| Paramagnetic oxygen gas analyser - ZAJ | dedicated analyser | O₂ only | Configurable ranges up to 100% vol. O₂. Low concentrations and inverted ranges available depending on the configuration | ≤ 2 seconds, excluding gas transport through the external line | External data acquisition and packaging. Can be mounted in a 19" rack, on a panel, or on a table | Rapid O₂ measurement, process control, industrial furnaces, and applications requiring a wide measurement range |
| Infrared analyser - ZKJ | Dual-beam NDIR analyser | Up to 4 gases from among NO, SO₂, CO₂, CO, CH₄, and N₂O, plus O₂ | From 0–5% vol. to 0–25% vol. O₂ | ≤ 60 seconds, including sample renewal time | External housing. 19" rack mounting and integration into an analysis cabinet | High-performance multigas measurement, low concentrations, boilers, incinerators, furnaces, and continuous emissions monitoring |
| Infrared analyser - ZPA | Single-beam NDIR analyser | Up to 4 gases from among NO, SO₂, CO₂, CO, and CH₄, plus O₂ | From 0–5% vol. to 0–100% vol. O₂. Reverse scale available for O₂-only measurement | 10 to 30 seconds, including sample replacement | External housing. Compact design for 19" racks | Compact multi-gas systems, combustion control, boilers, incinerators, and industrial emissions |
| Infrared analyser - ZRE | Single-beam NDIR analyser | Up to 4 gases from among NO, SO₂, CO₂, CO, and CH₄, plus O₂ | Up to 100% by volume O₂ depending on the selected configuration | ≤ 60 seconds, at a flow rate of 0.5 L/min | External housing. Rack- or panel-mountable, compact design | Continuous emissions monitoring, integration into a compact enclosure, and simultaneous measurement of pollutants and reference O₂ |
| Infrared analyser - ZPA - Marine Applications | NDIR analyser for marine applications | Up to 4 gases from among NO, SO₂, CO₂, CO, and CH₄, plus O₂ | From 0–5% vol. to 0–100% vol. O₂. Reverse scale available for O₂-only measurement | 10 to 30 seconds, including sample replacement | Rack-mounted integration into a marine analysis system with gas conditioning | Monitoring of ship exhaust gases, emission control, and combustion monitoring on board |
| Portable infrared analyser with sampling - ZSVF | NDIR analyser with sampling | Up to 4 gases from among NOx, SO₂, CO₂, CO, and CH₄, plus O₂ | From 0–5% vol. to 0–25% vol. O₂ | ≤ 50 seconds from the time the sample is introduced | Integrated pump, filters, and flow control. Fixed or portable sensor, depending on the application | Temporary measurements, on-site inspections, commissioning, research, and continuous monitoring using a compact sampling system |
| Portable Infrared analyser - ZSVS | portable NDIR analyser | Up to 3 gases from among CO₂, CO, and CH₄, plus O₂ | From 0–5%, 0–10%, or 0–25% vol. O₂ | ≤ 50 seconds | Integrated pump, filter, and flow meter | Portable measurements, spot checks, commissioning, and process diagnostics |
