Features Lutron AH-4223 Vane Anemometer, Humidity/Temperature :

• Anemometer, Humidity, Temperature meter, 4 in one professional.
• Anemometer unit : m/S, Km/h, FPM, mph, Knot.
• Humidity with Dew point measurement
• Temperature measurement with ℃ , ℉ unit.
• Vane anemometer, available for wind speed measurement, high reliability.
• Fast response time for humidity measurement.
• Two display can select the three mode ( function ) : Humidity/Temp., Humidity/Dew point, Anemometer/Temp..
• Bright LCD display
• Microprocessor circuit ensures high accuracy and provides special functions and features.
• Records Maximum and Minimum readings with recall.
• Auto power off saves battery life.
• Operates from DC 1.5V ( UM4/AAA ) x 4 PCs batteries.
• Low-friction ball vane wheels is accurate in both high and low velocities,
• Durable, long-lasting components, enclosed in strong, compact ABS-plastic housing.

Specifications Lutron AH-4223 Vane Anemometer :

Display : LCD size : 28 mm x 19 mm.

Anemometer Unit : 
m/S (meters per second)
Km/h ( kilometers per hour )
FPM ( feet per minute )
mph ( miles per hour )
Knot ( nautical miles per hour )

Temp. unit  : ℃ , ℉
Humidity unit : %RH
Dew point  : ℃ , ℉

Sensor Structure :
Anemometer : Van probe with low friction ball bearing design.
Humidity : Capacitance humidity sensor, semiconductor
Temperature : Semiconductor

Data Hold : Freeze the display reading.
Memory Recall : Maximum & Minimum value.

ELECTRICAL SPECIFICATIONS (23± 5 )

Temperature
Measuring Range : 0 ℃to 50 ℃ /32 ℉ to 122 ℉
Resolution : 0.1 ℃ /0.1 ℉
Accuracy : ± 0.8 ℃ /1.5 ℉

Humidity / Dew point

a. Humidity
Range : 10 % to 95 % R.H.
Resolution : 0.1 % R.H.
Accuracy :
70% RH ± (3% reading + 1% RH).
< 70% RH – 3% RH.  ± 3% RH.
b. Dew point
℃ :
Range -25.3 ℃ to 48.9 ℃
Resolution 0.01 ℃
℉ :
Range -13.5 ℉ to 120.1 ℉ .
Resolution 0.01 ℉.

Accessories Included : 

• Instruction manual 1 PC

Optional Accessories : 

• Batere AAA = 4 pcs