GasEye H2O is a high performance in-situ water vapor analyzer. Suitable for safety applications and process control. 24/7 continuous operation. No sample preparation. No zero drift. No field calibration. Low cost of ownership.
Features
• H2O ranges: 0 – 1000 ppmv / 0 – 100%vol
• Process temperatures 0-500°C
• Process pressures 0.7-2.0 barA
• Real time sensing – response time below 0.1 second
• High sensitivity – detection limit below 10 ppm per meter
• High selectivity – automatic compensation for interference effect from other constituents in the gas sample
• In-situ monitoring – direct in the process, no sample preparation
• Maintenance free – equipped with a self-calibrating feature, no field calibration necessary
• Robustness – IP66 enclosure, suitable for outdoor and indoor installations and harsh environments
• Insensitive to dust and smoke in the measured process – up to 50 g/m3.
Example Applications
• Gas quality measurement
• Safety monitoring
• Process control
Example Industries
• Petrochemical industry
• Power industry
• Steel industry
• Chemical industry
| Analytical performance: | |
| H2O measurement range: | 0-30 vol% |
| LoD: | 0.1 vol% *m @STP and 3 sec response time |
| Precision: | LOD or 1% of the measured value, whichever is larger @STP and 3 sec response time |
| Accuracy: | LOD or 2% of the measured value, whichever is larger @STP and 3 sec response time |
| Process dust load: | up to 50 g/Nm3 depending on the process |
| Calibration: | Certified span gas |
| Zero drift and span drift: | negligible |
| Electric characteristics: | |
| Power input: | 24 VDC nominal (19 – 30 VDC) |
| Power consumption: | < 20 VA |
| Dynamic performance: | |
| Warmup time: | approx. 5 minutes |
| Minimum response time (T90): | 200 milliseconds |
| Electric inputs and outputs | |
| Inputs: | 4 x analog input, (4-20 mA, process temperature and pressure, 2 x AUX) – easy user selection via DIP switch between active/passive mode 1 x RTD 8 x Digital input |
| Outputs: | 4 x analog output, (4-20 mA, H2O concentration, process transmission, 2 x AUX, ) active or passive – easy user selection via DIP switch between active/passive mode, selectable signal ranges according to EN 15267-3 or NAMUR NE43 8 x Digital output (MOSFET-based), optionally 4 x dry contact DO |
| Optional: | PROFINET, Modbus (TCP/IP), Modbus RTU, Profibus DPO |
| Local User Interface: | 1. Local User Local User Interface: Interface (LUI) – LCD backlight display located on the transmitter housing lid. 2. Ethernet • WebServer application – system configuration and data acquisition via webbrowser • Windows based program – GasEye logger for real time data acquisition |
| Remote Access: | Ethernet port for remote service and diagnostics |
| Mechanical specification | |
| Degree of protection: | In accordance with IP66 |
| Process flange: | DN50PN16 |
| Process windows: | F.Silica window, Helium leak tested and certified in accordance to EN1779:2002 norm. |
| Instrument dimensions: | |
| Analyzer: | W x H x L: 330 mm x 230 mm x 323 mm |
| Analyzer with probe: | W x H x L: 330 mm x 230 mm x 1600 mm |
| Active optical path length: | L: 2x 578 mm |
| Weight: | Analyzer (including probe): 18 kg Probe: 6 kg |
| Materials: | Housing: aluminium Coating: RAL5010 Process interface: Stainless steel 316 |
| Climatic conditions | |
| Ambient temperature: | 800 – 1200 hPa |
| Ambient humidity: | RH < 99%, non-condensing |
| Measurement conditions | |
| Sample gas pressure: | 0.7 – 2 barA |
| Sample gas temperature: | 0ºC to 500ºC |
| Sensor and Process Purging (Nitrogen) | |
| Purging gas flow rate: | – 50 l/min (process dependent) |
| Safety | |
| Low Voltage Directive (LVD) 2014/35/EU | PN-EN 61010-1:2011 |
| Laser radiation: | Laser Class I product acc. to PN-EN 60825-1:2014-11 |
| EMC Directive 2014/30/EU: | EN IEC 61326-1:2021 |





