Starting at $731.00

Not in stock. Usually ships in 1-2 weeks [?]

Need Help? Call 1-800-884-4967
Mo-Th 8am to 5:30pm. Fr 8am to 5pm ET


  • Measurement ranges:
    • GMP221: 0 to 2% - 0 to 20% (high concentrations)
    • GMP222: 0 to 2000ppm - 0 to 10,000ppm (low concentrations)

This product is an accessory for the following products:

Vaisala GMT220 Series CO2 Transmitters
Measures carbon dioxide in harsh and humid environments with IP65 housing