Related Manuals for Met One Instruments GT-521S
Summary of Contents for Met One Instruments GT-521S
- Page 1 GT-521S 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-521S Manual Rev D...
- Page 2 Copyright Notice GT-521S 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.
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Page 3: Table Of Contents
View Available Memory ..................... 17 5.6.2. Clearing Memory ....................... 17 5.7. Count Alarms Screen ......................17 5.7.1. Alarm Analog Output ......................18 5.8. Serial ............................18 5.8.1. Report Type ........................18 5.8.2. Baud ..........................18 GT-521S Manual Rev D Page 2... - Page 4 8.2. Zero Count Test ........................26 8.3. Flow Rate Test......................... 26 8.4. Annual Calibration ........................26 8.5. Flash Upgrade ......................... 27 Troubleshooting ....................27 10. Specifications ...................... 28 11. Warranty / Service ....................29 GT-521S Manual Rev D Page 3...
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Page 5: Introduction
It is recommended to document and photograph all damaged packages and items before, during, and after unpacking them. Contact Met One Instruments (see the Technical Support section at the beginning of this manual) to arrange for any replacement items needed. - Page 6 ATTENTION: The included USB drivers must be installed before connecting the GT-521S 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. To install USB drivers: Insert the Comet CD.
- Page 7 PN 390031 Carrying Case USB Cable PN 8517 PN 500787 Figure 1 – Standard Accessories T/RH Probe Serial Cable Printer Flow Meter PN G3120 PN 3228 PN G3115 PN 9801 Figure 2 – Optional Accessories GT-521S Manual Rev D Page 6...
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Page 8: Layout
2.2. Layout The following figure shows the layout of the GT-521S and provides a description of each of the components. Isokinetic Inlet Probe T/RH Connector Inlet Nozzle (remove cap) USB Port Serial Port Power Switch Charging Jack Figure 3 – GT-521S Layout... -
Page 9: Default Settings
2.4. Initial Operation Before operating the GT-521S for the first time, it is recommended that the unit be fully charged. Information regarding charging the battery is found in section 6 of this manual. Complete the following steps to verify proper operation. -
Page 10: Operation
The following sections cover the basic operation. 4.1. Power Up GT-521S power is controlled by a slide switch located on the right hand side of the unit. Move the power switch to the on position (towards the top of the case) to power up the unit. -
Page 11: Sampling
1,400 CF Location: Figure 6 – Operate Screen Sampling 4.2.2. Sample Status The top line of the Operate Screen displays the status of the GT-521S while the unit is sampling. The following table shows the various status messages: Status Description GT-521S is starting the sample and is waiting for the count STARTING…... -
Page 12: Warning / Error Messages
Operate Screen or the menu. 4.3.2. Real-Time Serial Output GT-521S provides real-time output on the serial port at the end of each sample. The format of the output is controlled by the report type setting (section 5.8.1). -
Page 13: Count Mode
Figure 9 shows the timing for single samples. Figure 10 shows the timing for multiple samples. Start Stop Sample Time Time Time Figure 9 – Single Sample Start Stop Sample Time Hold Time Sample Time Time Time Figure 10 – Multiple Samples GT-521S Manual Rev D Page 12... -
Page 14: Menu Selections
Sample Setup Screen Figure 11 shows the Sample Setup Screen. The four parameters are covered in the following sections. LOCATION: SAMPLE TIME: 0060 HOLD TIME: 0000 SAMPLES: SINGLE Figure 11 – Sample Setup Screen GT-521S Manual Rev D Page 13... -
Page 15: Location Number
Figure 12 – Settings Screen 5.3.1. Volume The GT-521S supports total counts (TC), particles per liter (/L), particles per cubic foot (CF), and particles per cubic meter (M3). Particle count information updates while the unit is sampling. Concentration values (/L, CF, M3) are time dependent so these values may fluctuate early in the sample;... -
Page 16: Temperature
