Product Description
TA641/TA642 Handheld Digital Anemometer Wind Speed Airflow Meter with Alarm Data Logger for HVAC Industrial Lab Use
TA641/TA642 Handheld Digital Anemometer Wind Speed Airflow Meter with Alarm Data Logger for HVAC Industrial Lab Use1. Note
Integrated Models:
TA640A, TA641A, TA641B, TA642A, TA642B
Split Model:
TA642C – Features a retractable handle design with a 1m telescopic rod and 1m cable, providing a total reach of 2 meters.
Power Supply
TA640A: 2 × AAA batteries
TA641A / TA641B: 3 × AAA batteries
TA642A / TA642B / TA642C: 3 × AA batteries or 5V USB Micro power supply
Measurement Functions
TA640A: Measures wind speed and temperature; includes data hold function
TA641A: Measures wind speed and temperature; equipped with upper/lower limit alarm with screen backlight alert
TA641B: Adds humidity measurement and screen light alarm to wind speed and temperature
TA642A: Measures wind speed, temperature, and air volume; includes audible and visual alarms; stores up to 1000 data sets
TA642B: Same as TA642A, plus USB communication
TA642C: Measures wind speed, temperature, and air volume; includes audible and visual alarms, USB communication, and data storage
Additional Features
Multiple selectable measurement units
4-digit wind speed display (maximum: 9999)
Sampling rate: 2 times per second
Auto power-off after 10 or 15 minutes (manual shutdown supported)
Note: Due to space limitations, not all specifications are listed. Please contact us if you need more details.
2. Parameters
Specification | TA640A | TA641A | TA641B | TA642A | TA642B | TA642C |
Wind Speed Measurement Range | 0.1-30.0 m/s | 0.06-30.0 m/s | 0.06-45.0 m/s | |||
Wind Speed Accuracy | ±(2% + 0.2) | ±0.2 + (±2% of reading) | ±(2% + 0.2) | |||
Wind Speed Resolution | 0.1 m/s | 0.01 / 0.1 / 1 | ||||
Air Temperature Range | 0-45℃ | 0-45℃ (32.0-113.0℉) | ||||
Air Temperature Accuracy | ±2℃ | ±2℃ (±3.6℉) | ||||
Air Temperature Resolution | — | 0.1 / 1 | ||||
Humidity Measurement Range | — | 0~99% RH | — | |||
Humidity Accuracy | — | ±8% RH | — | |||
Wind Speed Display | 4-digit display, up to 9999 | |||||
Sensor Type | Infrared laser beam cutting method | |||||
Sampling Rate | 2 times/second | |||||
Repeatability | — | ±2% | ||||
Data Storage | — | 1000 records | ||||
USB PC Communication | — | ✔ | ||||
Auto Power-Off | 15 minutes (manually switchable) | 10 minutes (manually switchable) | 15 minutes (manual shutdown available) | |||
Operating Environment | -10~50℃, Max 80% RH, indoor altitude < 2000 m | |||||
Storage Environment | -10~50℃, Max 70% RH (remove battery) | |||||
Product Dimensions | 168×59×29 mm | 152×55×33 mm | 239×70×35 mm | 175×70×35 mm | ||
Display Size | 34×31 mm | 37×41 mm | 53×44 mm | |||
Weight | Approx. 120 g (excluding battery) | Approx. 135 g (excluding battery) | Approx. 210 g (excluding battery) | |||
Power Supply | 2 × 1.5V AAA (R03/LR03) | 3 × 1.5V AAA (R03/LR03) | 3 × 1.5V AA (LR06) batteries / USB micro port 5V |
3. Features
Multiple Wind Speed Units
Easily switch between m/s, km/h, ft/min, mph, and knots with a single click for versatile applications.
Comprehensive Measurement Functions
Accurately measures wind speed, air temperature, and air volume. TA641A also includes humidity measurement for enhanced monitoring.
High-Sensitivity 8-Blade Sensor
Features a low-friction design for fast response times and stable, accurate readings.
Detachable Probe with Extendable Reach
Comes with a 1-meter telescopic rod and 1-meter cable, allowing up to 2 meters of extended measurement range.
Data Hold & Max/Min/Average Lock
Easily lock and review real-time data, as well as maximum, minimum, and average values for detailed analysis.
High/Low Limit Alarm with Visual Alerts
Flashing screen and buzzer alert when measurements exceed preset limits, helping prevent safety or operational issues.
USB Data Communication (TA642B/C Models)
Connect to PC via USB for real-time monitoring and easy export of up to 1000 recorded data sets (compatible with Windows 7/8/10).
Dual Power Supply & Auto Power-Off
Supports both battery and USB power. Automatically shuts off after 10–15 minutes of inactivity, with manual shutdown option available.
4. Applications
Ideal for HVAC system inspection, ventilation testing, clean room monitoring, environmental field studies, and industrial air flow diagnostics.
5. FAQs
Q1: How do I switch the wind speed units?
A1: Press the “UNIT” button to cycle through available units: m/s, km/h, ft/min, mph, and knots. The process is fast and user-friendly.
Q2: How does the device record maximum and minimum values?
A2: Press the “MAX/MIN” button during measurement to switch between maximum, minimum, and average value modes, helping you track key data trends.
Q3: What data format is exported by the TA642B/C models? Are charts supported?
A3: Data is exported in .xlsx spreadsheet format via USB. The PC software also provides real-time curve graphs and printable charts for easy analysis and reporting.
About Prime Living
Prime Living is a Canadian online store offering a carefully selected range of quality products for home, automotive, tools, outdoor living, electronics and more.
We are committed to fast order processing, secure packaging and reliable tracked shipping to provide an excellent shopping experience.
Shipping policy
We carefully handle each order to ensure your package arrives quickly and safely. Please note that factors such as weather, postal traffic, or carrier performance may occasionally cause delays beyond our control.
We provide free shipping and dispatch all orders within 2 business days of payment, often sooner. All shipments are sent via international express air shipping, with a tracking number provided so you can follow your order every step of the way.
. Please provide a physical address, as we do not ship to P.O. Boxes.
Returns
Your satisfaction is important to us. Hexlight offers a 14-day Free return policy: if you are not fully satisfied with your purchase, you may request either a full refund or an exchange. All return shipping costs are fully covered by us.
Condition
Brand New
Shipping
This item is shipped directly from our supplier in China with tracking.