Measurement based on UV absorption at 254 nm, single beam
Low power consumption (~6 watt); can be battery operated (optional external lithium-ion battery)
Internal data logger with real-time clock
2-s measurement interval
On-board microprocessor with interactive menus includes data averaging options of 10 s, 1 m, 5 m, 1 hr, and user-defined adaptive filter
USB and RS-232 output of time/date, O₃ concentration, internal temperature and pressure
Analog output (0-2.5 V and 4-20 mA) of ozone concentration in user-selected units and scaling factors
Two 2-level relays for control purposes (e.g., control of ozone source or turn warning light on and off); Four relays on Industrial enclosure models and in the 3-channel and 6-channel optional configurations