GVDA GD155 Digital Anemometer User Manual
- September 22, 2024
- GVDA
Table of Contents
GVDA GD155 Digital Anemometer
Before using the instrument, please read this manual carefully. and save it well for future using.
Introduction
This is a professional digital anemometer with stable performance, safety,
and reliability. It is widely used in wind energy, meteorology, industry,
agriculture, hydrology and water conservancy, environmental protection,
highways, airports ports, etc.
Display screen
Considerations
- Do not touch the fan blade with force-
- Do not store or operate the instrument in areas with high temperature or humidity.
- In use, do not let the strong light directly shine on the fan, in order to avoid measurement errors.
- Avoid violent vibration.
- Remove the battery before strong the instrument ror a long time.
Operation
Wind speed measurement:
- Press the button to turn on the power.
- Hold the anemometer and let the fan plane of the anemometer align vertically with the wind direction of the airflow for measurement.
- The display will show the wind speed, wind temperature, and wind humidity at the same time.
Data hold:
To freeze a displayed reading, press the 9 button. The icon will appear and
the most recent reading will appear on the display. Press the button to exit
the mode and return to normal mode.
Backlight on or off:
Press the button and hold it for more than 2 seconds to enable or disable
the backlight function.
MAXIMIN/AVG function
Press the function, and then press the key to turn on the maximum key to cycle through the maximum, minimum, and average values. Long pressing the normal measurement function. key for 2 seconds returns to
Temperature unit selection : Press the key to select the temperature unit.
Wind speed unit selection:
Press the key to select the desired wind speed unit (m/s, km/h, mill/h, ft/m,
ft’s, knots).
Auto shutdown function.
When the power is tumed on. the automatic shutdown function is tumed on by
default. No operation within 10 minutes will automatically shut down.
If you need to cancel the auto-off function, press and hold the key before turning on the meter. then press the key to turn on the power. and then release the key after the meter is turned on, the auto-off function will be canceled. Reboot to restore automatic shutdown function automatically.
When the meter turns on the auto-off function. the display will show the symbol: when the auto-off function is canceled, it will not show.
Specifications
Accuracy Specifications
Reference condition: the environment temperature is 180C to 280C. and the
relative humidity is no more than 800/0
Maintenance
Battery replacement
When the meter shows the symbol please replace the battery in time.
Cleaning
Caution
To avoid damaging the case, do not use corrosive agents or solvents to clean
the instrument.
Wipe the shell regularly with detergent or a damp cloth and detergent.
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