1. 서론
The Walfront GT8907 is a handheld digital anemometer designed for precise measurement of wind speed, temperature, and air volume. This device is suitable for various applications including industrial settings, environmental monitoring, HVAC system analysis, and outdoor activities. It features a high-definition large screen display for clear readings and soft rubber buttons for comfortable operation. This manual provides detailed instructions for the proper setup, operation, and maintenance of your GT8907 anemometer.

Figure 1: Walfront GT8907 Anemometer with its wind fan probe connected, displaying wind speed and temperature.
2. 패키지 내용
수령 시 패키지 내용물을 확인하여 모든 품목이 들어 있는지 확인하세요.
- Walfront GT8907 Digital Anemometer Unit
- Wind Fan Probe (connected via cable)
- USB 케이블 (데이터 전송용, 필요한 경우)
- 사용 설명서 (본 문서)
- 운반 케이스

Figure 2: The protective carrying case for the GT8907 anemometer, designed for safe storage and transport.
3. 디바이스 오버view
Familiarize yourself with the components and controls of the GT8907 anemometer:

Figure 3: Detailed diagram of the GT8907 anemometer, highlighting the main unit's screen and buttons, and the wind fan probe with its telescopic rod and handle.
- 화면: High-definition LCD display for readings.
- 잠금 버튼: To hold current readings.
- Mode Switch / Enter Button: To cycle through measurement modes and confirm selections.
- Air Volume Switch: To switch to air volume measurement.
- ON/OFF / Unit Button: Power on/off the device; short press to change units.
- Setting Area: For configuring measurement area for air volume.
- 저장 버튼 : To save data.
- Read Data Button: To recall saved data.
- Delete Data Button: To delete saved data.
- 선풍기: 회전하여 풍속을 측정합니다.
- 망원경 막대: Extends the wind fan for reaching measurement points.
- 핸들: Ergonomic grip for the wind fan probe.
4. 설정
4.1 배터리 설치
The GT8907 anemometer requires four (4) 1.5V AAA batteries (not included). Follow these steps to install the batteries:
- 본체 뒷면에서 배터리 덮개를 찾으세요.
- 덮개를 아래로 밀거나 걸쇠를 눌러서 엽니다.
- AAA 배터리 4개를 넣을 때, 배터리함 안쪽에 표시된 극성(+와 -)을 정확히 맞춰주세요.
- 배터리 칸 덮개를 다시 끼우고, 제자리에 단단히 고정되었는지 확인하세요.

Figure 4: The open battery compartment of the GT8907, showing the correct orientation for inserting four AAA batteries.
4.2 프로브 연결
Ensure the wind fan probe is securely connected to the main unit via its cable. The connector should fit snugly into the port on the top of the main unit.
5. 사용 설명서
5.1 전원 켜기/끄기
- 장치의 전원을 켜려면 버튼을 길게 누르세요. 켜짐/꺼짐 단추.
- 장치의 전원을 끄려면 켜짐/꺼짐 button again. The device also features an auto-power-off function to conserve battery life.
5.2 측정 단위 변경
장치의 전원이 켜진 상태에서 짧게 누릅니다. 단위 button (which is also the ON/OFF button) to cycle through available wind speed units (m/s, Ft/min, Knots, Km/h, Mph) and temperature units (°C, °F).
5.3 Wind Speed and Temperature Measurement
The device automatically displays wind speed and temperature upon power-on. Extend the telescopic rod of the wind fan probe and position the fan in the airflow you wish to measure. Ensure the fan is facing directly into the wind for accurate readings.

