Reed Instruments 77535 Indoor Air Quality Meter

FEATURES

Simultaneously monitors carbon dioxide (CO2), relative humidity and temperature Instantaneous readings are displayed on a high resolution LCD with backlight Dew point and wet bulb temperatures can also be displayed Displays STEL readings (Short-Term Exposure Limit) over a 15-minute period and TWA readings (Time-Weighted Average) over a period of 8 hours Hold function freezes displayed reading Maximum, minimum and average functions Low drift, non-dispersive infrared CO2 sensor Audible warning alarm of excessive CO2 concentrations RS232 output