Table of Contents
Related Manuals for Met One Instruments GT-324
Summary of Contents for Met One Instruments GT-324
- Page 1 GT-324 ANUAL Met One Instruments, Inc Corporate Sales & Service: 1600 NW Washington Blvd. Grants Pass, OR 97526 Tel (541) 471-7111 Fax (541) 471-7116 www.metone.com service@metone.com GT-324 Manual Page 1 GT-324-9800 Rev B...
- Page 2 Copyright Notice GT-324 Manual © Copyright 2018 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.
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Page 3: Table Of Contents
6.4. Comma Separated Value (CSV) ..................... 17 Maintenance ......................17 7.1. Charging the Battery ........................ 17 7.2. Service Schedule ........................18 7.3. Flash Upgrade ......................... 19 Troubleshooting ....................19 Specifications ...................... 20 Warranty / Service Information .................. 21 GT-324 Manual Page 4 GT-324-9800 Rev B... -
Page 4: Introduction
Introduction The GT-324 is a small lightweight four channel hand held particle counter. Key features include: Simple user interface with multifunction rotary dial (rotate and press) 8 hours continuous operation 4 count channels. All channels are user selectable to 1 of 7 preset sizes: (0.3m, 0.5m, 0.7m, 1.0m, 2.5m, 5.0m and 10m) - Page 5 GT-324 Standard Accessories GT-324 Battery Charger Power Cord USB Cable MOI P/N: 400113 MOI P/N: GT-324 MOI P/N: 390031 MOI P/N: 500787 Calibration GT-324 Manual Comet Software Particle View Certificate Software CD MOI P/N: MOI P/N GT-324- MOI P/N Particle...
- Page 6 GT-324 Optional Accessories Flow Meter MOI P/N: 9801 Figure 2 – Optional Accessories GT-324 Manual Page 7 GT-324-9800 Rev B...
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Page 7: Layout
2.2. Layout The following figure shows the layout of the GT-324 and provides a description of the components. Temp/RH Sensor Inlet Nozzle with Isokinetic Probe Display Flow Adjust Charger Jack USB Port Keyboard Rotary Dial Figure 3 – GT-324 Layout... -
Page 8: Default Settings
5. Rotate the Select dial to view other sizes 6. The unit is ready for use User Interface The GT-324 user interface is composed of a rotary dial, 2 button keypad and an LCD display. The keypad and rotary dial are described in the following table. Control... -
Page 9: Sample Screen
4.1.1. Auto Power Off The GT-324 will power down after 5 minutes to preserve battery power providing the unit is stopped (not counting) and there is no keyboard activity or serial communications. 4.2. Sample Screen The Sample Screen displays sizes, counts, count units, and time remaining. The time remaining is displayed during sample events. -
Page 10: Sampling
A sensor error is reported when the GT-324 detects a failure in the optical sensor. Figure 9 shows a sensor error. 0.5u 6,735 CF Sensor Error! Figure 9 –Sensor Error 4.3. Sampling The following sub-sections cover sample related functions. 4.3.1. Starting/Stopping Press the START/STOP key to start or stop a sample from the Sample Screen. -
Page 11: Settings Menu
Description Assign a unique number to a location or area. Range = 1 – 999 LOCATION The GT-324 has four (4) programmable count channels. The SIZES operator can assign one of seven preset sizes to each count channel. Standard sizes: 0.3, 0.5, 0.7, 1.0, 2.5, 5.0, 10. -
Page 12: Edit Settings
Select dial to edit the Setting. A blinking cursor will indicate edit mode. To cancel edit mode and return to the Settings Menu, press Start/Stop. Edit mode is disabled when the GT-324 is sampling (see below). Sampling… Screen displayed for 3 seconds then return to Settings Menu Press Stop Key 5.2.1. - Page 13 Press dial to select next value. 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. GT-324 Manual Page 14 GT-324-9800 Rev B...
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Page 14: Serial Communications
6.1. Connection ATTENTION: The included USB driver CD must be installed before connecting the GT-324 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 15: Commands
6.2. Commands The GT-324 provides serial commands for accessing stored data and settings. The protocol is compatible with terminal programs such as Comet, Putty or Windows HyperTerminal. The unit returns a prompt (‘*’) when it receives a carriage return to indicate a good connection. -
Page 16: Real Time Output
6.3. Real Time Output The GT-324 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. 6.4. Comma Separated Value (CSV) A CSV header is included for multiple record transfers like Display All Data (2) or Display New Data (3). -
Page 17: Service Schedule
4. The smallest particle size should have a count <= 1. desired. 7.2.2. Annual Calibration The GT-324 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. -
Page 18: Flash Upgrade
7.3. 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 WARNING: There are no user serviceable components inside this instrument. The covers on this instrument should not be removed or opened for servicing, calibration or any other purpose except by a factory-authorized person. -
Page 19: Specifications
3.65” (9.3 cm) Width: 2.00” (5.1 cm) Thickness: 1.6 lbs – (0.73 kg) Weight Environmental: Operating Temperature: 0º C to +50º C 10 – 90%, noncondensing Humidity Storage Temperature: -20º C to +60º C GT-324 Manual Page 20 GT-324-9800 Rev B... -
Page 20: Warranty / Service Information
Warranty / Service Information GT-324 Manual Page 21 GT-324-9800 Rev B...
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