Retro-commissioning: New style data logger

Multiple Parameter Environmental Logger From
FLINT, Mich.—The K-33 ELG Data Logger from, a subsidiary of SundaeCorp, enables users to remotely measure CO
2, temperature and relative humidity over an extended time using a small, easily transported, battery-operated device. The device can "wake up," take measurements and go back to "sleep" up to 5,200 times on four AA batteries. It features the company's dual infrared NDIR sensor technology.