Wintact WT816/WT816A Digital Anemometer Instruction Manual

1. Introduction

The Wintact WT816/WT816A Digital Anemometer is a compact, handheld device designed for precise measurement of air velocity, air temperature, and wind chill. It features a high-definition LCD with backlight, multiple units of measurement, and a Beaufort scale indicator. This instrument is ideal for a wide range of applications, including HVAC system analysis, outdoor sports, environmental monitoring, and industrial use.

2. Safety Information

• Read all instructions carefully before use.
• Do not expose the device to extreme temperatures, humidity, or direct sunlight.
• Keep the device away from strong magnetic fields.
• Ensure the battery compartment is securely closed after battery installation.
• Dispose of batteries according to local regulations.
• Do not attempt to disassemble or modify the device.

3. Package Contents

• 1 x Wintact Digital Anemometer (WT816 or WT816A model)
• 1 x User Manual (English)
• 1 x Lanyard
• 1 x CR2032 3.0V Battery (Note: Battery may not be included in some packages)

4. Product Overview

4.1 Panel Introduction (WT816)

Figure 1: WT816 Anemometer Front Panel

1. Wind wheel
2. Thermal probe
3. MODE Mode key
4. SET Setting key
5. LCD Backlit display

4.2 LCD Display Details

Figure 2: LCD Display Indicators

• Wind temperature indicator
• Wind chill indication symbol (snowflake icon)
• Maximum wind speed and average wind speed indicators (MAX/AVG)
• Unit of air velocity (m/s, Km/h, ft/min, Knots, mph)
• Beaufort scale indicator
• Power indicator
• Temperature unit (°C/°F)
• Air velocity display

5. Setup

5.1 Battery Installation

The anemometer requires one CR2032 3.0V battery. To install the battery:

1. Remove the red protective cover from the device.
2. Locate the battery compartment cover on the back of the device.
3. Use a small screwdriver or coin to twist the battery cover counter-clockwise to open it.
4. Insert the CR2032 battery with the positive (+) side facing up.
5. Replace the battery cover by twisting it clockwise until secure.
6. Reattach the red protective cover.

For a visual guide, please refer to the setup video below:

5.2 Lanyard Attachment

Attach the included lanyard to the designated loop on the device for secure handling and to prevent accidental drops.

Figure 3: WT816 Anemometer with Protective Cover and Lanyard

6. Operating Instructions

6.1 Power On/Off

• To power on: Press the 'MODE' button (WT816) or 'U/M' button (WT816A) for 2 seconds.
• To power off: The device features automatic power-off after a period of inactivity to conserve battery. Manual power off can be achieved by pressing and holding the power button (if available) or by waiting for auto-off.

6.2 Mode Selection

Press the 'MODE' button (WT816) or 'U/M' button (WT816A) to cycle through different measurement modes:

• Current Air Velocity: Displays the real-time wind speed.
• Maximum Air Velocity (MAX): Shows the highest wind speed recorded since power-on.
• Average Air Velocity (AVG): Displays the average wind speed recorded since power-on.

6.3 Unit Selection

Press the 'SET' button (WT816) or 'V/T' button (WT816A) to change the units of measurement:

• Air Velocity Units: m/s (meters per second), Km/h (kilometers per hour), ft/min (feet per minute), Knots, mph (miles per hour).
• Temperature Units: °C (Celsius) or °F (Fahrenheit).

6.4 Backlight

The LCD display features a backlight for improved visibility in low-light conditions. The backlight typically activates automatically when a button is pressed and turns off after a short period of inactivity.

6.5 Wind Chill Indication

When the ambient temperature drops below 0°C (32°F), a snowflake icon will appear on the display, indicating wind chill. This feature helps assess the perceived temperature due to wind.

Figure 4: Wind Chill Indication

6.6 Beaufort Scale

The device includes a dynamic indicator bar that displays the wind power level according to the Beaufort scale, ranging from 0 to 12. This provides a quick visual reference for wind intensity without complex conversions.

Figure 5: Beaufort Scale Indicator

7. Applications

The Wintact Digital Anemometer is widely used in various fields due to its versatility and accuracy:

• HVAC Systems: Measuring airflow in ducts, vents, and air conditioning units.
• Outdoor Activities: For sailing, windsurfing, kite flying, hiking, and other sports where wind conditions are crucial.
• Environmental Monitoring: Assessing wind speed and temperature for weather analysis or site surveys.
• Industrial Use: Checking ventilation systems, fan performance, and air quality in workplaces.
• Home Use: Measuring wind speed around the house, for drones, or small projects.

Figure 6: Extensive Use Cases

8. Specifications

Figure 7: Product Parameters

8.1 Air Velocity

8.2 Temperature

8.3 General Specifications

• Battery: CR2032 3.0V (Not Included)
• Thermometer: NTC thermometer
• Operating Temperature: -10°C ~ +45°C (14°F ~ 113°F)
• Operating Humidity: Less than 90% RH
• Store Temperature: -40°C ~ +60°C (-40°F ~ 140°F)
• Current Consumption: Approx. 3mA
• Weight: 52g (WT816), 84.5g (WT816A with battery and lanyard)
• Dimension: 40x18x105mm (WT816), 47x21x126mm (WT816A)

9. Maintenance

• Clean the device regularly with a soft, dry cloth. Do not use abrasive cleaners or solvents.
• Keep the wind wheel free from dust and debris to ensure accurate measurements.
• If the device will not be used for an extended period, remove the battery to prevent leakage.
• Store the anemometer in a cool, dry place, away from direct sunlight and extreme temperatures.
• Replace the battery when the low battery indicator appears on the display.

10. Troubleshooting

• Device does not power on: Check if the battery is installed correctly and has sufficient charge. Replace the battery if necessary.
• Inaccurate readings: Ensure the wind wheel is spinning freely and is not obstructed. Clean the wind wheel if there is any debris. Make sure the thermal probe is clean.
• Display is dim or flickering: This usually indicates a low battery. Replace the CR2032 battery.
• No wind speed reading: Ensure the device is held in the path of the airflow and the wind wheel is rotating.

11. User Tips

• For best accuracy, hold the anemometer vertically with the wind wheel facing directly into the airflow.
• Avoid touching the thermal probe during temperature measurements as body heat can affect readings.
• The protective cover can be used to shield the wind wheel when not in use, extending its lifespan.
• When measuring wind speed in a specific area, take multiple readings and use the average mode for a more representative value.

12. Warranty and Support

For any issues or questions regarding your Wintact Digital Anemometer, please contact the seller or manufacturer's customer support. Keep your purchase receipt as proof of purchase for warranty claims.