2 of the following modules
NO/NO2/NOX | Weight: 12.0 kg⁄26.5 lbs optional: span module |
NH3 | Only combined with NOX module |
O3 | Weight: 5.8 kg⁄12.8 lbs, optional: span module |
SO2 (H2S) | Weight: 8.5 kg⁄18.7 lbs, optional: span module; optional: H2S module |
CO | Weight: 9.0 kg⁄19.8 lbs, optional: span module |
Type approved PM10 or PM2.5 monitor (Thermo 5030 SHARP, Met One BAM1020)
More details You can find here.