| Specifications | 
| Ranges: | 0-50 ppb to 0-20,000 ppb full scale, user selectable. Independent NO, NO2, NOX ranges and autoranging supported | 
| Units: | ppb, ppm, µg/m3, mg/m3 | 
| Zero noise: | < 0.2 ppb (RMS) | 
| Span noise: | < 0.5% of reading (RMS) above 50 ppb | 
| Lower Detectable Limit (LDL): | 0.4 ppb | 
| Zero drift: | < 0.5 ppb/24 hours, < 1 ppb/7 days | 
| Span drift: | < 0.5% of reading/24 hours, < 1% of reading/ 7 days | 
| Lag time: | 20 seconds | 
| Rise and Fall Time: | < 60 seconds to 95% | 
| Linearity: | 1% of full scale | 
| Precision: | 0.5% of reading | 
| Sample Flow Rate: | 500 cm3/min ±10% | 
| Operating Temperature Range: | 5 - 40° C (with EPA Equivalency) | 
| Dimensions (HxWxD): | 7” (178 mm) x 17” (432 mm) x 23.5” (597 mm) | 
| Weight: | Analyzer - 40 lbs (18 kg) | 
| Power: | 100V - 120V, 220V - 240V, 50/60 Hz, 250W | 
| Analog outputs: | 10V, 5V, 1V, 0.1V, selectable | 
| Recorder Offset: | ±10% | 
| Serial Outputs: | Serial Port 1: RS-232 (DB-9M) | 
| Status (Digital): | 8 outputs, 6 inputs (opto-isolated), 4 alarm outputs (optional) | 
| Current Output: | Optional 4-20mA, select up to three channels | 
| Approvals: | USEPA RFNA-1194-099,  |