Thermo Scientific 49i Instruction Manual page 5

Thermo Fisher Scientific
Equivalent Method Designation
The Thermo Scientific Model 49i is designated by the United States
Environmental Protection Agency (USEPA) as an Equivalent Method for
the measurement of ambient concentrations of ozone pursuant with the
requirements defined in the Code of Federal Regulations, Title 40, Part 53.
Designated Equivalent Method Number: EQOA-0880-047
EPA Designation Date: August 27, 1980 (amended for Model 49i)
The Model 49i meets EPA designation requirements when operated as
follows:
Range
Averaging Time
Temperature Range
Line Voltage
Pressure Compensation
Temperature Compensation
Flow Rate
RS-232/RS-485 Interface
With or without the following options:
Teflon Particulate Filter
Rack Mounts
Internal Ozonator with Remote Activation
Internal Zero Air Scrubber
I/O Expansion Board
50 to 1000 ppb
10 to 300 seconds
20 to 30 °C
90 to 110 Vac @50/60 Hertz
105 to 125 Vac @50/60 Hertz
210 to 250 Vac @50/60 Hertz
ON or OFF
ON or OFF
1 to 3 LPM
Equivalent Method Designation