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| Function | |||
| WT87A | WT87B | WT87C | |
| Measurement of wind speed and temperature | √ | √ | √ |
| Humidity measurement | x | √ | x |
| Wind chill indicator | √ | √ | √ |
| Switch wind speed units | √ | √ | √ |
| Real-time measurement of wind speed and | √ | √ | √ |
| average wind speed | |||
| Measurement of maximum wind speed and | √ | √ | √ |
| minimum wind speed | |||
| Switch between Fahrenheit and Celsius unit | √ | √ | √ |
| Timed Auto Pomer of | √ | √ | √ |
| LED lighting | √ | √ | √ |
| Measurement ozf air volume | x | √ | √ |
| USB communication(with computer applications) | x | √ | x |
| Bluetooth communication (with mobile APP) | x | √ | x |
| Specification | |||||
| Unit | Measurement Range | Resolution | Threshold | Accuracy | |
| m/s | 0~30 | 0.01 | 0.3 | ±5% ±0.1 | |
| ft/min | 0~5860 | 1.968 | 60 | ±5% ±20 | |
| knots | 0~55 | 0.019 | 0.6 | ±5% ±0.2 | |
| km/h | 0~90 | 0.036 | 1 | ±5% ±0.4 | |
| mph | 0~65 | 0.022 | 0.7 | ±5% ±0.2 | |
| Wind temperature measurement | |||||
| Unit | Measurement range | Resolution | Accuracy | ||
| ℃ | -10°C~45°C | 0.1 | ±2℃ | ||
| F | 14°F~113°F | 0.2 | ±3.6°F | ||
| Power Supply | 9V battery(6F22) | ||||
| Temperature sensor | Negative Temperature Coefficient Resistance | ||||
| Operation temperature | -10°C~45°C(14°F~113°F) | ||||
| Operation humidity | Less than 90%RH | ||||
| Storage temperature | -10°C~50°C(14°F~122°F) | ||||
| Dimension | 165x85x39mm | ||||
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Room 616, Cuiping City Mall Masion, No. 1099 Xinhua Road, Anzhen, Xishan District, Wuxi, P.R. China.
landline: (+86)-510-81014432
Phone: (+86)-139-6185-8711
Mobile phone: (+86)-13961858711
Skype: benwang189828
Email: kbdtools@gmail.com
Whatsapp : 13961858711
