1. Introduction
The LYCEBELL LC-856A is a professional handheld digital anemometer designed for accurate measurement of air flow velocity, air volume (CFM/CMM), and temperature. It is an essential tool for HVAC technicians, engineers, and enthusiasts for applications such as air balancing, environmental monitoring, and wind speed measurement in various settings including sailing. This manual provides detailed instructions for the proper setup, operation, and maintenance of your LC-856A CFM Meter.
2. Package Contents
Please check the package carefully to ensure all items are present:
- 1 x LYCEBELL LC-856A Anemometer (Main Unit)
- 1 x Wind Velocity Sensor (Vane Probe)
- 1 x USB Computer Connecting Cable
- 1 x Portable Carrying Box
- 1 x Screwdriver
- 1 x User Manual (this document)
3. Product Features
The LC-856A Anemometer offers a range of features for comprehensive air flow analysis:
- Bright Backlit LCD Display for easy reading in various lighting conditions.
- Measures Wind Velocity, Air Volume (CFM/CMM), and Temperature.
- Supports multiple speed units: m/s, km/h, ft/min, knots, mph.
- Temperature units switchable between Celsius (℃) and Fahrenheit (℉).
- Data Hold function to freeze current readings.
- MAX/MIN/AVG measurement modes.
- Internal memory for up to 600 records.
- USB connectivity for data transfer to a computer and graph display.
- Auto Power OFF function (cancelable) to conserve battery life.
- Low Battery Indicator.
- Extensible and replaceable wind sensor (vane probe).
- Comes with a dust-proof portable carrying case.
4. Setup
4.1 Battery Installation
- Locate the battery compartment cover on the back of the main unit.
- Use the provided screwdriver to open the battery compartment.
- Insert one 9V (6F22) battery, ensuring correct polarity (+/-).
- Close the battery compartment cover and secure it with the screw.
4.2 Connecting the Wind Sensor
- Connect the coiled cable of the wind velocity sensor (vane probe) to the designated port on the top side of the main anemometer unit.
- Ensure the connection is firm. The sensor is extensible and replaceable.
5. Operating Instructions
5.1 Button Functions Overview
- Backlight LCD: Activates/deactivates the display backlight.
- Max/Min mode: Toggles between Maximum, Minimum, and Average readings.
- Wind Speed/Air Volume (VEL/FLOW): Switches between wind velocity and air volume measurement modes.
- HOLD: Freezes the current reading on the display. Press again to return to live measurement.
- UNIT: Cycles through different wind speed units (m/s, km/h, ft/min, knots, mph).
- °C/°F: Toggles between Celsius and Fahrenheit temperature units.
- REC (Record): Initiates data recording.
- SAMPLE AREA: Used to input the sampling cross-sectional area for air volume calculations.
- Power ON/OFF: Turns the device on or off.
- Default the record: Resets recorded data.
- Backlight ON/OFF: (Duplicate of 1, likely a general backlight control).
- Confirm the input area: Confirms the entered sampling area.
- Average airflow measurement: Activates average airflow measurement mode.
- Read the record data: Accesses stored measurement records.
5.2 Taking Measurements
- Power On: Press the Power ON/OFF button (9) to turn on the anemometer.
- Select Measurement Mode: Press the VEL/FLOW button (3) to switch between wind velocity and air volume measurement.
- Select Units: Use the UNIT button (5) to choose your preferred wind speed unit. For temperature, use the °C/°F button (6).
- Position the Sensor: Hold the vane probe in the air stream you wish to measure. Ensure the airflow passes through the vane unobstructed.
- Readings: The current wind velocity/air volume and temperature will be displayed on the LCD.
5.3 Data Hold and MAX/MIN/AVG
- Data Hold: During measurement, press the HOLD button (4) to freeze the current data on the screen. Press it again to resume live readings.
- MAX/MIN/AVG: Press the Max/Min mode button (2) repeatedly to cycle through maximum, minimum, and average readings of the measured parameter.
5.4 Data Recording and PC Connection
The LC-856A can store up to 600 records internally and connect to a PC for data analysis.
- Record Data: Press the REC button (7) to start recording measurements. Refer to the full user manual for detailed instructions on setting recording intervals and stopping recording.
- Read Recorded Data: Use the 'Read the record data' button (14) to view stored measurements on the device.
- Connect to PC: Use the provided USB cable to connect the anemometer to your computer. The device has an internal memory and PC interface for easy access and download of wind speed, wind flow, CFM, and humidity data. The accompanying software supports graph display for analysis.
6. Maintenance
- Cleaning: Wipe the device and sensor with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Storage: When not in use for extended periods, remove the battery and store the anemometer in its portable carrying box in a cool, dry place.
- Sensor Care: The wind sensor is delicate. Avoid dropping it or exposing it to excessive force. The sensor is replaceable if damaged.
- Battery Replacement: Replace the 9V battery when the low battery indicator appears on the display.
7. Troubleshooting
- Device does not power on: Check if the 9V battery is installed correctly and has sufficient charge. Replace the battery if necessary.
- No readings or incorrect readings: Ensure the wind sensor is securely connected to the main unit. Verify that the vane probe is rotating freely and is positioned correctly in the airflow.
- Display is dim or unreadable: Activate the backlight using the dedicated button. If the issue persists, check the battery level.
- Cannot connect to PC: Ensure the USB cable is properly connected to both the anemometer and the computer. Check if the necessary drivers or software are installed on your computer.
8. Specifications
| Parameter | Value |
|---|---|
| Model | LC-856A |
| Wind Velocity Range | 0.001 ~ 100 mph |
| Wind Velocity Accuracy | ±3% ±0.2 reading |
| Wind Velocity Resolution | 0.001 |
| Wind Speed Units | m/s, km/h, ft/min, knots, mph |
| Air Temperature Range | 32.0 ℉ - 113.0 ℉ (0 - 45 ℃) |
| Temperature Units | ℃ / ℉ |
| Wind Flow (Air Volume) Range | 0 - 999,900 m³/min; 0 - 999,900 ft³/min |
| Air Flow Resolution | 0.001 - 100 |
| Air Flow Area Input | 0.001 - 9999 ft² |
| Data Memory | 600 Records |
| Power Supply | 9V Battery (6F22*1) |
| Connectivity | USB to PC |
9. User Tips
- HVAC Applications: When measuring airflow in ducts or vents, ensure the vane probe is positioned centrally and parallel to the airflow for the most accurate readings. Use the 'SAMPLE AREA' function to input the correct cross-sectional area for precise CFM/CMM calculations.
- Outdoor Use: For outdoor wind speed measurements, hold the anemometer away from your body and any obstructions that might interfere with the airflow to the vane. The extensible sensor can be helpful here.
- Data Analysis: Utilize the USB connection and PC software to download recorded data. This allows for long-term monitoring, trend analysis, and detailed reporting, which is particularly useful for professional applications.
- Backlight: Don't forget to use the backlight feature when working in dimly lit environments to ensure clear visibility of readings.
10. Warranty and Support
The LYCEBELL LC-856A CFM Meter is designed for reliability and performance. For any questions regarding product operation, troubleshooting, or warranty claims, please refer to the contact information provided with your purchase or visit the official LYCEBELL support website. Keep your purchase receipt as proof of purchase for warranty services.
