The BA Series Gas Analyzers (comprising models BA 2000, BA 3 select, BA 3 MA, BA 4000 Injection, and BA 4510) are engineered by Bühler Technologies GmbH – a premier German manufacturer world-renowned for advanced industrial gas analysis solutions. This versatile product family is specifically designed to meet the most demanding requirements for Oxygen (O2) measurement and process gas analysis with maximum accuracy, spanning from R&D laboratories to heavy industrial process environments.

The cornerstone of the Bühler BA Series' superior performance is its utilization of the physical Paramagnetic Measuring Principle. Unlike electrochemical or Zirconia sensors that deplete over time or suffer poisoning from cross-interfering sulfur compounds and hydrocarbons, Bühler’s paramagnetic cell offers a non-depleting lifetime, minimal zero-point drift, and complete immunity to sample gas humidity or complex background gas matrices.

The comprehensive model range within the BA Series provides tailored solutions for various application setups:
1. Bühler BA 2000: Standard 19" rack-mount or tabletop gas analyzer featuring wide measuring ranges, clear digital readout, and fast response times, perfectly suited for CEMS monitoring stations and boiler combustion control.
2. Bühler BA 3 select & BA 3 MA: Ultra-compact oxygen analyzers optimized for integration into OEM system cabinets or control panels, offering automatic range switching (auto-ranging) and flexible industrial communication modules.
3. Bühler BA 4000 Injection: A highly specialized analyzer designed for extremely small sample volumes (Micro-samples/Injection samples). It allows direct syringe injection or automated micro-sampling, making it ideal for food Modified Atmosphere Packaging (MAP) inspection, pharmaceutical quality assurance, and analytical labs.
4. Bühler BA 4510: A heavy-duty process gas analyzer equipped with an IP-rated robust enclosure, engineered for continuous 24/7 operation in chemical plants, petrochemical refineries, and corrosive industrial environments.

In addition to top-tier measurement precision, all models in the BA Series come equipped with standard analog outputs (4-20mA / 0-10V), digital communication ports (RS232/RS485), and programmable alarm relays. Deploying the Bühler BA Series gas analyzers enables industrial operators to optimize fuel efficiency, ensure explosion protection, maintain environmental compliance, and enhance end-product quality.

• Manufacturer: Bühler Technologies GmbH
• Product Family: BA Series (BA 2000 / BA 3 select / BA 3 MA / BA 4000 Injection / BA 4510)
• Country of Origin: Germany
• Measuring Principle: Physical Paramagnetic Measuring Cell (Non-depleting)
• Target Gas: Oxygen (O2) and industrial process gases
• O2 Measuring Ranges: 0 - 1 Vol.%, 0 - 5 Vol.%, 0 - 10 Vol.%, 0 - 25 Vol.%, 0 - 100 Vol.% (Configurable / Auto-ranging)
• Measurement Accuracy: < 0.5% of Full Scale
• Repeatability: < 0.1% Vol. O2
• Zero Point Drift: < 0.05% Vol. O2 per week
• Response Time T90: < 3 to 5 seconds (depending on sample gas flow rate)
• Required Sample Gas Flow: 10 l/h to 60 l/h (Model dependent; BA 4000 Injection supports micro-injection volumes from 2 ml)
• Sample Gas Inlet Pressure: 800 mbar to 1200 mbar abs.
• Wetted Materials: 316L Stainless Steel, Glass, PTFE, Viton
• Analog Output: 0/4 - 20 mA (Max load 500 Ohm), 0 - 10 V
• Digital Output: RS232 / RS485 communication ports (Modbus RTU protocol)
• Relay Contacts: 2 to 4 configurable relay contacts for Min/Max thresholds and status alarms
• Display: High-contrast LCD/VFD display with user-friendly menu navigation
• Power Supply: 100 - 240 V AC, 50/60 Hz or 24 V DC (Optional configuration)
• Ambient Operating Temperature: +5°C to +45°C
• Enclosure Rating: IP20 (19" Rack versions BA 2000/BA 3) / Up to IP65 (Industrial process version BA 4510)