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Air Flow Meter for iPhone: Mobile Application Connected Bluetooth Anemometers
Quick Answer: An air flow meter for iPhone uses a Bluetooth anemometer to measure air velocity, air temperature, and calculated volume flow. You read values on the phone screen and export CSV data from the app. Silver Instruments recommends the AF-150 Bluetooth anemometer with 0 to 30 m/s range and PT100 air temperature input for HVAC and cleanroom work.
Why Bluetooth Anemometers Replace Handheld Loggers
Many HVAC engineers still carry a handheld vane anemometer, a temperature probe, and a paper log. The Bluetooth type removes the separate display. The iPhone becomes the display and the data recorder.
In practice, a technician in a food plant can walk across a production room, take 12 velocity points at 1.2 m height, and see the average on the phone in real time. The old method takes 20 minutes and manual averaging.
Most engineers skip the built in logger on cheap handheld meters. The phone app is simpler. Because the app shows live trend lines, you can spot unstable airflow before you leave the site.
How the iPhone App Displays Air Velocity, Temperature, and Flow
The Bluetooth anemometer sends data to the iOS app over Bluetooth 5.0. The app shows air velocity in m/s or ft/min. It also shows air temperature from a PT100 sensor and calculates volume flow when you enter the duct width or duct diameter.
For example, you measure a 200 mm round duct. You enter 200 mm in the app. The app multiplies the average velocity by the cross sectional area and shows m³/h on the same screen. No separate calculator is needed.
Data logging runs in the background. You can set the sample interval to 1 second, 5 seconds, or 60 seconds. The app exports a CSV file with timestamps, velocity, temperature, and flow. Most buyers use this for HVAC commissioning reports and cleanroom validation.
Key Specifications to Check Before You Buy
Not every Bluetooth anemometer works well on an iPhone. Check these details before you request a quote.
Air velocity range: 0 to 30 m/s is enough for HVAC, cleanroom, and compressed air leak checks. Accuracy of ±3 percent of reading is normal for a vane probe. A hot wire probe can measure down to 0.01 m/s and is better for laminar flow hoods.
Temperature input: a PT100 sensor is the right choice. It reads air temperature from -20 to 80 °C with 0.1 °C resolution. Many cheap units use a thermistor and drift after a few months.
Data storage: the app should keep at least 1000 data points per session. Export to CSV or PDF is us
Where These Meters Work in the Field
These Bluetooth anemometers are not for liquid flow. They are for air and gas velocity in ducts, hoods, filters, and clean zones.
We have seen a paint manufacturer in Vietnam use one to balance spray booth ventilation. A desalination plant in Oman checked air flow across a control room pressurization fan. A pharmaceutical packaging room in Malaysia used the app to record weekly air changes for an audit.
Because the app saves the data with a time stamp, auditors accept the record. The meter also reduces walking distance. The phone stays on the technician, and the probe reaches a ceiling diffuser with an extension rod.
Silver Instruments Supply and Support
Silver Automation Instruments supplies the AF-150 Bluetooth anemometer kit with the iOS app, a calibration certificate, and a hard carry case. We are not a consumer gadget shop. We serve industrial users and distributors in Southeast Asia, Oceania, Latin America, Africa, and the Middle East.
We keep spare probes and extension rods in stock. We also supply a full range of industrial flow meters such as electromagnetic flow meters from DN15 to DN2000, Coriolis mass flow meters, and thermal mass flow meters for liquid and gas measurement.
Send us your air velocity range, duct size, and application. We will recommend the correct probe type and give you a price. Contact Silver Automation Instruments at Tel: +86-25-68650347, WhatsApp: +86-25-52155837, WeChat: +86 15365082610.
FAQ: Five Questions Buyers Ask
Does the Bluetooth anemometer work with an iPhone and Android?
The standard model supports iOS. The app for Android is also available on request. The Bluetooth module is the same.
Can the app calculate air flow in a rectangular duct?
Yes. Enter the duct width and duct height. The app calculates volume flow in m³/h or CFM.
What is the difference between a vane probe and a hot wire probe?
A vane probe is better for 0.5 to 30 m/s in normal HVAC. A hot wire probe is better for 0 to 5 m/s in laminar flow hoods and cleanrooms.
Do I need a separate calibration certificate?
Each unit ships with a factory calibration report. ISO 17025 calibration is optional for cleanroom use.
How do I get a price for the Bluetooth anemometer?
Send us your required air velocity range, duct size, and country. We reply within 12 hours with a quote and shipping cost.