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Certifications
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US EPA Federal Equivalent Method (FEM) for NO2 (0-500 ppb, 20-30°C),
EQNA-0217-243.
QAL1 Certified by TÜV Rheinland for European standards EN15267 and EN 14211, certificate 0000062070.
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Principle of Measurement
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Direct absorbance of NO2 at 405 nm
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Measurement Modes
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NO2 only; NO only; NO2, NO and NOx
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Linear Dynamic Range
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0-10,000 ppb (0-10 ppm) for NO2; 0-2,000 ppb (0-2 ppm) for NO
(FEM approved for 0-500 ppb NO2 for 20-30°C)
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Resolution
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0.1 ppb
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Precision (1σ rms noise)
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< 0.5 ppb or 0.5% of reading (with adaptive filter1)
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Accuracy
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Greater of 2 ppb or 2% of reading
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Limit of Detection (2σ)
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< 1 ppb (with adaptive filter1)
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Flow Rate (nominal)
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1.5 Liter/min
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Flow Rate Requirement
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Minimum: 1.4 Liter/min; Maximum: 1.6 Liter/min
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Response Time, 100% of Step Change
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10 s for 5-s averaging
20 s with adaptive filter1
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Measurement Frequency
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0.2 Hz (once every 5 s)
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Averaging Times
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5 s, 1 min, 5 min, 1 hr
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SD Card Logger Capacity
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Minimum 2 GB (> 2-year capacity for 5-s measurement mode)
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Internal Data Logger Capacity
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8,192 data lines (5-s avg = 0.47 days; 1-min avg = 5.7 days; 5-min avg = 1.0 mo; 1-hr avg = 0.94 yr)
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Concentration Units
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ppb, ppm, pphm
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Pressure Units
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mbar
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Temperature Units
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°C
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T and P Corrected
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Yes
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Operating Temperature Range
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10 to 50°C (FEM approved for 20-30°C for NO2)
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Power Requirement;
Supplied by 5-amp 110/220 VAC Power Pack (provided) or Battery
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11-14 V dc or 120/240 V ac, 1.4 A at 12 V, 17 watt
Max: 2.9 A at 12 V, 35 watt (warmup)
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Size
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Rackmount: 17" w x 14.5" d x 5.5" h (43 x 37 x 14 cm)
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Weight
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18.6 lb (8.4 kg)
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Data Outputs
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RS232; 0-2.5 V Analog Outputs for NO and for NO2
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Data Transfer Baud Rates
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2400, 4800, 19200
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Output Ranges
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User-Defined Scaling Factor in Menu
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DewLine™
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Yes
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Long-Life Pump
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Yes: 15,000 hr, 1.7 yr of continuous operation
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Flow Meter
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Yes
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Options
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Bluetooth for wireless data transmission; USB output (in place of RS232)
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