Dual Beam Ozone Monitor

Indoor Air Quality Meters

Model205

Brand2B / USA

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Ozone measured 0-250 ppm by UV absorption at 254 nm, dual beam
Quiet long-life internal air pump (now standard)
Low power consumption (~8 watt)
Internal data logger (EEPROM), logs 16,383 lines of data
Real-time clock
Both serial and user-scalable analog voltage outputs (4-20 mA current output optional)
Flash card memory (SD card) for virtually unlimited, portable data storage
Three 0-2.5 VDC analog inputs for logging other measurements, such as external temperature, pressure, and humidity
Convenient user interface to microprocessor, including calibration parameters (gain and zero)
Selectable measurement time of 2 s or data averaging times of 10 s, 1 min, 5 min and 1 hr (custom averaging times available)
DewLine™ for elimination of any water vapor interference, a unique feature of 2B Tech instruments
Dual beam feature allows for heightened precision and improved baseline stability for applications where high spatial resolution is required

Gases Monitored
O₃