Description
Kestrel 3500FW Fire Weather Meter
Designed for wildland firefighting applications, the rugged 3500FW provides a variety of weather measurements and also includes an easy-to-read Probability of Ignition (PIG) and Fine Dead Fuel Moisture (FDFM) reference card. The meter measures barometric pressure, pressure trend, altitude, temperature, relative humidity, wind speed, wind chill, dew point temperature, wet bulb temperature (psychrometric), and heat stress index. The 3500FW features a large backlit display, a real-time clock, and a hold function. Housed in an IP67 waterproof body that floats, the meter is MIL-STD-810G drop tested. Lanyard, slide-on cover, CR2032 coin cell battery (average life 300 hours), and PIG/FDFM reference card included. Five-year manufacturer’s warranty.
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Quick Specs
| Brand | Kestrel |
| MPN | 0835FWORA |
| UPC | 730650003060 |
| UNSPSC | 41114400 |
| Made In | United States |
| Other |
Minimum wind speed: 1.3 mph (1.2 knots, 2.2 km/h, 0.6 m/s, or 118 fpm). Maximum wind speed: 89.5 mph (77.8 knots, 144 km/h, 40 m/s, or 7,875 fpm). Wind speed accuracy: ±3%. Update: 1 second. Temperature, wind chill, heat stress, and dew point range: -20°F to +158°F (-29°C to +70°C). Temperature, wind chill, heat stress, and dew point accuracy: ±0.9°F (±0.5°C). Temperature resolution: ±0.1°F (±0.1°C). Wind chill factor resolution: ±1°C. Relative humidity range: 5% to 95%. Relative humidity accuracy: ±3% from 5% to 95%. Barometric pressure range: 870.0 hPa to 1,080.0 hPa (25.70 inHg to 31.90 inHg). Barometric pressure accuracy: ±3hPa. Altitude range: -1,500 ft. to 30,000 ft. (-500 m to 9,000 m). Altitude accuracy: ±30 meters (at standard atmospheric conditions). Operating temperature: 5°F to +122°F (-15°C to +50°C). Storage temperature range: -4°F to +176°F (-20°C to +80°C). Impeller: 1˝ diameter, sapphire bearings, lightweight. Temperature sensor: hermetically sealed precision thermistor. Humidity sensor: solid state silicon capacitive sensor. Pressure sensor: monolithic silicon piezoreisitive sensor. Display: reflective backlit LCD. Sealing: electronics enclosure IP67 water resistant to 3 ft. Floats. Battery: user-replaceable CR2032 coin cell battery (included) with a typical life of 300 hours. Dimensions: 4.8˝ x 1.9˝ x 1.1˝.
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Quick Specs
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Reviews
Great product that measures all the important environmental parameters that we need. Hardy and can run a long time on one single battery. Would recommend to others doing field research and needing to measure humidity/temp/wind.
I bought this unit to help me in Prescribed burning operations within my agency.
I use the Kestrel when conducting prescribed burns on my property. It gives me fast; accurate information that I need to know before I light a fire; especially wind speed and relative humidity. Easier to use than my previous fire weather kit. Definitely worth the cost.