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AEROCET 831
M
Met One
Instruments, Inc
1600 Washington Blvd.
Grants Pass, Oregon 97526
Telephone 541-471-7111
Facsimile 541-471-7116
AEROCET 831 Manual Rev A
ANUAL
Regional Service
3206 Main St. Suite 106
Rowlett, Texas 75088
Telephone 972-412-4715
Facsimile 972-412-4716

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Summary of Contents for Met One Instruments AEROCET 831

  • Page 1 AEROCET 831 ANUAL Met One Regional Service Instruments, Inc 3206 Main St. Suite 106 1600 Washington Blvd. Rowlett, Texas 75088 Grants Pass, Oregon 97526 Telephone 541-471-7111 Telephone 972-412-4715 Facsimile 972-412-4716 Facsimile 541-471-7116 AEROCET 831 Manual Rev A...
  • Page 2 Copyright Notice AEROCET 831 Manual © Copyright 2014 Met One Instruments, Inc. All Rights Reserved Worldwide. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any other language in any form by any means without the express written permission of Met One Instruments, Inc.
  • Page 3: Table Of Contents

    1.1. About the Measurement ......................3 1.2. Technical Service ........................3 Setup ........................4 2.1. Unpacking ..........................4 2.2. AEROCET 831 Layout ....................... 6 2.3. Initial Operation .......................... 6 Operation ....................... 7 3.1. User Interface ..........................7 3.2. Power On/Off ..........................7 3.3.
  • Page 4: Introduction

    1.1. About the Measurement The AEROCET 831 counts and sizes particles in 7 different size ranges then uses a proprietary algorithm to convert count data to mass measurements (µg/m3). Fundamentally, the AEROCET 831 calculates a volume for each detected particle then assigns a standard density for the conversion.
  • Page 5: Setup

    The USB drivers on the included Comet CD must be installed before connecting the AEROCET 831 USB port to your computer. If the supplied drivers are not installed first, Windows may install generic drivers that are not compatible with this product.
  • Page 6 Figure 1 – Standard Accessories AEROCET 831 Optional Accessories Zero Filter Kit Boot Carrying Case Flow Meter Kit MOI P/N: 8517 MOI P/N: 80846 MOI P/N: 80450 MOI P/N: 80530 Figure 2 – Optional Accessories AEROCET 831 Manual Rev A Page 5...
  • Page 7: Aerocet 831 Layout

    1. Press the Power key for 0.5 seconds or more to turn on the power. 2. Observe the Startup screen for 3 seconds then the Sample screen (Section 3.5) 3. Press Start / Stop key. The AEROCET 831 will sample for one minute and stop. 4. Observe the mass values on the display 5.
  • Page 8: Operation

    The following sections cover the basic operation of AEROCET 831. 3.1. User Interface The AEROCET 831 user interface is composed of a rotary dial, 2 button keypad and a LCD display. The keypad and rotary dial are described in the following table. Control...
  • Page 9: Sample Screen

    Favorite range (default = PM2.5). Select a Favorite range in the Settings Menu (Section 4.2.5) and the AEROCET 831 will pin the Favorite range to the top display line. The second line scrolls (rotary dial) through the remaining ranges and battery capacity. The Sample Screen is shown in Figure 6 below.
  • Page 10 4.2.2. Sample History Press to View Press Select to view history. HISTORY AEROCET 831 will display the last record (Date, Time, 30/MAR/2011 L001 Location, and Record Number). Rotate dial to scroll through 10:30:45 #1000 records. Press dial to view record.
  • Page 11 Press dial to select next digit. Repeat action until last digit. Rotate and Press Last digit. Rotate dial to scroll values. Press dial to exit Edit TIME 10:30:45 mode and return to view screen. AEROCET 831 Manual Rev A Page 10...
  • Page 12: Serial Communications

    The USB drivers on the included Comet CD must be installed before connecting the AEROCET 831 USB port to your computer. If the supplied drivers are not installed first, Windows may install generic drivers that are not compatible with this product.
  • Page 13: Commands

    5.2. Commands The AEROCET 831 provides serial commands for accessing stored data and settings. All commands are terminated by a carriage return. Also, these commands are not case sensitive. The following tables list the available commands. These commands are available via USB. The settings (baud rate, parity and stop bits) must match the computer setting.
  • Page 14: Real Time Output

    5.3. Real Time Output The AEROCET 831 outputs real time data at the end of each sample. The output format is a comma separated values (CSV). The following sections show the format. 5.4. Comma Separated Value (CSV) A CSV header is included for multiple record transfers like Display All Data (2) or Display New Data (3).
  • Page 15: Service Schedule

    6.2.3. Annual Calibration The AEROCET 831 should be sent back to Met One Instruments yearly for calibration and inspection. Particle counter calibration requires specialized equipment and training. The Met One Instruments calibration facility uses industry accepted methods such as ISO and JIS.
  • Page 16: Flash Upgrade

    Cycle and test the battery 6.3. Flash Upgrade Firmware can be field upgraded via the USB port. Binary files and the flash program must be provided by Met One Instruments. Troubleshooting The following table covers some common failure symptoms, causes and solutions. Symptom...
  • Page 17: Specifications

    1.74 lbs – 28 ounces – (0.79 kg) Weight Environmental Operating Temperature 0º C to +50º C Storage Temperature -20º C to +60º C Accessories Battery charger / adapter USB Cable Operation manual Comet software AEROCET 831 Manual Rev A Page 16...
  • Page 18: Warranty / Service

    Warranty / Service AEROCET 831 Manual Rev A Page 17...

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