Reed Instruments 77535 Indoor Air Quality Meter

• Dew point and wetbulb tempreatures can also be displayed
• Instantaneous readings are displayed on a high resolution LCD with backlight
• 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 readings
• Maximum, minimum, and average functions
• Low drift, non-dispersive infrared CO2 sensor
• Audible warning alarm of excessive CO2 concentrations
• RS-232 serial interface

Reed 77535 Specifications: