1. Introduction
The BTMETER HP-816B is a compact and portable handheld digital anemometer designed for precise measurement of wind speed and temperature. It is an essential tool for various applications including HVAC testing, outdoor sports, weather monitoring, and industrial use. This manual provides detailed instructions to help you operate and maintain your device effectively.
2. Package Contents
Upon unpacking, please ensure all the following items are included in your package:
- HP-816B Digital Anemometer
- Instruction Manual (English)
- Lanyard
- CR2032 3.0V Battery
- Package Box
3. Product Features
The HP-816B Anemometer offers a range of features for accurate and convenient measurements:
- Wind speed & temperature measurement
- Wind chill indication
- Temperature display in Celsius or Fahrenheit
- Support for 5 different wind speed measurement units (m/s, km/h, mph, knots, ft/min)
- Measurement modes: Current, Average, Max wind speed
- Low battery warning
- LCD backlight for improved visibility in low-light conditions
- Automatic power-off function to conserve battery life
- 7-blade high-precision measurement impeller
- Compact and lightweight design (53g with battery and lanyard)
4. Specifications
| Parameter | Value |
|---|---|
| Type | Anemometer |
| Model Number | HP-816B |
| Product Type | Handheld Digital Anemometer |
| Function | Wind Speed & Temperature Measurement |
| Wind Speed Range | 0~30m/s (0~90km/h / 0~65mph / 0~55knots / 0~5860ft/min) |
| Wind Speed Accuracy | ±5% |
| Wind Speed Resolution | 0.1m/s / 0.3km/h / 0.2mph / 0.2knots / 19ft/min |
| Temperature Range | -10°C~45°C (14°F~113°F) |
| Temperature Accuracy | ±2°C / ±3.6°F |
| Temperature Resolution | 0.2°C / 0.36°F |
| Sensor Type | NTC Thermometer |
| Power Supply | CR2032 3.0V Battery |
| Current Consumption | About 3mA |
| Operating Conditions (Temp) | -10°C~45°C |
| Operating Conditions (Humidity) | ≤90%RH |
| Storage Conditions (Temp) | -40°C~60°C (-40°F~140°F) |
| Weight | 53g (With Battery & Lanyard) |
5. Setup
5.1. Battery Installation
The HP-816B requires one CR2032 3.0V battery. Follow these steps to install the battery:
- Locate the battery compartment on the back of the device.
- Use a coin or a flat tool to gently twist the battery cover counter-clockwise to open it.
- Insert the CR2032 battery with the positive (+) side facing upwards.
- Replace the battery cover and twist it clockwise to secure it.
5.2. Attaching the Lanyard
To prevent accidental drops and for convenient carrying, attach the provided lanyard to the designated slot at the bottom of the anemometer.
6. Operating Instructions
Familiarize yourself with the device's buttons: MODE, °C/°F, and SET.
6.1. Power On/Off
- Power On: After battery installation, push the MODE button for 1 second to turn on the unit. The LCD will display wind speed, temperature, and a battery icon. The LCD backlight will activate for 5 seconds.
- Power Off: Push the SET button to turn off the unit. The device also features an automatic power-off function; if no operation is performed for 10 minutes, the anemometer will automatically turn off to save power.
6.2. Setting Wind Speed Measurement Unit
- Push the MODE button for 3 seconds until the "m/s" symbol starts to blink on the display.
- Push the SET button repeatedly to cycle through the available wind speed units: m/s (meters per second), km/h (kilometers per hour), ft/min (feet per minute), knots (nautical miles per hour), mph (miles per hour).
- Push the MODE button again to confirm your desired unit.
6.3. Temperature Unit Selection (°C/°F)
Press the °C/°F key to switch between Celsius and Fahrenheit temperature units.
6.4. LCD Backlight
Pressing any key will activate the LCD backlight for 5 seconds, making readings visible in dark environments.
6.5. Taking Measurements
Once powered on, hold the anemometer so that the wind vane (impeller) is exposed to the airflow. The LCD will instantly display the current wind speed and temperature. The device can measure current, average, and maximum wind speeds.
6.6. Wind Chill Indication
If the ambient temperature drops below 0°C (32°F), a wind chill symbol will appear on the LCD, indicating the perceived temperature due to wind speed.
7. Maintenance
7.1. Cleaning
Wipe the device with a soft, dry cloth. Do not use abrasive cleaners or solvents, as they may damage the casing or display. Keep the impeller free from dust and debris to ensure accurate readings.
7.2. Battery Replacement
When the low battery warning appears on the LCD, replace the CR2032 battery following the installation steps described in Section 5.1. Always dispose of used batteries responsibly.
8. Troubleshooting
- No Display / Device Not Turning On:
- Check if the battery is installed correctly with the positive (+) side up.
- Replace the battery with a new CR2032 battery.
- Ensure the MODE button is pressed for 1 second to power on.
- Inaccurate Readings:
- Ensure the impeller is clean and free from obstructions.
- Verify that the correct measurement unit is selected.
- Avoid taking measurements in turbulent or obstructed airflow.
- Backlight Not Working:
- The backlight activates for 5 seconds after any button press. If it doesn't, check the battery level.
9. User Tips
- For the most accurate wind speed readings, hold the anemometer directly into the wind, ensuring the impeller faces the airflow without obstruction.
- When measuring temperature, allow a few moments for the NTC thermometer to stabilize and provide an accurate reading, especially when moving between different environments.
- Utilize the automatic power-off feature to extend battery life by simply leaving the device idle for 10 minutes after use.
- Keep the anemometer in its original packaging or a protective case when not in use to prevent damage to the impeller and screen.
10. Warranty and Support
For any technical assistance, warranty claims, or product inquiries, please contact BTMETER customer support. Refer to the official BTMETER website or your purchase documentation for contact details.
A user manual in PDF format is also available for download at: BTMETER HP-816B User Manual (PDF)