Extech SD800 CO2, Humidity and Temperature Datalogger

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Records data on an SD card in Excel® format

SD800 monitors air quality in schools, office buildings, greenhouses, hospitals and anywhere that high levels of carbon dioxide are generated. Selectable data sampling rate of 5, 10, 30, 60, 120, 300, 600 seconds or automatic. Maintenance free dual wavelength NDIR (non-dispersive infrared) CO2 sensor. Triple LCD simultaneously displays CO2, Temperature and Relative Humidity. Complete with six AAA batteries, 2G SD memory card, universal AC adaptor, and mounting bracket.

CE    1 Year

PDF Logo    SD800 DataSheet
PDF Logo    SD800 User Manual
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The Extech SD800 meter measures, displays, and stores CO2, temperature and relative humidity readings. Data is stored on a SD card for transfer to a PC. This meter is shipped fully tested and calibrated and, with proper use, will provide years of reliable service

Extech SD800 CO2, Humidity and Temperature Datalogger Features:

  • Checks for Carbon Dioxide (CO2) concentrations
  • Maintenance free dual wavelength NDIR (non-dispersive infrared) CO2 sensor
  • Triple LCD simultaneously displays CO2 , Temperature and Relative Humidity
  • Measurement ranges: CO2 – 0 to 4,000ppm; Temperature – 32 to 122°F (0 to 50°C); Humidity – 10 to 90%RH
  • Datalogger stores readings on an SD card in Excel® format for easy transfer to a PC
  • Selectable data sampling rate: 5, 10, 30, 60, 120, 300, 600 seconds or Auto
  • Complete with six AAA batteries, 2G SD memory card, universal AC adaptor, and mounting bracket

Display :  60 x 50 mm (2.4 x 2.0”) LCD

Measurement sensors :     
Temperature: Internal sensor
Relative Humidity: Precision capacitance type
CO2: NDIR
CO2 Response Time : <2 min to 63% of final reading typical

Memory Card  SD memory card, 1 GB to 16 GB.

Datalogger Sampling Time      5/10/30/60/120/300/600 seconds or Auto.

Temperature Compensation    Automatic

Display update rate                   Approx. 1 second

Data Output                                RS 232

Operating Temperature            0 to 50°C (32 to 122°F) Operating Humidity Less than 90% RH

Power Supply                            9V AC adaptor.

Six (6) AAA (UM4) 1.5 V batteries for clock backup

Weight                                        Meter: 240 g. Probe: 158g

Dimension                                 Meter: 132 x 80 x 32mm

Probe:                                        132 x 38 x 32mm

 Extech SD800 Specifications:
Range Resolution Accuracy (of reading)
Temperature 0.0 to 50.0 °C 0.1°C ± 0.8°C
32.0 to 122.0°F 0.1°F ± 1.5°F
Relative Humidity 10 to 70%  

0.1%

± 4% RH
70 to 90% ± (4% of reading + 1% RH)
CO2 ≤1000ppm  

 

1ppm

± 40ppm
>1000 to ≤3000ppm: ± 5% of reading
>3000ppm ±250ppm typical

 

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