LF-0012 handheld weather station
LF-0012 handheld weather station is a portable meteorological observation instrument that is convenient to carry, easy to operate, and integrates many meteorological elements. The system uses precision sensors and smart chips to accurately measure the five meteorological elements of wind speed, wind direction, atmospheric pressure, temperature, and humidity. The built-in large-capacity FLASH memory chip can store meteorological data for at least one year: universal USB communication interface, using the matching USB cable, you can download the data to the computer, which is convenient for users to further analyze and analyze the meteorological data.
This instrument can be widely used in the fields of meteorology, environmental protection, airport, agriculture, forestry, hydrology, military, storage, scientific research and other fields.
● 128 * 64 large-screen LCD displays temperature, humidity, wind speed, average wind speed, maximum wind speed, wind direction, and air pressure value.
● Large-capacity data storage, can store up to 40960 weather data (data recording interval can be set between 1 ~ 240 minutes).
● Universal USB communication interface for easy data download.
● Only need 3 AA batteries: low power consumption design, long standby time.
● The system language can be switched between Chinese and English.
● Scientific and reasonable structural design, easy to carry.
|
Meteorological parameter |
Measurement elements | Measuring range | Precision | Resolution | Unit |
| Wind speed | 0~45 | ±0.3 | 0.1 | m/s | |
| Wind direction | 0~360 | ±3 | 1 | ° | |
| Atmospheric temperature | -50~80 | ±0.3 | 0.1 | °C | |
| Relative humidity | 0~100 | ±5 | 0.1 | %RH | |
| Atmospheric pressure | 10~1100 | ±0.3 | 0.1 | hPa | |
| Power supply | 3 AA batteries | ||||
| Communication | USB | ||||
| Store | 40,000 pieces of data | ||||
| Host size | 160mm*70mm*28mm | ||||
| Overall size | 405mm*100mm*100mm | ||||
| Weight | About 0.5KG | ||||
| Working environment | -20°C~80°C
5%RH~95%RH |
||||
● Installation of the sensor
When the product leaves the factory, the sensor and the instrument have been assembled as a whole, and the user can use it directly. Do not disassemble it at random, otherwise it may cause abnormal operation.
● Battery installation
Open the battery compartment cover on the back of the instrument and install the 3 batteries in the battery compartment in the correct direction; after installation, close the battery compartment cover.
● Key Function Settings
| Button |
Function description |
| ▲ | Modify parameter key: Preset value parameter value plus 1 |
| ▼ | Modify parameter key: preset value parameter value minus 1 |
| SET | Function switch key: Use this key to enter the "Time setting", "Local address", "Storage interval", "Language setting", "Parameter reset" setting interface; the next page. It can also be used to switch the current operable parameters.
Note: After all parameters have been modified, the modified parameters will take effect when switching to the main interface. |
| ON/OFF | Power switch |
Temperature, humidity, wind speed, wind direction, time and battery power display
InterfaceⅠ
InterfaceⅡ
InterfaceⅢ
After the handheld weather meter is turned on, the system main interface (Interface I) shown in the figure above will be displayed. This interface displays the current time and real-time weather values collected by each sensor. The version number shows the version information of the system. Press ▲ to enter interface II to view related numerical information. Similarly, press ▼again to return to interface I.
When using the wind direction sensor, please first refer to the compass provided to determine the wind direction position. There is a white point on the wind direction sensor. This point is the south point (when the wind direction is displayed as 180 °). Before the actual use, please keep the wind direction fixed south point consistent with the geographical south to ensure the accuracy of the collected data.
Parameter modification
Local address, storage interval, language setting and parameter reset setting
When in interface Ⅰ or interface Ⅱ or interface Ⅲ, press SET to enter this page. You can set the local address, storage interval, language setting, and parameter reset. The default local address is "1"; the storage interval can be set between 1 and 240 minutes; the language can be set to "Chinese" or "English"; when the parameter reset selection is "Yes", the system will perform a reset operation.
Wind speed calculation time: the period for calculating the maximum wind speed and the average wind speed, which can be set by the user according to the actual situation.
System time setting
Press the SET key to enter the time setting interface. The parameter where the cursor is displayed is the current modifiable item. You can set the parameter by ▲ and ▼. After the modification, you can use the SET key to switch to other parameter items that need to be modified.
Note: After modification, when you switch to the main interface through SET, the modified parameters are automatically saved and take effect.
● Please read the manual carefully before use to ensure that the sensor is inserted into the corresponding sensor interface and the battery is in the correct direction.
● When the battery shows insufficient battery power, please replace the battery in time to prevent battery leakage and damage the instrument.
● Prevent chemical agents, oil, dust and other direct damage to the sensor, do not use it for a long time in the freezing and extreme temperature environment, and do not perform cold or thermal shock.
● The instrument is a precision device. Please do not disassemble it when using it to avoid damaging the product.
|
Level |
Ground Object Features |
Wind speed（m/s） |
| 0 | Quiet, smoke straight up | 0~0.2 |
| 1 | The smoke can indicate the direction, and the leaves shake slightly | 0.3~1.5 |
| 2 | Human face feels windy, leaves move slightly | 1.6~3.3 |
| 3 | The leaves and twigs are shaking, the flag is unfolding, and the tall grass is shaking. | 3.4~5.4 |
| 4 | Will blow dust and confetti from the ground, tree branches sway, tall grass waves | 5.5~7.9 |
| 5 | Small leafy trees are shaking, there are small waves in the inland water surface, and the tall grass waves are undulating | 8.0~10.7 |
| 6 | The big branches are shaking, the wires are whispering, it is difficult to support the umbrella, and the tall grass is dumped to the ground from time to time. | 0.8~13.8 |
| 7 | The whole tree shakes, the big branches bend down, and it is inconvenient to walk in the wind. | 13.9~17.1 |
| 8 | Can destroy small branches, people feel great resistance to headwind | 17.2~20.7 |
| 9 | Thatched cottage was damaged, roof tiles were lifted, and large branches could break | 20.8~24.4 |
| 10 | Trees can be blow down, and general buildings are damaged | 24.5~28.4 |
| 11 | Trees can be blow down, and general buildings are serious destruction | 28.5~32.6 |
| 12 | Very little on land, great destructive power | ＞32.6 |
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