Measurement Principle | UV Absorption at 254 nm; Dual Beam |
Linear Dynamic Range | 0.5 ppb to 2.0 ppm |
Resolution | 0.1 ppb |
Precision (1σ; rms noise) | Greater of 0.5 ppb or 1% of reading for 10-s average |
Accuracy | Greater of 1.0 ppb or 2% of reading |
Limit of Detection (2σ) | 1.0 ppb |
NIST-Traceable Calibration | Yes |
Flow Rate (nominal) | ~2 Liter/min |
Flow Rate Requirement | >1.2 L/min |
Baseline Drift | <1 ppb/day <3 ppb/year |
Sensitivity Drift | <0.5%/day <3%/year |
Measurement Time, Frequency | 2 s, 0.5 Hz |
Response Time, of Step Change | 4 s for 2-s averaging; 20 s for 10-s averaging |
Averaging Times | 2 s, 10 s, 1 min, 5 min, 1 hr |
Internal Data Logger Capacity | 14,336 lines (10 s avg. = 1.4 days; 1 min avg = 10 days; 5 min avg = 1.4 mo; 1 hr avg = 1.6 yr); Virtually unlimited capacity with USB Flash Drive |
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 | 10 to 50 °C |
Operating Altitude Range | ~0-30 km (~30-1000 mbar) |
Power Requirement; Supplied by Battery or 110/220 VAC Power Pack | 12 V dc or 120/240 V ac, 1.1 A at 12 V, 13 watt; 8 watt with Touch Screen off |
Size | Rackmount: 17" w x 14.5" d x 5.5" h (43 x 37 x 14 cm) |
Weight | 14.3 lb (6.5 kg) |
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 | Touch Screen Display, USB, RS232, 0-2.5 V Analog, Optional 4-20 mA Analog |
Data Transfer Baud Rates | 1200, 2400, 4800, 19200 |
Output Ranges | User Defined Scaling Factor in Menu |
DewLine™ | Yes |
Long Life Pump | Yes, 20,000 hr |
Flow Meter | Yes |
Options | GPS, Lamp Heater; Bluetooth for wireless data transmission |