5.3.2. Temperature The GT-521S displays temperature in Celsius (C) or Fahrenheit (F). 5.3.3. Count mode The GT-521S can display counts in two different modes. These are Normal and Differential. Selection Description NORMAL Displays cumulative counts on the screen and in reports. -
Page 17: Print Data Screen
5.6. Memory Screen The GT-521S memory is composed of a single file which contains the data from sample events. Every time a sample is completed, the GT-521S stores that data into the memory. The GT-521S memory is circular, meaning when the memory is full, the unit will start overwriting the oldest saved samples with new samples. -
Page 18: View Available Memory
1,000 will alarm at 1,000 counts or 1,000 particles per liter or 1,000 particles per cubic foot depending on the count unit setting. COUNT ALARMS OFF SIZE ALARM LIMIT 00000000 00000000 Figure 19 – Set Alarms Screen GT-521S Manual Rev D Page 17... -
Page 19: Alarm Analog Output
Note: When using the optional external printer, set the report type to PRINTER. 5.8.2. Baud Use the Baud Rate selection to set the serial communications baud rate. GT-521S communicates at baud rates from 300 – 38400. The default baud rate is 9600. -
Page 20: Serial Output Mode
5.9. Set Flow Screen The GT-521S has a factory calibrated flow rate of 0.1 CFM (2.83 LPM). Use the following procedure to adjust the flow rate when a periodic flow rate check (Section 8.3) indicates a flow rate error greater than ± 5%. -
Page 21: Set Clock Screen
Figure 25 shows the About Screen. The About Screen shows the firmware version and programmable logic versions on the second line. Press ▲ or ▼ to toggle between the two version numbers. GT-521S 80203 R0.1.0 www.metone.com Figure 25 – About Screen GT-521S Manual Rev D Page 20... -
Page 22: Charging The Battery
To charge the battery, connect the battery charger to an AC power outlet and the DC barrel connector to the socket on the right side of the GT-521S. The battery charger is universal and will work with power line voltages of 100 to 240 volts, 50 to 60 Hz. A discharged battery pack will take approximately 2.5 hours to fully charge. -
Page 23: Serial Communications
GT-521S. ATTENTION: The included USB drivers must be installed before connecting the GT-521S 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 24: Serial Interface
7.1. Serial Interface The serial interface to the GT-521S is a standard 9 pin (DB-9) connector. It is located on the right hand side of the instrument as shown below. Communication with the GT-521S through the RS-232 DB-9 port requires a custom serial cable (PN3228). -
Page 25: Commands
7.2. Commands GT-521S provides serial commands for accessing stored data and settings. They are not case sensitive and are terminated by a carriage return. These commands are all available via the USB, RS-232 and RS-485 hardware interfaces. The serial settings (baud rate, parity and stop bits) in the counter must match the serial settings in the computer for proper communication regardless of the hardware interface type. -
Page 26: Comma Separated Value (Csv)
17 (00010001B) = Low Battery and Size 1 alarm. Low battery Sensor error Not used Not used 7.5. Printer Format The printer output format is 9 lines by 26 characters (including T/RH if attached). GT-521S Manual Rev D Page 25... -
Page 27: Maintenance
Due to the nature of the instrument, there are no customer serviceable components in the GT-521S. The case of the GT-521S should never be removed or opened for any reason. Opening or removing the case of the GT-521S voids the warranty and may result in exposure to laser radiation, which can cause eye injury. -
Page 28: Flash Upgrade
The GT-521S case should never be removed or opened for any reason. Opening or removing the case will void the warranty and may result in exposure to laser radiation, which can cause eye injury. -
Page 29: Specifications
AC Adapter / Battery Charger Iso-kinetic Sample Probe Carrying Case Zero Particulate Filter (PN G3111) Optional RH & Temperature Probe (PN G3120) Flow Meter (PN 9801) Portable Printer (PN G3115) Custom Serial Cable (PN 3228) GT-521S Manual Rev D Page 28... -
Page 30: Warranty / Service
Warranty / Service GT-521S Manual Rev D Page 29...
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