Dräger Aerotest Simultan HP Portable Compressed Air Quality Analyzer

Overview

The Dräger Aerotest Simultan HP is a portable, self-contained compressed air quality analyzer engineered for rapid, on-site verification of breathing-grade air in high-pressure systems—such as SCBA cylinders, diving air compressors, fire service breathing apparatus fill stations, and industrial respiratory protection infrastructure. Unlike electronic sensor-based analyzers, the Aerotest Simultan HP employs standardized colorimetric gas detection tubes operated under controlled flow and pressure conditions. This method relies on stoichiometric chemical reactions between target analytes (CO, CO₂, oil aerosol, and water vapor) and reagent-impregnated silica gel inside calibrated glass tubes. The resulting color stain length is directly proportional to concentration, enabling quantitative assessment without external power, calibration gases, or software dependencies. Designed in accordance with DIN EN 12021:2014 and compatible with ISO 8573-1:2010 (Class 1–3 for particles, water, and oil), the instrument delivers field-deployable compliance verification for occupational health and safety regulations governing respiratory protective equipment.

Key Features

• True high-pressure operation: validated up to 300 bar, eliminating need for external pressure reduction in most filling station configurations
• Simultaneous four-parameter analysis: single test sequence quantifies CO, CO₂, total oil content (as hydrocarbon aerosol + vapor), and water vapor in ≤5 minutes
• No battery or mains power required: fully mechanical flow control and manual timing ensure operational reliability in remote, hazardous, or electrically restricted environments
• G5/8 and INT interface compatibility: direct connection to standard high-pressure air supply lines, breathing air compressors, and cascade filling manifolds
• Modular tube-based architecture: interchangeable, pre-calibrated detection tubes with lot-specific traceable certificates (ISO/IEC 17025 accredited production)
• Integrated flow regulator supporting precise 0.2 L/min (for CO/CO₂) and 4.0 L/min (for oil/water) delivery rates—critical for measurement reproducibility
• Compact, impact-resistant carrying case (300 × 360 × 80 mm; ~3 kg) containing all components: pressure regulator, quad-tube holder, timer, tube opener, instruction manual, and starter set of 40 tubes (10 per parameter)

Sample Compatibility & Compliance

The Aerotest Simultan HP is validated exclusively for compressed breathing air applications meeting EN 12021:2014 requirements—including medical, firefighting, diving, and industrial escape breathing systems. It does not support ambient air, process gas, or low-pressure utility air testing. Each detection tube type is certified per relevant European Pharmacopoeia (Ph. Eur.) and ISO methodologies: CO and CO₂ tubes conform to ISO 6391-1; oil tubes follow DIN 58811-2 gravimetric equivalence protocols; water vapor tubes are calibrated against chilled mirror hygrometer references traceable to NIST. All measurements satisfy audit requirements under OSHA 1910.134, HSE INDG355, and EU Directive 89/656/EEC. Full documentation—including tube batch certificates, pressure regulator calibration records, and operator training logs—supports GLP-compliant record retention and internal QA review.

Software & Data Management

The Aerotest Simultan HP operates independently of digital systems and does not incorporate embedded firmware, Bluetooth, or cloud connectivity. Data integrity is maintained through analog measurement principles: users record color stain lengths manually using the included scale ruler, then reference printed calibration curves supplied with each tube batch. Completed test sheets—containing date, operator ID, system pressure, flow rate, tube lot numbers, and calculated concentrations—are retained as original hard-copy records. These forms meet FDA 21 CFR Part 11 “paper-based equivalent” provisions when signed, dated, and stored per organizational document control SOPs. Optional digital logging is achievable via third-party LIMS integration using standardized PDF or CSV templates generated from scanned test reports.

Applications

• Fire department SCBA cylinder quality assurance prior to deployment or post-refill
• Annual certification of hospital medical air compressor output per HTM 02-01 and ISO 7396-1
• Offshore platform breathing air manifold validation under DNVGL-RP-050
• Compliance auditing for NIOSH-certified respirator programs in petrochemical refineries
• Verification of filter efficiency in high-pressure breathing air purification systems (e.g., activated carbon + coalescing + desiccant stages)
• Root cause analysis of moisture-related corrosion in pneumatic tool supply lines
• Training and competency assessment for compressed air safety officers and maintenance technicians

FAQ

Does the Aerotest Simultan HP require periodic recalibration?
No. Calibration is intrinsic to each detection tube batch and verified at manufacture per ISO 17025. Users must only confirm tube expiration date and store tubes per manufacturer instructions (cool, dry, dark).
Can it measure oxygen or nitrogen content?
No. The instrument is purpose-built for CO, CO₂, oil, and water vapor only. Oxygen deficiency or enrichment requires dedicated electrochemical or paramagnetic analyzers.
Is it suitable for continuous monitoring?
No. It is a discrete, grab-sample analyzer intended for spot-check verification—not real-time or alarm-driven surveillance.
What maintenance does the unit require?
Only visual inspection of seals, gaskets, and flow regulator orifices before each use; no scheduled servicing or consumables beyond replacement detection tubes.
How are measurement uncertainties reported?
Each tube datasheet specifies expanded uncertainty (k=2) per ISO 5725: e.g., ±12% for CO (5–150 ppm), ±8% for water vapor (2–450 mg/m³), traceable to national metrology institutes.