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Retrotec Model DM-2A mark II
Dual Channel Pressure Gauge
User Guide
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Revision History Jan 29, 2008 0.00 Mark II, Jeff Jan 29, 2008 0.01 Colin copied to Word 2003 and edited it. Jan 31, 2008 0.02 Joe copied it to Word 2004 and edited it Feb. 22, 2008 Steve 0.03 Revised for documentation re-design and new style guide
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DM-2A Mark II Dual-Channel Pressure Gauge User Manual Retrotec Model DM-2A mark II Dual Channel Pressure Gauge User Guide DM-2A Mark II 2008-02-22 Retrotec Energy Innovations, Ltd. i
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DM-2A Mark II Dual-Channel Pressure Gauge User Manual Copyright © 2005-2008 Retrotec Energy Innovations, Ltd. All rights reserved. This document contains materials protected under International Copyright Laws. All rights reserved. No part of this document may be copied or reproduced in any form or by any means without the prior written consent of Retrotec Energy Innovations, Ltd. Retrotec makes no warranties with respect to this documentation and disclaims any implied warranties of merchantab
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DM-2A Mark II Dual-Channel Pressure Gauge User Manual About Retrotec Energy Innovations Retrotec Energy Innovations, Ltd. manufactures blower doors (or door fans) that are used in over 40 countries to measure the leakage rate of buildings, houses, rooms, ductwork and enclosures. Retrotec’s Windows software uses the leakage results to calculate energy loss, ventilation rates, smoke control and fire suppressant loss rates according to the following standards: Enclosure Integrity Tests using: •
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DM-2A Mark II Dual-Channel Pressure Gauge User Manual Energy loss testing is used for measuring losses in large commercial buildings and residences where mandatory testing is required to fulfill the criteria of certain jurisdictional standards. For example, residential homes in Canada are tested to fulfill R-2000 requirements while existing housing stock is tested for EnerGuide ratings using the CGSB standard. Canada has exported its R-2000 technology abroad under the SuperE label where a sp
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DM-2A Mark II Dual-Channel Pressure Gauge User Manual Table of Contents Section 1 Getting Started 3 Installing the Batteries 3 Checking Battery Health 4 AC Power Adapter 5 Exploring the Display and Keypad Buttons 6 Viewing the Display Screen 6 Using the Keypad Buttons 7 Section 2 Working with the Setup Screen 13 Enabling and Disabling Devices 13 Enabling and Disabling Modes 15 @-mode Extrapolation Slope (n) 17 Automatic Power Down 17 Area Units 18 Volume Units 18 European Decimal C
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DM-2A Mark II Dual-Channel Pressure Gauge User Manual Section 5 Using Advanced Configuration Modes 33 Accessing Configuration Modes 33 Preset Configuration 34 Choosing Custom Configuration Options 34 Using Range Configuration Options 35 Appendix A Configuring and Using the DM-2A for Specific Standards 37 CGSB 149.10 Configuration 37 Canadian ecoENERGY Configuration 38 DS/EN 13829 40 Appendix B Glossary of Terms and Abbreviations 43 Abbreviations 44 Appendix C Getting Help With Your Ga
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Introducing the Retrotec DM-2A mark II Congratulations on the purchase of your new Retrotec DM-2A mark II Dual-Channel Digital Micromanometer and Control. This high-quality, precision measuring instrument is the most advanced of its type and represents the state-of-the-art for air-tightness testing, enclosure leakage measurement, and building performance assessment. This user guide will help you to quickly set up and start using your gauge and will provide you with step-by-step instructions
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1: Getting Started DM-2A Mark II Dual-Channel Pressure Gauge User Manual 2 DM-2A Mark II 2008-02-22 Retrotec Energy Innovations, Ltd.
