AGI-O2% Oxygen Analyser – Bench-Top / Panel Model
The AGI-O2% is a compact bench / panel-mounted oxygen analyser for clean, dry gas streams. It provides fast, stable O₂ measurement with a long-life electrochemical sensor, built-in flow control and standard 4–20 mA and RS485 outputs for continuous industrial process monitoring.

Key Features & Benefits
- Measurement ranges: 0–25%, 0–30% or 0–100% V/V
- High accuracy, repeatability and fast T90 response (< 20 seconds)
- Long-life electrochemical oxygen sensor
- Built-in flow meter with adjustable needle valve
- 4–20 mA isolated output and RS485 MODBUS RTU
- Programmable alarm relays and system fault relay
- Rugged powder-coated MS enclosure
- User-friendly zero and span calibration
Technical Specifications
Measurement
Range
0-25% / 0-100% O2 Vol.
Accuracy
±1% of full scale
Resolution
0.01% O2
Sampling & Process
Sample Flow Rate
100 to 500 ml/min
Inlet Pressure
0.1 to 2.0 bar g
Sample Connections
1/4" OD Tube Fittings
Environmental Conditions
Ambient Temperature
0°C to +50°C
Operating Humidity
5 to 95% RH (Non-condensing)
Mechanical
Mounting Type
Bench-Top / Panel Mount
Dimensions
144 mm (W) x 144 mm (H) x 200 mm (D)
Approximate Weight
2.5 kg
Electrical
Power Supply
110/230V AC, 50/60 Hz
Power Consumption
< 20 VA
Outputs
Analog Output
4-20 mA Isolated (Load 600 Ω max)
Digital Communication
RS485 Modbus RTU Protocol
Alarms
Alarm Relays
2 x SPDT Relays (Programmable Low/High)
Contact Rating
5 A @ 230 V AC / 30 V DC
User Interface
Display Type
128 x 64 Graphics Backlit LCD
Keypad
4-Key Tactile Membrane Interface
Industrial Applications
The AGI-O2% Oxygen Analyser provides versatile and high-precision oxygen monitoring solutions for a wide range of industrial processes where gas purity, efficiency, and operational safety are critical requirements.
Nitrogen Generators
Ensuring purity levels in PSA and membrane-based nitrogen generation systems.
Biogas Monitoring
Monitoring oxygen content in methane production for process safety and performance.
Process Gas Analysis
Industrial monitoring in chemicals, pharmaceuticals, and metallurgical processes.
Glove Box Monitoring
Maintaining ultra-low oxygen levels for sensitive material handling and semiconductor research.
Air Separation Units
Critical oxygen measurement for high-purity gas production and process control.
Laboratories & R&D
Precise oxygen measurement for experimental setups and quality control assurance.
TECHNICAL RESOURCES
Access the full AGI-O2% technical datasheet for detailed performance metrics and installation guidelines.
Contact for Quote
Request a detailed technical quotation for the AGI-O2% Oxygen Analyser. Our technical experts will provide a customized solution based on your process requirements and environmental conditions.