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Met One 831 Manual

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M
ODEL
M
Met One
Instruments, Inc
1600 Washington Blvd.
Grants Pass, Oregon 97526
Telephone 541-471-7111
Facsimile 541-471-7116
831-9800 Rev D.doc
831
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 831

  • Page 1 ODEL ANUAL Met One Regional Service Instruments, Inc 3206 Main St. Suite 106 1600 Washington Blvd. Grants Pass, Oregon 97526 Rowlett, Texas 75088 Telephone 972-412-4715 Telephone 541-471-7111 Facsimile 972-412-4716 Facsimile 541-471-7116 831-9800 Rev D.doc...
  • Page 2 Copyright Notice Model 831 Manual © Copyright 2012 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

    About the Measurement ......................3 Setup ........................3         2.1. Unpacking ..........................3     2.2. 831 Layout ..........................5     2.3. Initial Operation ......................... 5   Operation ....................... 6       3.1. User Interface ..........................6  ...

  • Page 4: Introduction

    USB port. 1.1. About the Measurement The 831 counts and sizes particles in 7 different size ranges then uses a proprietary algorithm to convert count data to mass measurements (µg/m ). Fundamentally, the 831 calculates a volume for each detected particle then assigns a standard density for the conversion.
  • Page 5 Model 831 Standard Accessories Battery Charger USB Cable 831 Manual MOI P/N 831-9800 MOI P/N: 390031 MOI P/N: 831 MOI P/N: 500787 Calibration USB Drivers CD Comet Software Certificate MOI P/N: MOI P/N: 80248 MOI P/N: 80328 831-9600   Figure 1 – Standard Accessories  ...

  • Page 6: 831 Layout

    2.2. 831 Layout The following figure shows the layout of the Model 831 and provides a description of the components. Inlet Nozzle Display Flow Adjust Charger Jack USB Port Keyboar Rotary Dial Figure 3 – 831 Layout Component Description Display...

  • Page 7: Operation

    The following sections cover the basic operation of Model 831. 3.1. User Interface The 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 8: Sample Screen

    Favorite range (default = PM2.5). Select a Favorite range in the Settings Menu (Section 4) and the 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 9 4.2.2. Sample History Press to View Press Select to view history. HISTORY 831 will display the last record (Date, Time, Location, and 30/MAR/2011 L001 Record Number). Rotate dial to scroll through records. Press to 10:30:45 #1000 view record.
  • Page 10 Press dial to select next digit. Repeat action until last digit. Rotate and Press Rotate dial to scroll values. Press dial to exit Edit mode and DATE 30/MAR/2011 return to view screen. 4.2.8. About View model number and firmware version. 80878-1 V1.0.0 Model 831 Manual Page 9 831-9800 Rev D.doc...

  • Page 11: Serial Communications

    5.1. Connection ATTENTION: The included USB driver CD must be installed before connecting the 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 12: Real Time Output

    Range = 0.10 to 9.99 5.3. Real Time Output The 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 13: Maintenance

    To charge the battery, connect the battery charger module AC power cord to an AC power outlet and the battery charger DC plug to the socket on the side of the 831. The universal battery charger will work with power line voltages of 100 to 240 volts, at 50/60 Hz.

  • Page 14: Flash Upgrade

    6.2.3. Annual Calibration The 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 15: Troubleshooting

    High measurement values 2. Calibration 2. Send to service center 1. Defective battery pack 1. Send to service center Battery pack does not hold 2. Defective charger 2. Contact service center a charge module Model 831 Manual Page 14 831-9800 Rev D.doc...

  • Page 16: Specifications

    1.74 lbs – 28 ounces – (0.79 kg) 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 Model 831 Manual Page 15 831-9800 Rev D.doc...

  • Page 17: Warranty / Service

    Any product found to be defective during the warranty period will, at the option of Met One Instruments, Inc., be replaced or repaired. In no case shall the liability of Met One Instruments, Inc. exceed the purchase price of the product.

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