- Measurement Principle：UV Absorption at 254 nm
- Linear Dynamic Range：0 ~ 2,000 μg/m3
- Resolution：0.1 μg/m3
- Precision (1σ rms noise)：Greater of 0.1 μg/m3 or 2% of reading (in 10-s measurement mode)
- Accuracy：Greater of 0.1 μg/m3 or 2% of reading
- NIST-Traceable Calibration：Yes
- Flow Rate (nominal)：~0.8 Liter/min
- Data Storage：8,192 lines (2-s fast mode ~4.6 hr; 10-s meas. mode ~1 day; 1-min avg ~6 days; 5-min avg ~1 mo; 1-hr avg ~1 yr)
- Power Requirement; Supplied by battery or 110/220 VAC Power Pack：7-24 V dc, nominally 250 mA at 12 V, 3.0 watt
- External Battery：7.4 Volt, 1.6 amp hour, Lithium Ion Battery, 5-8 hr
- Size：4.0 x 3.0 x 1.5 inches (10.2 x 7.6 x 3.8 cm)
- Weight：0.75 lb. (0.34 kg)
- Data Transfer Baud Rate：19200
- GPS：Yes
- Sampling Probe：Available as an option