Figure 5: The GT8907 anemometer in use, showing its digital display with wind speed and temperature readings against a backdrop of wind turbines.
5.4 Air Volume Measurement (CFM/CMM)
- 를 누르세요 벨/흐름 button to switch to air volume measurement mode.
- 를 누르세요 AREA/SAMPLE button to enter the area setting mode.
- Use the arrow buttons (if available, or other designated buttons) to adjust the measurement area (e.g., duct dimensions). Refer to the on-screen prompts.
- 누르다 입력하다 to confirm the area setting.
- Position the wind fan probe in the airflow. The device will display the air volume in CFM (Cubic Feet per Minute) or CMM (Cubic Meters per Minute).
5.5 데이터 홀드 기능
를 누르세요 잡고 있다 버튼을 누르면 디스플레이에 현재 측정값이 고정됩니다. 다시 누르면 고정 기능이 해제되고 실시간 측정이 재개됩니다.
5.6 데이터 저장 및 불러오기
- 측정값을 저장하려면 버튼을 누르세요. 구하다 단추.
- To recall saved data, press the 읽다 button. Use navigation buttons (if available) to browse through saved records.
- To delete saved data, press the 델 단추.
6. 유지관리
6.1 청소
Wipe the device and probe with a soft, dry cloth. Do not use abrasive cleaners or solvents. Ensure the wind fan is free from dust and debris for accurate operation.
6.2 배터리 교체
When the low battery indicator appears on the display, replace all four AAA batteries as described in Section 4.1. Remove batteries if the device will not be used for an extended period to prevent leakage.
6.3 보관
Store the anemometer in its protective carrying case in a cool, dry place, away from direct sunlight and extreme temperatures. Ensure the wind fan probe is retracted or protected to prevent damage.
7. 문제 해결
- 기기의 전원이 켜지지 않습니다:
- 배터리가 올바른 극성으로 올바르게 설치되었는지 확인하세요.
- 새 AAA 배터리로 교체하세요.
- 부정확한 판독값:
- Ensure the wind fan is clean and rotates freely.
- Verify the probe is securely connected to the main unit.
- Confirm the device is set to the correct measurement unit.
- Ensure the wind fan is positioned directly in the airflow.
- 디스플레이가 어둡거나 비어 있음:
- 배터리를 교체하세요.
- 장치가 극한 온도에 노출되지 않도록 주의하세요.
8. 사양
| 매개변수 | 사양 |
|---|---|
| 모델 | GT8907 |
| 풍속 측정 범위 | 0.0 - 45.0 m/s; 0.0 - 8800 Ft/min; 0.0 - 88.0 Knots; 0.0 - 140.0 Km/h; 0.0 - 100 Mph |
| 풍속 분해능 | 0.01 (m/s, Knots, Mph); 0.01/0.1/1 (Ft/min); 0.01 (Km/h) |
| Wind Speed Precision | ±3% ±0.1 (m/s); ±3% ±20 (Ft/min); ±3% ±0.2 (Knots); ±3% ±0.4 (Km/h); ±3% ±0.2 (Mph) |
| Air Volume Measurement Range (CFM) | 0 - 999900 ft³/min |
| Air Volume Measurement Range (CMM) | 0 - 999900 m³/min |
| 온도 측정 범위 | 0 - 45°C / 32 - 113°F |
| 온도 분해능 | 0.1°C / 0.18°F |
| 온도 정확도 | ± 1.0 ° C / ± 1.8 ° F |
| 습도 측정 범위 | 10 - 90% RH (without condensation) |
| 습도 해상도 | 상대습도 0.1% |
| 습도 정밀도 | ±5% |
| 작업 환경 온도 | 0~50°C (32~122°F) |
| 작업 환경 습도 | 40~80% 상대습도 |
| Storage Condition Temperature | -40 - 60°C (-40 - 140°F) |
| Storage Condition Humidity | ≤80 % RH |
| 전원 공급 장치 | 4 x 1.5V AAA 배터리 |
| 무게 | 약 1214g / 42.8온스 |
| 치수(길이 x 너비 x 높이) | 3.94 x 3.94 x 3.94인치 (본체) |
9. 보증 및 지원
Walfront products are designed for reliability and performance. For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official Walfront web사이트. 보증 청구를 위해 구매 증빙 자료로 구매 영수증을 보관하세요.
For further assistance, you may contact Walfront customer service through their official channels. Please have your model number (GT8907) and purchase details ready.