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Triplett GSM220 User Manual

Co2 monitor and datalogger
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User Manual
GSM220
CO
2 Monitor and Datalogger
Introduction
Congratulations on your purchase of the Model GSM220 Carbon Dioxide
Monitor and Datalogger. The GSM220 measures, displays, and logs CO2
level, air temperature, relative humidity, date, and time. The included
Windows-based software and USB cable allow you to set up the
datalogger and transfer logged data to your PC. The GSM220 is an ideal
instrument for indoor air quality (IAQ) monitoring.

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Summary of Contents for Triplett GSM220

  • Page 1 The included Windows-based software and USB cable allow you to set up the datalogger and transfer logged data to your PC. The GSM220 is an ideal instrument for indoor air quality (IAQ) monitoring.
  • Page 2 Description METER DESCRIPTION LCD Multifunction display Power LED indicator (blinks while datalogging) Control buttons Power adaptor jack, USB port, and sensors on back of meter LCD DESCRIPTION CO2 concentration in ppm Date and Time Air Temperature % Relative Humidity FUNCTION INDICATORS CO2 measurement units GOOD/NORMAL/POOR CO2 air quality levels...

  • Page 3: Operation

    The air quality level is also displayed (GOOD, NORMAL, or POOR). Measurements The GSM220 starts measuring as soon as it is powered and updates readings once per second. If the operating environment changes (from high to low temperature, for example), it will require 2 minutes for the CO2 sensor to respond and 10 minutes for the humidity sensor to respond.

  • Page 4: Data Logging

    Extech website. Connect the GSM220 to a PC using the supplied USB cable. The USB port is located on the back of the GSM220. Install the software, open it, and refer to the program HELP utility for complete operational information.

  • Page 5: Setup Mode

    threshold (that cancels the alarm). See the Setup mode to set these threshold settings. The audible alarm can be manually silenced by pressing any key, or it will automatically stop when the CO2 reading is no longer in the alarm region (the user can subsequently press and hold the RESET button to re- activate the alarm, if desired).
  • Page 6 ▲ or ▼ button to increase or decrease the value. Each Press the press adjusts in 100 ppm increments. The range is 0 to 700 ppm (default is 700 ppm). When the value has been set, press the SET button to confirm the ‘GOOD’ threshold and move to P1.2 for setting the ‘NORMAL’...
  • Page 7 Caution: Set the alarm value within the specified range of the GSM220 where accuracy is assured. Out of specification readings are for reference only. P2.0 Temperature Units ▲ Press the button in P1.0 mode to access P2.0 for setting the temperature display units.
  • Page 8 the ▲ Press button from P3.2 to access P3.3. The current DATE (day) setting ▲ or ▼ will blink. To change the day, press the button. Press the button to save the setting and move to P3.4 (or press the button to return to P3.0 without saving).
  • Page 9 CO2 level of approximately 400ppm at some point during the monitoring period. Note that It is not suitable to use the GSM220 in closed areas with consistently high CO2 levels 24 hours a day.

  • Page 10: Specifications

    Specifications Function Range Resolution Accuracy 0 to ± (5%rdg + 9999ppm 1ppm 50ppm) -10 to 60°C (14 to Temperature 140°F) 0.1° ± 0.6°C (0.9°F) 0.1 to ± 3% (10 to 90%) Humidity 99.9% 0.1% ± 5% (< 10% or > 90%) Display Multi-function LCD...

  • Page 11: Maintenance

    PC software and USB driver from Download Triplett Product Software — Triplett — Triplett Test Equipment & Tools USB cable is included with the GSM220. 14 to 140°F (-10 to 60°C); < 90% RH non- Operating Conditions condensing -4 to 140°F (-20 to 60°C); <99% RH non-...

  • Page 12: Troubleshooting

    Troubleshooting Level Guidelines Important: The public information provided below is offered for reference only. 1. 250 - 350 ppm: Normal background outdoor levels.

  • Page 13: Warranty

    Triplett / Jewell Instruments extends the following warranty to the original purchaser of these goods for use. Triplett warrants to the original purchaser for use that the products sold by it will be free from defects in workmanship and material for a period of (1) one year from the date of purchase.

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