Skip to Content

GasEye Probe H2O

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/EUPN-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
0.00 0.00
0.00


  • Liquids
Liquids: H₂O