GM8908 LCD Digital Wind Speed Temperature Measure Gauge Anemometer

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Price: $12.22 $12.21   

Product Feature

• Air velocity and temperature measurement
• Ideal tool for windsurfing, sailing, fishing, kite flying and mountaineering
• Also use it for industrial and home purpose such as measuring wind speed and temperature of CPU computer fans, air blower
• LED back light design for operation under poor illumination
• Wind chill indication and Beaufort scale

Product Description

This Wind Speed Temperature Gauge Anemometer with LCD digital display is ideal for weather enthusiast or professional to measure air velocity and air temperature accurately. This handy palm sized anemometer with strap for convenient carrying.

Features:

Current / max / average wind speed reading
Five Units of Air Velocity: m/s, Km/h, ft/min, Knots, mph.
Powered by a built-in 3V CR2032 battery
Size (L x W x H): Approx.10.5cm x 5.6cm x 2cm / 4.1 x 2.2 x 0.79

Air Velocity Specification:

Range: 0 - 30 m/s, 0 - 90 km/h, 0 - 5860 ft/min, 0 - 65 mph, 0 - 55 Knots.
Resolution: 0.1 m/s, 0.3 km/h, 19 ft/min, 0.2 mph, 0.2 Knots.
Threshold: 0.1m/s, 0.3 km/h, 39 ft/min, 0.2 mph, 0.1 Knots.
Accuracy: +/- 5%.

Air Temperature Specification:

Range: Between -10°C and 45°C (between 14°F and 113°F)
Resolution: 0.2°C, 0.36°F.
Accuracy: ±2°C, ±3.6°F.
Thermometer: NTC Thermometer.
Operating Temperature: Between -10°C and +45°C (between 14°F and 113°F)
Operating Humidity: Less than or equal to 90% RH
Storage Temperature: Between -40°C and +60°C, between -40°F and 140°F.
Current Consumption: About 3mA.

Package Included:

1 x Anemometer
1 x User Manual

Note: This product is certified with CE, FCC and RoHS.

GM8908 LCD Digital Wind Speed Temperature Measure Gauge Anemometer Review

PROS: +low cost +cloudy days easy to read LCD. CONS: -propeller will stop at low wind speed. -must be aimed at wind direction. -screen often difficult to read without back light -at least 3mph wind needed for first readout. * * I wish the back light would stay on some +0.5 seconds longer to have more time to get the readout. The propeller has 'friction' caused by the DC motor / generator magnetic cogging effect. If the wind drops below minimum the propeller will stop. In AVG/Current mode: there will be a bogus wind speed readout like 12.8 mph when the propeller is stalled. The readout randomly jumps wildly up and down after propeller has stopped, as hand movements make the propeller move minute fractions of a full turn. The readout becomes valid when the propeller begins to spin again. A bit of annoyance. I could not figure out how to make MAX mode work. The random jump up after stopped propeller will always exceed the true wind speed. Could not figure out how to reset MAX value. Could not find manual on internet.

It would be great if there were some affordable mini cup anemometers out there. The GM8908 meter must be turned into the prevalent wind direction, and must check if propeller is still spinning before accepting readout. I found omnidirectional Windtronic2 product, but unfortunately it was relatively expensive at $99. I would probably been better off with cups + dc motor on a stick + wired to analog voltmeter design for kiting purposes. Anyways: silk paper ribbons helps me finding the direction where to point the meter at.

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