Kanomax Model 6710 Air Flow Hood for HVAC Commissioning and Cleanroom Certification

Overview

The Kanomax Model 6710 Air Flow Hood is a precision-engineered instrument for quantitative volumetric airflow measurement in controlled environments. It operates on the principle of integrated differential pressure sensing across a calibrated flow matrix—comprising 16 spatially distributed measurement points—mounted within the hood’s base. This design eliminates reliance on point-sampling extrapolation (as with traditional anemometers), delivering inherently higher reproducibility and reduced operator-induced variability. The unit simultaneously captures airflow volume (m³/h), ambient temperature (°C), and relative humidity (%RH), enabling real-time environmental correlation during HVAC system commissioning, cleanroom certification, and biosafety cabinet validation. Its compact, ergonomic architecture—including a 30° pivotable main body and auto-rotating 3.5-inch color LCD—ensures readability in constrained ceiling plenums or vertical duct access points. Engineered for traceability, the 6710 incorporates built-in backpressure compensation and atmospheric pressure correction algorithms to maintain accuracy across elevation gradients and variable static conditions typical in multi-floor pharmaceutical facilities.

Key Features

• Integrated 16-point flow matrix with differential pressure transducers for high-fidelity volumetric averaging
• Simultaneous triple-parameter acquisition: airflow (40–4300 m³/h), temperature (0–60 °C), and humidity (0–100 %RH)
• Backpressure compensation and automatic atmospheric pressure correction for field-deployed consistency
• 3.5-inch color LCD with auto-orientation and intuitive icon-based navigation—no menu diving required
• Onboard storage of 3,000 complete measurement records with timestamp, location tag, and environmental metadata
• Robust mechanical construction: fiberglass-reinforced support frame; standard 610 × 610 mm hood with 10 optional sizes for ducts, grilles, and HEPA modules
• Compliant power options: 4 × AA alkaline (9 h continuous operation) or external DC 5 V adapter for extended bench testing

Sample Compatibility & Compliance

The Model 6710 is validated for use across diverse air handling configurations—including supply/exhaust diffusers, laminar flow hoods, biological safety cabinets (Class II A2/B2), and terminal HEPA filter banks. Its modular hood system accommodates irregular geometries via interchangeable sizes (e.g., 305 × 1220 mm for linear slot diffusers; 1220 × 1220 mm for large cleanroom returns). All measurements adhere to ISO 14644-3:2019 Annex B (airflow uniformity and total volume verification) and ISO 14644-4:2022 (cleanroom operational qualification). For regulated pharmaceutical manufacturing, the device supports audit-ready workflows: data export via USB/RS232 includes full metadata (operator ID, calibration certificate ID, ambient conditions); optional software enables electronic signatures and 21 CFR Part 11–compliant audit trails when paired with validated PC systems.

Software & Data Management

Kanomax provides dedicated Windows-compatible software (v3.2+) for post-processing, report generation, and trend analysis. Raw datasets retain native resolution—including per-measurement pressure differentials and thermal drift logs—for root-cause diagnostics during HVAC fault isolation. Export formats include CSV (for LIMS integration), PDF (GMP-compliant summary reports with embedded calibration status), and XML (for enterprise MES synchronization). The firmware supports user-defined test templates aligned with ISO 14644-1 classification cycles or internal SOPs, reducing setup time during routine quarterly cleanroom requalification. All stored records include cryptographic checksums to prevent tampering—critical for GLP/GMP audits.

Applications

• HVAC system balancing and TAB (Testing, Adjusting, and Balancing) in ISO Class 5–8 cleanrooms
• Biological safety cabinet (BSC) inflow/average face velocity verification per NSF/ANSI 49
• Pharmaceutical facility qualification: air change rate (ACH) calculation, supply/exhaust ratio validation
• HEPA filter bank leak testing pre- and post-integrity scans (when used with upstream aerosol challenge protocols)
• Energy efficiency audits: quantifying actual vs. design airflow at AHU terminals
• Academic and clinical lab ventilation compliance (ASHRAE 110, EN 12464-1)

FAQ

Does the Model 6710 require annual recalibration?
Yes—Kanomax recommends traceable recalibration every 12 months against NIST-traceable standards, particularly when used in GMP-regulated environments. Certificate of Calibration includes uncertainty budgets per ISO/IEC 17025.
Can the 6710 measure airflow in exhaust ducts with high particulate loading?
Yes—the hood’s sealed sensor cavity and stainless-steel flow matrix resist contamination; however, routine cleaning of the intake mesh and matrix ports is required after exposure to >1 µm particulates.
Is RS232 printer output compatible with modern label printers?
The RS232 interface supports legacy thermal printers (e.g., Epson TM-T88 series) via optional serial-to-USB adapters; direct USB printing is not natively supported.
How does backpressure compensation improve accuracy in low-static-pressure environments?
It dynamically adjusts the flow coefficient using real-time static pressure feedback—correcting for underestimation errors common in high-velocity, low-resistance ducts (e.g., VAV box outlets).
What validation documentation is provided for 21 CFR Part 11 compliance?
Kanomax supplies a Validation Support Package including IQ/OQ protocols, software configuration specification, and electronic signature implementation guide—intended for customer-executed PQ under qualified IT infrastructure.