• C02: O « 6,000 ppm range, Diffusion sampling mode.
• Three LCD Display for C02 , %RH Humidity and Air Temperature.
• Maintenance free dual wavelength NDIR infrared C02 senso r (non-dispersive infra red).
• Continuous or manual data logging (16,000 sets).
• Data hold & Maximum / Minimum with Time stamp.
• Data Memory and READ function.
• Alarm and Time setting.
• RS-232 function / Software.
• Backlight display function.
• Simple and safe to use.