MKN AVM-01 Digital Vane Anemometer
| Brand | MKN |
|---|---|
| Model | AVM-01 |
| Measurement Principle | Rotational vane anemometry |
| Velocity Range (m/s) | 0.3–45.0 |
| Resolution (m/s) | 0.1 |
| Accuracy | ±3% of reading or ±0.1 digit |
| Units | m/s, knots, ft/min, km/h |
| Blade Diameter | 52 mm |
| Power | 2 × AAA batteries (included) |
| Operating Temperature | 0–50 °C |
| Relative Humidity | ≤80% RH (non-condensing) |
| Compliance | CE, RoHS |
Overview
The MKN AVM-01 Digital Vane Anemometer is a portable, battery-powered instrument engineered for reliable and repeatable air velocity measurements in HVAC commissioning, indoor air quality (IAQ) assessments, ventilation system balancing, and environmental field surveys. It employs a precision-calibrated 52 mm rotating vane sensor based on rotational anemometry—a well-established principle where airflow induces proportional angular velocity in a low-inertia impeller, converted via Hall-effect sensing into digital velocity output. Unlike thermal anemometers, the AVM-01 maintains stable performance across variable temperature and humidity conditions without drift-induced recalibration needs. Its compact form factor and ergonomic grip facilitate one-handed operation in confined ducts, ceiling plenums, or outdoor wind profiling scenarios—making it suitable for both routine maintenance technicians and certified energy auditors requiring traceable, field-deployable data.
Key Features
- 52 mm high-efficiency vane rotor with balanced aluminum blades for rapid response and minimal turbulence disturbance
- Multi-unit display: simultaneous real-time readout in m/s, knots, ft/min, and km/h—switchable via single-button interface
- Auto-zero function to compensate for mechanical offset during static calibration
- Data hold mode with peak/minimum value capture for transient flow events
- Backlit LCD with large-digit readability under low-light conditions (e.g., duct interiors or night inspections)
- Low-power consumption design supporting >200 hours of continuous operation on two AAA alkaline cells
- IP54-rated housing for resistance against dust ingress and incidental water splashing during field use
Sample Compatibility & Compliance
The AVM-01 is optimized for gaseous media at ambient pressure (95–105 kPa) and temperatures between 0 °C and 50 °C. It is not intended for use in corrosive, explosive, or particulate-laden airstreams exceeding ISO 14644 Class 8 cleanliness limits. While not certified to ISO/IEC 17025 for accredited laboratory calibration, its factory calibration traceability aligns with NIST-traceable standards per manufacturer documentation. The device complies with EU Directive 2014/30/EU (EMC) and 2011/65/EU (RoHS), and bears the CE marking for conformity with applicable health, safety, and environmental protection requirements. For GMP or ISO 14644-3 cleanroom validation tasks, users must perform periodic verification using a reference standard anemometer (e.g., NIST-traceable pitot-static tube or calibrated hot-wire probe) and document results per internal QA procedures.
Software & Data Management
The AVM-01 operates as a standalone measurement tool without embedded Bluetooth or USB connectivity; therefore, no proprietary software suite or cloud platform integration is provided. All recorded values—including max/min/hold readings—are retained only in volatile memory during active operation and are not stored upon power-off. Users requiring audit trails or electronic records must manually transcribe readings into external systems compliant with 21 CFR Part 11 (if used in regulated pharmaceutical or medical device environments). For routine HVAC reporting, the device supports direct inclusion in Excel-based airflow balance sheets or PDF inspection reports generated by third-party building diagnostics platforms.
Applications
- HVAC system commissioning and TAB (Testing, Adjusting, Balancing) per ASHRAE Guideline 1 and NEBB Procedural Standards
- Occupied space air change rate estimation in accordance with ASHRAE Standard 62.1
- Duct traverse velocity profiling for total volumetric flow calculation (when paired with duct dimension data)
- Local exhaust ventilation (LEV) hood face velocity verification per OSHA Technical Manual Section III: Chapter 5
- Outdoor microclimate monitoring for green building certifications (LEED EQc2, BREEAM HEA 01)
- Educational laboratory exercises in fluid mechanics and environmental engineering curricula
FAQ
Is the AVM-01 suitable for cleanroom airflow uniformity testing?
It can be used for preliminary screening but lacks the ISO 14644-3 required uncertainty budget (<±2%) and spatial resolution for formal certification; a Class 1.5 or better reference-grade anemometer is recommended.
Does the unit support data logging?
No—the AVM-01 does not feature internal memory or external interface capability for time-series recording.
What is the recommended calibration interval?
Annual calibration is advised for critical applications; more frequent verification (e.g., pre- and post-job) is required when used in regulatory compliance contexts.
Can it measure reverse airflow direction?
No—the vane mechanism is unidirectional; it indicates zero or erratic values under reverse flow and is not rated for bidirectional measurement.
Is the 52 mm vane compatible with standard 100 mm × 100 mm duct grids?
Yes—the compact head allows insertion through typical access ports and facilitates grid-based traverses when used with a manual traverse rod or fixed-mount jig.
