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Fresenius Umwelttechnik GmbH
Gas Analyzer GA320 N2O CO2 CH4 Data Sheet

Gas Analyzer GA320 N2O CO2 CH4 Data Sheet

Product catalog summary

Overview: The Gas Analyzer GA 320 is designed for measuring up to six IR-active gases with low detection limits and advanced cross-sensitivity compensation. It is suitable for applications in emissions, wastewater treatment plants (WWTPs), recycling, environmental monitoring, and inspections.

Key Features:

Direct display of measured values and user-friendly operation via a touch panel with menu navigation in plain text on an extra-large display.
Precise measurement results even at low detection limits.
Integrated PC for fast data processing and analysis.
High long-term stability and low calibration effort due to patented NDIR measurement method with reference pressure measurement.
Open interface architecture for flexible data transmission (standard RS232).
Low service costs due to reduced maintenance requirements and high operational reliability.

Technical Specifications:

Model: Gas Analyzer 320
Sample Gas Inputs/Outputs: 1 standard, expandable up to 6 inputs; 1 output
Measurement Technology: NDIR dual-pressure reference technology with self-referencing and zero-point correction
Gas Components: N2O, CO2, CH4
Measurement Range: N2O: 0 – 2000 ppmV, CO2: 0 – 10000 ppmV, CH4: 0 – 10000 ppmV
Measurement Uncertainty: N2O: ≤ 3%, CO2: ≤ 2%, CH4: ≤ 2% of measured value
Detection Limit/Resolution: N2O: 0.5 ppm, CO2: 1 ppmV, CH4: 0.1 ppmV
Measurement Interval: 20 seconds
Pressure Tolerance: 0.7 to 1.1 bar
Internal Sample Gas Pump/Flow Rate: 4 l/min
Climatic Conditions: Ambient temperature 5°C - 45°C, Relative humidity ~90%, non-condensing
Operating Voltage: Standard 230 V AC / 50 Hz, Alternative 115 V AC / 60 Hz or 230 V / 60 Hz
Housing: 19" rack-mounted unit, depth 400 mm, IP 20
Weight: 16 kg

Display and Operation:

Touch display 800 x 480 pixels color with menu navigation via 7” resistive touch display.
Electrical Inputs: 4 digital inputs 24 V AC/DC.
Electrical Outputs: 1 digital output “ready” (relay) max 48 V / 500 mA, 4 digital outputs (relay) max 48 V / 500 mA, expandable up to 8.
Data Interfaces: Standard RS232, optional Profibus DP, Ethernet Modbus TCP, Ethernet IP, Profinet, up to 8 analog outputs (galvanically isolated) 4-20 mA.
Operational Readiness: Full specifications reached after 30 minutes.

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

Catalog excerpts

Gas Analyzer GA320 N2O CO2 CH4 Data Sheet-1

The Gas Analyzer 320 enables the measurement of up to 6 IR-active gases for which very low detection limits and a sophisticated cross-sensitivity compensation are required to the highest are required. • High long-term stability and low calibration effort thanks to patented NDIR measurement method with proven reference pressure measurement • Open interface architecture for flexible data transmission (standard RS232) • Low service costs due to reduced maintenance requirements and high operational reliability • Direct measured value display and user-friendly operation via touch panel with menu navigation in plain text on extra-large display • Precise measurement results even when measuring low detection limits • Integrated PC for fast data processing and analysis Fresenius Umwelttechnik GmbH Doncaster-Platz 5 45699 Herten © wwv.fresenius-ut.com #greentech Made in Germany

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Gas Analyzer GA320 N2O CO2 CH4 Data Sheet-2

Technical Data Measurement Technology NDIR dual-pressure reference technology, self-referencing, zero-point correction with every measurement, long-term stable Measurement Range Measurement Uncertainty N2O: ≤ 3% of measured value CO2: ≤ 2% of measured value CH4: ≤ 2% of measured value Detection limit / Resolution Measurement Interval 20 seconds (based on one sample gas inlet) Measured Value Correction Pressure compensation Pressure Tolerance Standard: 0.7 to 1.1 bar (process gas pressure) Internal Sample Gas Pump/ Flow Rate Standard: stainless steel Internal Filter Stainless steel sintered filter...

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Gas Analyzer GA320 N2O CO2 CH4 Data Sheet-3

Technical Data GAS ANALYZER GA 320FOR N2O, CO2, CH4 Display Touch display 800 x 480 pixels color Operation Menu navigation via 7” resistive touch display Electrical Inputs 4 digital inputs 24 V AC/DC Electrical Outputs 1 digital output “ready” (relay) max 48 V / 500 mA 4 digital outputs (relay) max 48 V / 500 mA, expandable up to 8 Data Interfaces Standard: RS232 Optional: Profibus DP, Ethernet Modbus TCP, Ethernet IP, Profinet, up to 8 analog outputs (galvanically isolated) 4-20 mA, freely configurable via display menu Operational Readiness Measurement readiness substance-dependent Full specifications...

Open the catalog to page 3

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