AOPUTTRIVER 856A HVAC Anemometer CFM/CMM Airflow Meter with USB Data Log, Detachable Probe

The AOPUTTRIVER 856A HVAC Anemometer is a handheld CFM/CMM airflow meter that measures air volume, wind velocity and temperature, and exports up to 600 logged readings to a Windows PC via USB.

Compact yet feature-rich, the 856A packs a detachable extendable probe, a backlit LCD and onboard storage into a portable instrument built for HVAC technicians, building inspectors and energy auditors. It reports airflow directly in CFM or CMM after you enter the duct area, displays wind speed in five unit choices, and saves measurement sets that can be transferred to a PC for analysis and reporting.

How accurate and responsive is the AOPUTTRIVER 856A for HVAC tasks?

This meter delivers precise airflow and wind-speed readings designed for professional use. Wind velocity is measured up to 45 m/s (100 mph) with a stated accuracy of ±3% plus 0.2 of reading, while airflow calculations offer fine resolution for large and small ducts.

• Wind speed range: up to 45 m/s (100 mph) with ±3% + 0.2 rdg accuracy
• Airflow: up to 999,900 CFM/CMM with 0.001 resolution when duct area is entered
• Temperature range: 32°F–113°F (0°C–45°C) for common HVAC environments
• Measurement modes include MAX, MIN, AVG and 2/3 MAX for trend analysis

What data logging and PC reporting options are available?

The 856A stores up to 600 measurement records internally and lets you export them to a Windows computer via USB. Included software and drivers enable real-time recording and report generation on compatible Windows systems, making the meter useful for inspections and documentation.

• Onboard memory: stores up to 600 measurement sets
• USB connectivity: export data to Windows PCs using the supplied cable and CD
• Software compatibility: supports older and modern Windows versions for report creation
• Real-time logging: capture live measurements directly to PC for analysis

How practical is the device in the field and what accessories help reach difficult spots?

The handheld meter is built for mobility: a detachable extendable probe with flexible cable reaches well into ducts, vents and plenums while the meter remains in your hand. A large backlit LCD and data-hold function make readings easy to record even in low-light areas.

• Detachable extendable probe with flexible cable for deep duct access
• Large backlit LCD that shows speed, airflow, temperature and Beaufort simultaneously
• Data hold freezes readings for photographing or manual records
• Auto power-off preserves battery life during long jobs

Who is this for? The AOPUTTRIVER 856A is intended for HVAC technicians, service contractors, building inspectors, energy auditors and facility maintenance teams who need reliable airflow and velocity measurements plus PC-based logging and reporting. It’s a solid field tool when you need direct CFM/CMM results, flexible probe reach, and the ability to save and export measurement sets for job records or compliance documentation.