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EXTECH SD800 Air Quality Datalogger

The Extech SD800 is a versatile CO₂, temperature, and humidity datalogger designed for monitoring air quality in various environments such as schools, offices, greenhouses, and hospitals. It features a maintenance-free dual-wavelength NDIR sensor for accurate CO₂ measurement from 0 to 4,000 ppm. The device displays CO₂ levels, temperature, and humidity simultaneously via a triple LCD. With a datalogging capacity of 20 million readings onto a 2GB SD card, it offers selectable sampling intervals from 5 to 600 seconds or auto mode. Compact and easy to use, it comes with batteries, a memory card, AC adaptor, and mounting hardware.

Authorized Distributors
Source:DigiKey
Part No:SD800
Stock:0
Inv Date:06-05-2026
Price: Unit price: $509
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Part No:SD800
Stock:3
Inv Date:06-06-2026
Price: Unit price: $505.04
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Part No:SD800
Stock:0
Inv Date:06-05-2026
Price: Unit price: $509
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Part No:SD800
Stock:0
Inv Date:06-05-2026
Price: Unit price: $509
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Part No:SD800
Stock:5
Inv Date:06-05-2026
Price: Unit price: $495.14
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Part No:SD800
Stock:5
Inv Date:06-05-2026
Price: N/A
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Part No:SD800
Stock:0
Inv Date:06-05-2026
Price: Unit price: $599
Buy/RFQ:
Part No:SD800
Stock:0
Inv Date:06-05-2026
Price: Unit price: $509
Buy/RFQ:
Part No:SD800
Stock:5
Inv Date:06-05-2026
Price: Unit price: $495.14
Buy/RFQ:
Authorized Distributors
Part No:SD800
Stock:0
Inv Date:06-05-2026
Price: N/A
Buy/RFQ:
Part No:SD800
Stock:0
Inv Date:05-11-2026
Price: N/A
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EXTECH SD800 Air Quality Datalogger Specifications:

  • CO₂ Measurement Range: 0 to 4,000 ppm
  • CO₂ Accuracy: ±40 ppm (<1000 ppm); ±5% rdg (>1000 ppm)
  • CO₂ Resolution: 1 ppm
  • Temperature Range: 32°F to 122°F (0°C to 50°C)
  • Temperature Accuracy: ±1.8°F / 0.8°C
  • Temperature Resolution: 0.1°F / 0.1°C
  • Humidity Range: 10% to 90%
  • Humidity Accuracy: ±4.9% RH
  • Humidity Resolution: 0.1%
  • Datalogging Capacity: 20 million readings on 2GB SD card
  • Dimensions: 5.2 x 3.1 x 1.3 inches (132 x 80 x 32 mm)
  • Weight: 9.9 oz (282 g)
  • Power: 6 AAA batteries, AC adaptor required for operation
  • Sampling Rate: 5, 10, 30, 60, 120, 300, 600 seconds or Auto
  • Display: Triple LCD showing CO₂, temperature, humidity
  • Memory: 2G SD card included

Buy the Buy Extech CO₂ Temperature Humidity Datalogger Part Number SD800 Online

Purchase the Extech SD800 Air Quality Datalogger online for reliable measurements of carbon dioxide, temperature, and humidity. Its maintenance-free dual-wavelength NDIR sensor ensures accurate CO₂ detection from 0 to 4,000 ppm. The triple LCD icons display real-time data for easy reading, while the datalogger stores up to 20 million readings on a 2GB SD card for comprehensive analysis. With configurable sampling intervals from 5 to 600 seconds, this compact device is ideal for monitoring indoor air quality in various settings. Simplify data transfer and enhance environmental monitoring quality.

Get Extech SD800 datalogger today—engineered for precise air quality monitoring in commercial and residential environments.

Frequently Asked Questions

Where can I buy EXTECH SD800?

You can click on the BUY or RFQ button to purchase SD800 from an authorized EXTECH distributor.

How do I troubleshoot issues or seek technical support for part SD800?

You can download the SD800 datasheet or visit the EXTECH website for support.

Who is the manufacturer of SD800?

EXTECH

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