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Fresenius Umwelttechnik GmbH
ExGard Gas Analyzer Data Sheet

ExGard Gas Analyzer Data Sheet

Product catalog summary

Overview
The ExGard gas analyzer is an inline measuring instrument designed for fast and efficient threshold monitoring of toxic and explosive gas mixtures in ATEX Zone 1 environments. It is suitable for integration into various processes, ensuring compliance with regulatory and safety requirements through continuous monitoring.

Advantages

Long-term stability
Diffusion principle
Continuous operation
Temperature-compensated
Simple zero-point calibration
Service-friendly design
Easy integration
ATEX certified

Areas of Application

Solvent monitoring
Surface treatment
Industrial applications
Explosion protection

Technical Specifications

Sample Gas Inputs: 1 (diffusion, required gas flow min. 1 l/min)
Measurement Technology: IR: NDIR dual-beam method
Gas Components: CH4, KWL, Frigene, Butane
Measurement Range: 0–100% LEL (CH4, KWL, Frigene, Butane); 0–5 Vol.% (CO2, KWL, CH4); 0–100 Vol.% (CO2, KWL, CH4)
Measurement Uncertainty: < 1% of measured value and < 0.5% of full-scale value (100% LEL)
Detection Limit / Resolution: 0.25% LEL; 0.01 Vol.% at 0–5 Vol.%
Measurement Interval: 1 s
Measured Value Correction: Temperature compensation
Pressure Tolerance: Standard 0.7 to 1.1 bar (process gas pressure)
Internal Filter: Stainless steel sintered filter
Connection for Sample Gas Line: Bayonet fitting with variable adapters, Standard: 1¼ inch external thread
Climatic Conditions: Ambient temperature 5°–70 °C
Operating Voltage: Standard: 230 V AC / 50 Hz, 0.9 A / 207 VA; Alternative: 115 V AC / 60 Hz or 230 V / 60 Hz
Housing: Epoxy-coated die-cast aluminum / Stainless steel 316
Protection Class: IP68, II 2G Ex db IIC T6 Gb, II 2G Ex mb db IIC T6 Gb
Display: Color display, 320 × 240 pixels
Operation: Via RS485 digital interface
Electrical Outputs: 1 analog 4–20 mA
Data Interfaces: RS485 (ASCII, Modbus RTU)
Operational Readiness: Ready for measurement within 60 s

Contact Information
Fresenius Umwelttechnik GmbH
Doncaster-Platz 5, 45699 Herten
Phone: +49 2366/ 93 96 1 – 10
Email: [email protected]
Website: www.fresenius-ut.com

Catalog excerpts

Inline Analyzer The ExGard gas analyzer is an inline measuring instrument for fast and efficient threshold monitoring of toxic and explosive gas mixtures in ATEX Zone 1 environments. The ExGard gas analyzer can be integrated into virtually any process. Continuous process monitoring ensures compliance with both regulatory and safety-related requirements. Long-term stability Diffusion principle Continuous operation Temperature-compensated Simple zero-point calibration Service-friendly design Easy to integrate ATEX certified Fresenius Umwelttechnik GmbH Doncaster-Platz 5 45699 Herten % wwv.fresenius-ut.com #greentech Made in Germany • Solvent monitoring • Surface treatment • Industrial applications • Explosion protection % /freseniusumwelttechnik Q @fresenius_umwelttechnik /freseniusumwelttechnik @fresenius_UT

Open the catalog to page 1

Technische Daten gas analyzer ExGard INLINE ANALYZER Model ExGard Sample Gas Inputs 1 (diffusion, required gas flow min. 1 l/min) Measurement Technology IR: NDIR dual-beam method Gas Components CH4, KWL, Frigene, Butane Measurement Range 0-100 % LEL (CH4, KWL, Frigene, Butane) Measurement Uncertainty < 1 % of measured value and < 0.5 % of full-scale value (100 % LEL) Detection limit / Resolution 0.25 % LEL Measured Value Correction Temperature compensation Pressure Tolerance Standard 0.7 to 1.1 bar (process gas pressure) Internal Filter Stainless steel sintered filter Connection for Sample Gas...

Open the catalog to page 2

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