Due to several design upgrades, we have older versions still in inventory of two of our popular products. We are offering them at a significant savings while quantities last:
1% CO2, Temp Humidity Data Logger w/o display (CM-0018) These data loggers use AA batteries. No Li-Ion pack included. Brand new with full 1 year warranty. Regularly $550, now $299.
AQ100 Desktop CO2 Meter - CO2 Only (CM-0011) These meters with display use our original PCB without temperature or humidity sensors. Brand new with full 1 year warranty. Regularly $299, now $149.