SM-28 SKYMASTER WEATHER METER

• Windspeed (Current, Avg, & Max)
• Temp w/ Windchill & Heat Index
• Relative Humidity w/ Dewpoint
• Barometric Pressure & 16-Hr History Bar Graph
• Storm Audio Alarm
• Altitude
• Pocket-knife design
• Replaceable 400 hr battery
• Replaceable impeller
• Threaded for tripod mounting
• Floats
• Water resistant to 4"
• 1 year warranty.

ACCURACY:
• Windspeed: +/-3%
• Temp/Windchill: +/-2F/-1C
• Relative Humidity: +/-3%
• Dew Point: +/-3F/2C
• Heat Index: +/-4F/3C
• Barometric Pressure: +/-3hPa (milibars)

RESPONSE TIME:
• Windspeed: Current: 2 sec. avg; Average: 5sec. avg.
• Max: 2 sec. gust
• Temp/Windchill/Humidity/Dew Point: 1 min. Barometer: 15 min sampling updated each minute

RANGES:
• Wind .4-89 MPH
• Temp +5� to +122°F
• Windchill -22� to +158°F
• Dew Point -31.2� to +155.8°F
• Heat Index +69.8 to +155.8°F
• RH 0-99%
• Barometer 400-1100 hpa
• Altitude -650 to 9000 meters

OPERATING TEMP: +5 to +122F/-15 to +50C
POWER: 400-hour Lithium battery/CR2032 (included)
MEASURES: 5.875"x 2.1"x.85"/ 127 x 53 x 21.5mm (closed)
WEIGHS: 4 oz / 113.4 grams