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1: Getting Started DM-2A Mark II Dual-Channel Pressure Gauge User Manual Section1 Getting Started Before you can begin using your new DM-2A mark II gauge, there are a few quick tasks you’ll need to perform. You’ll find that setting up your gauge for first use and exploring its basic operations is a relatively simple operation that takes just a few moments. In this section, you’ll learn to install the batteries, determine battery health, and/or attach the power adapter. Installing the Batte
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1: Getting Started DM-2A Mark II Dual-Channel Pressure Gauge User Manual 2. Install the batteries according to the orientation symbols on the circuit panel. 3. Replace the battery compartment panel and securely tighten the screw. The DM-2A mark II contains a built-in NiMH battery charger. Other battery types (such as alkaline batteries) can be used to power the DM-2A but you MUST remove these batteries before attaching an external power source. Use only rechargeable NiMH AA batteries in your
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1: Getting Started DM-2A Mark II Dual-Channel Pressure Gauge User Manual Under typical operation, the DM-2A will operate for many hours on a set of fully charged batteries. 4. To turn off the gauge, press and briefly hold the On /Off button. The display will become blank indicating the gauge is no longer operational. AC Power Adapter Your gauge includes an AC adapter that will provide power when the unit is on and recharges the batteries (if required) while it is attached. Without the AC pow
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1: Getting Started DM-2A Mark II Dual-Channel Pressure Gauge User Manual Your gauge will charge while turned off and while external power is available either from the AC adapter or from power available on the fan. While the batteries are actively charging, the gauge will dimly display a ‘BATTERIES CHARGING’ message together with a progress meter. Exploring the Display and Keypad Buttons Your Retrotec DM-2A mark II gauge features a touch-sensitive keypad that enables you to use the gauge as
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1: Getting Started DM-2A Mark II Dual-Channel Pressure Gauge User Manual The following list explains what each of the information labels printed around the perimeter of your display screen represent: • Baseline Indicates either the baseline pressure that will be deducted from the PrA value or the current battery health status. • n Indicates the value of the slope of the line along which @-measurements will be extrapolated. • Time Indicates time averaging on or off. • Zero Indicates whet
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1: Getting Started DM-2A Mark II Dual-Channel Pressure Gauge User Manual The keys labeled 0 through 9 and the decimal point can be used for inputting values when needed. You’ll also notice there are four directional keys labeled with arrows as in 2, 4, 6, and 8 representing up, left, right, and down (respectively). Besides the numeric and directional functions, keys also include these secondary functions: MOde T The he DM DM-2A -2A mar mark k II can displa II can display y measur measuremen
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1: Getting Started DM-2A Mark II Dual-Channel Pressure Gauge User Manual • Velocity Displays the air velocity. This mode requires that a pitot tube be installed. • Velocity Flow Displays the flow calculated from the velocity and cross- sectional area of the measured duct. Range COnfig Press the Range COnfig keypad button to cycle through the available flow ranges for the current test fan. Setup Press the Setup keypad button to access the main Setup menu. The Setup menu allows you to con
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1: Getting Started DM-2A Mark II Dual-Channel Pressure Gauge User Manual a ut O ZeRO Press the a ut O ZeRO keypad button to turn the automatic zeroing function on or off. Automatic zeroing sets the gauge to automatically zero itself every 10 seconds. Generally speaking, the DM-2 should be used with auto zero feature on. However, to save batteries or when conducting high-speed computer data acquisition you can maximize your gauge performance and data-transfer rates by turning the Auto Zero
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1: Getting Started DM-2A Mark II Dual-Channel Pressure Gauge User Manual On / Off , BC a kligH t Pressing this button once while the gauge is off turns it on and displays the Retrotec introduction screen. Pressing the button a second time displays the main operational display screen. While the gauge is on, you can press this button to toggle the backlighting illumination for the display screen on or off. Press and hold this button turn the gauge off. e R etn , v OluMe /a Rea This multi-a
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1: Getting Started DM-2A Mark II Dual-Channel Pressure Gauge User Manual NOTES 12 DM-2A Mark II 2008-02-22 Retrotec Energy Innovations, Ltd.
