KANOMAX Model 6750 Air Flow Hood

Overview

The KANOMAX Model 6750 Air Flow Hood is a portable, handheld volumetric airflow measurement instrument engineered for precision and operational efficiency in HVAC system commissioning, balancing, and routine maintenance. It operates on the principle of integrated multi-point velocity averaging across a calibrated capture hood area—converting spatially resolved air velocity profiles into total volumetric flow (m³/h) using real-time thermal anemometry and cross-sectional area compensation algorithms. Designed specifically for duct terminal devices—including VAV boxes, diffusers, grilles, and exhaust hoods—the Model 6750 delivers traceable, repeatable measurements without requiring upstream straight-run duct conditions or complex setup procedures. Its compact ergonomic form factor, combined with a rigid yet lightweight aluminum-magnesium alloy frame, enables single-operator deployment in confined ceiling plenums, mechanical rooms, and cleanroom environments where access and maneuverability are constrained.

Key Features

• Full-color 4.3-inch TFT LCD display with high-contrast backlight and transparent viewing window—enabling real-time visualization of flow rate, trend graphs, and status indicators even under ambient glare or low-light conditions.
• Integrated Bluetooth 4.2 Low Energy (BLE) module supporting secure, bidirectional communication with iOS and Android mobile applications (KANOMAX AirFlow Manager v3.1+), enabling remote configuration, live data streaming, and automatic report generation.
• Self-calibrating thermal anemometer array with 25 sensing points distributed across the hood’s internal grid—optimized to minimize turbulence-induced errors and ensure representative sampling across non-uniform velocity profiles.
• Rechargeable lithium-ion battery pack providing ≥8 hours of continuous measurement time per full charge, with USB-C fast-charging capability and real-time battery level monitoring.
• On-device data logging capacity for up to 10,000 measurement records, including timestamp, flow value, temperature, humidity, and operator ID—stored in CSV-compatible format for seamless import into Excel or LIMS platforms.
• IP54-rated enclosure with reinforced silicone gasketing at all interface seams—ensuring reliable operation in dusty, humid, or intermittently wet HVAC environments.

Sample Compatibility & Compliance

The Model 6750 is validated for use with standard rectangular and round terminal devices ranging from 150 × 150 mm to 1,200 × 1,200 mm (or Ø150–Ø1,200 mm). Its modular hood adapters support rapid interchange between configurations without recalibration. The instrument conforms to JIS B 8619:2018 (“Measuring Instruments for Air Volume in Ventilation Systems”), and its measurement methodology aligns with ASHRAE Guideline 12-2020 (Commissioning Process for HVAC Systems) and ISO 16813:2021 (Indoor Environmental Quality—Ventilation Performance Assessment). While not certified for FDA-regulated environments, its data integrity features—including timestamped audit logs, user authentication via PIN, and immutable record storage—support adherence to GLP and internal QA protocols in pharmaceutical and biotech facility validation workflows.

Software & Data Management

KANOMAX AirFlow Manager software (Windows/macOS) provides comprehensive post-processing tools, including flow profile heatmaps, deviation analysis against design specifications, and automated compliance flagging per ANSI/ASHRAE Standard 111. All Bluetooth-synchronized data includes embedded metadata (location tag, test date/time, operator ID, instrument serial number), satisfying traceability requirements for ISO 9001:2015 Clause 8.5.2 and ISO/IEC 17025:2017 Section 7.5.2. Export options include PDF reports with digital signature fields, CSV for statistical process control (SPC), and XML for integration with CMMS platforms such as IBM Maximo or Siemens Desigo CC.

Applications

• HVAC system balancing and TAB (Testing, Adjusting, and Balancing) in commercial, institutional, and healthcare buildings.
• Annual performance verification of VAV terminals and constant-volume dampers per ASHRAE 100-2021.
• Exhaust hood face velocity and capture efficiency assessment in laboratory fume hood certification (per ANSI/AIHA Z9.5).
• ISO Class 5–8 cleanroom supply air uniformity mapping and recirculation ratio estimation.
• Post-retrofit verification of energy conservation measures (ECMs), including duct sealing and fan curve optimization.
• Commissioning documentation for LEED EQ Credit 1 (Outdoor Air Delivery Monitoring) and WELL Building Standard Air Quality Imperative 01.

FAQ

What calibration standards does the Model 6750 reference?
The instrument is factory-calibrated against NIST-traceable wind tunnel standards per ISO/IEC 17025-accredited procedures. Users may perform field verification using KANOMAX’s optional NIST-traceable flow calibrator (Model CAL-2000), with documented uncertainty ≤±1.2% of reading.
Can the device measure negative (exhaust) flow?
Yes—the Model 6750 supports bidirectional measurement with automatic sign detection and polarity correction, essential for exhaust hood and fume cabinet assessments.
Is firmware update supported over Bluetooth?
Yes—over-the-air (OTA) firmware updates are fully supported via the KANOMAX AirFlow Manager app, with version rollback capability and SHA-256 checksum validation.
Does it meet FDA 21 CFR Part 11 requirements?
While the device itself is not Part 11-certified, its audit trail functionality (user login, electronic signatures, immutable logs) can be configured to satisfy Part 11 Annex 11 expectations when deployed within a validated QMS framework.
What is the recommended recalibration interval?
KANOMAX recommends annual recalibration under normal usage; however, intervals may be extended to 24 months based on risk assessment per ISO/IEC 17025 Clause 6.6.3 and documented historical stability data.