Vertical profiling using balloons, kites, RPVs and light aircraft where space and weight are highly limited
Long-term monitoring at remote locations where power is highly limited
Urban arrays of ground-based detectors
Personal exposure monitoring for studies of health effects of air pollutants
Environmental health and safety monitoring
Laboratory studies of the effects of ozone exposure on materials and organisms
GPS for continuous logging of latitude, longitude, and altitude (for 10-s data mode and above)
Bluetooth for wireless data transmission
Rechargeable lithium-ion battery provides 12 hours of continuous operation
External particle filter
Serial-to-USB adapter
Cold-weather package (pump, lamp heater for use down to -20 degrees C)
High-altitude upgrade (pressure sensor for use up to 25 km altitude)
Low-power option
Extra-long-life internal air pump
4-20 mA analog current output
Rack-mount case configuration
Measurement Principle | UV Absorption at 254 nm |
Federal Equivalent Method (FEM) | Yes, EQOA-0410-190 |
Linear Dynamic Range | 0 to 250 ppm |
Resolution | 0.1 ppb |
Precision (1σ; rms noise) | Greater of 1.5 ppb or 2% of reading |
Accuracy | Greater of 1.5 ppb or 2% of reading |
Limit of Detection (2σ) | 3.0 ppb (in 10-s measurement mode) |
NIST-Traceable Calibration | Yes |
Measurement Interval | 10 s (Data averaging options: 1 min, 5 min, 1 hr) |
Flow Rate (nominal) | ~1 Liter/min |
Flow Rate Requirement | >0.6 L/min |
Baseline Drift | < 2 ppb/day < 5 ppb/year |
Sensitivity Drift | < 1%/day < 3%/year |
Measurement Time, Frequency | 10 s, 0.1 Hz |
Response Time, ** of Step Change | 20 s, 2 points |
Averaging Times | 1 min, 5 min, 1 hr |
Internal Data Logger Capacity | 16,383 lines (10-s meas. = 1.9 days; 1-min avg = 11 days; 5-min avg = 1.9 mo; 1-hr avg = 1.9 yr) |
SD Card Logger Capacity | Minimum 2 GB (> 5-year capacity for 10-s measurement mode) |
Ozone Units | ppb, ppm, pphm, µg m-3, mg m-3 |
Pressure Units | mbar, torr |
Temperature Units | °C, K |
T and P Corrected | Yes |
Operating Temperature Range | 0 to 50 °C standard; optional -20 to 50 °C with low temperature modifications (pump and lamp heater cold-weather package) |
Operating Altitude Range | ~0-13.5 km (150-1,013 mbar) standard; optional ~0-25 km (30-1,013 mbar) with upgraded pressure sensor |
Power Requirement; Supplied by battery or 110/220 VAC Power Pack | 11-14 V DC or 120/240 V AC, 600 mA, 7.2 watt (6.2 watt with cell heater unplugged) |
Size | 3.5 x 8.5 x 11 inches (9 x 21 x 29 cm) |
Weight | 5.5 lb (2.5 kg); 2.8 lb (1.3 kg) without instrument case |
Analog Inputs for Internal Logging of Other Instruments | 3 Analog Inputs, 0-2.5 V; For example could log external T, P and RH |
Data Outputs | RS232, 0-2.5 V Analog, LCD Display: (Optional 4-20 mA Current, External USB Converter; request quote) |
Data Transfer Baud Rates | 2400, 4800, 19200 |
Output Ranges | User-Defined Scaling Factor in Menu |
DewLine™ | Yes |
Quiet Long-Life Internal Air Pump | Yes |
Flow Meter | Yes |
Options | Battery; External Particle Filter; Serial-to-USB Converter; GPS (for 10-s data mode and above); Bluetooth; 4-20 mA Current Output; Cold-Weather Package (pump, lamp heater); High-Altitude Upgrade; Extra-Long-Life Internal Air Pump; Low-Power Option; Rack-Mount Case Configuration |
Upgradable to Model 205 Dual Beam | Yes |
Model 202 Ozone Monitor with quiet, long-life internal air pump
AC Power Adapter (100-240 VAC to 12 VDC) with Country-Specific Plug
Flash Card Memory for virtually unlimited data storage
SD Card
SD Card Reader
Cigarette Lighter Adapter
Zeroing Cartridge
Operation Manual on USB Stick
Calibration Data and NIST-Traceable Calibration Certificate
Instrument Birth Certificate
One-Year Warranty