Description
Overview
GAOTek Portable Ozone Gas Detector measures ambient O3 concentration in ppb level by utilizing UV photometric absorption technology. The concentration of ambient ozone is proportional to UV light absorption since there is a significant characteristic absorption for ozone on wavelength of 254 nm. Periodical diversion on sample flow passing through the ozone scrubber will generate reference measurement, which is compared with sample measurement to provide stable and representative result.
Features
- Accurate direct UV absorption with reference comparison
- Compliance with US EPA equivalent method
- Various outputs include ethernet and RS232
- User friendly interface with large screen
- Continuous system diagnosis with alarm
- Multi-tasking software allows viewing test variables while operating
- Temperature and pressure compensation
Technical Specifications
| Principle | UV Photometric |
| Standard Range | Max:0 ppm to 10 ppm Min:0 ppb to 100 ppb (Selectable) |
| Zero Noise | 0.4 ppb (RMS) |
| Span Noise | <2.5 ppb (RMS) |
| Lower Detectable Limit | 0.8 ppb (RMS) |
| Zero Drift | ±2 ppb/24 h |
| Span Drift | ±5 ppb/24 h |
| Linearity | <1% F.S. |
| Precision | <1% |
| Response Time | T90< 30 s |
| Output | RS 232/RS 485/Ethernet |
| Calibration | Multi-point Calibrator |