse, neglect, or failure to follow assembly, installation, operational, or other MOCON instruction.
  • Page 68 Warranty and Service Policies OX-TRAN Model 2/12 R Operator’s Manual Part Number 032-847 Revision D 7500 Mendelssohn Avenue North Minneapolis, MN 55428 USA Telephone 763-493-6370 Web Site: www.ametekmocon.com INTERNATIONAL SERVICE POLICY MOCON offers a complete range of service options to purchasers of MOCON instrumentation and systems. ♦♦♦SERVICE PERFORMED WITHIN THE WARRANTY PERIOD♦♦♦...
  • Page 69 OX-TRAN Model 2/12 R Operator’s Manual Warranty and Service Policies Copyright© 2021 MOCON, INC. All rights reserved. MOCON, Inc. Revision L...
  • Page 70 Warranty and Service Policies OX-TRAN Model 2/12 R Operator’s Manual Part Number 032-848 REVISION E 7500 Mendelssohn Avenue North Minneapolis, MN 55428 USA Telephone 763-493-6370 Web Site: www.ametekmocon.com DOMESTIC SERVICE POLICY MOCON offers a complete range of service options to purchasers of MOCON instrumentation and systems. ♦♦♦SERVICE PERFORMED WITHIN THE WARRANTY PERIOD♦♦♦...
  • Page 71 OX-TRAN Model 2/12 R Operator’s Manual Warranty and Service Policies All parts are shipped EXW MOCON factory Minneapolis, Minnesota; freight and Insurance will be billed separately. • • MOCON insures all shipments unless advised otherwise. All repairs after the original instrument warranty period are warranted for 90 days on parts and labor, EXW. MOCON factory. •...

  • Page 73: Appendix D: Theory Of Operation

    OX-TRAN Model 2/12 R Operator’s Manual Theory of Operation Appendix D: Theory of Operation How the Oxygen Sensor Works The oxygen sensor is a fuel cell that performs in accordance with Faraday’s Law. When exposed to oxygen, the sensor generates an electrical current that is proportional to the amount of oxygen entering the sensor. The oxygen sensor contains two electrodes, a flat PTFE tape coated with an active catalyst, the cathode and a lead anode.

  • Page 74: Test Gas Driving Force

    Theory of Operation OX-TRAN Model 2/12 R Operator’s Manual The temperature at which the barrier is tested has a great effect (usually logarithmic) on transmission rate. This makes temperature one of the most important test conditions for most barrier materials. Many barriers exhibit a 6% to 15% rise in oxygen transmission rate for each degree C rise in temperature.

  • Page 75: How The Rezero Cell Works

    OX-TRAN Model 2/12 R Operator’s Manual Theory of Operation A separate humidifier is provided for each of the gases (Test and Carrier). A mixing valve is used to “mix” the saturated gas (~100% RH) with the dry gas. A mix-ratio of 50% yields a gas with an RH of approximately 50%.

  • Page 76: How Sequential Testing Works

    Theory of Operation OX-TRAN Model 2/12 R Operator’s Manual The Convergence algorithm makes an Equilibrium Determination based on the absolute-magnitude-of or the magnitude-of-change-in the transmission rate. If the absolute magnitude of the transmission rate is less than the noise floor of the instrument, the sample is declared to be at equilibrium. Above the noise floor the acquired Cell Examination data is used to calculate two variables.

  • Page 77: Appendix E: Electrical And Plumbing Diagrams

    OX-TRAN Model 2/12 R Operator’s Manual Electrical and Plumbing Diagrams Appendix E: Electrical and Plumbing Diagrams Title Part Number Plumbing Diagram, OX-TRAN Model 2/12 052-377 Electrical Diagram, OX-TRAN Model 2/12 052-378 MOCON, Inc. Revision L...
  • Page 78 Electrical and Plumbing Diagrams OX-TRAN Model 2/12 R Operator’s Manual Figure E-1: Plumbing Diagram Page 1 Revision L MOCON, Inc.
  • Page 79 OX-TRAN Model 2/12 R Operator’s Manual Electrical and Plumbing Diagrams Figure E-2: Plumbing Diagram Page 2 MOCON, Inc. Revision L...
  • Page 80 Electrical and Plumbing Diagrams OX-TRAN Model 2/12 R Operator’s Manual Figure E-3: Electrical Diagram Page 1 Revision L MOCON, Inc.
  • Page 81 OX-TRAN Model 2/12 R Operator’s Manual Electrical and Plumbing Diagrams Figure E-4: Electrical Diagram Page 2 MOCON, Inc. Revision L...
  • Page 82 Electrical and Plumbing Diagrams OX-TRAN Model 2/12 R Operator’s Manual Figure E-5: Electrical Diagram Page 3 Revision L MOCON, Inc.

  • Page 83: Appendix F: Preparing Rh Calibration Standards

    OX-TRAN Model 2/12 R Operator’s Manual Calibrating the Permeant Sensor Appendix F: Preparing RH Calibration Standards To calibrate or check the RH probes used in the OX-TRAN Model 2/12, requires RH reference values (or standards). A RH Calibration Standard consists of a saturated salt solution or molecular sieve in a “Calibration Flask”.

  • Page 84: Preparing A High Level Calibration Standard

    Calibrating the Permeant Sensor OX-TRAN Model 2/12 R Operator’s Manual Preparing a High Level Calibration Standard A High Level RH Calibration standard can be prepared using a salt solution as follows: Chose the appropriate salt for the calibration standard. See “Choosing a Salt for a Calibration Standard”...

  • Page 85: Appendix G: Compliance

    OX-TRAN Model 2/12 R Operator’s Manual Compliance Appendix G: Compliance MOCON, Inc. Revision L...

Table of Contents