Extech Hygro Thermo-Anemometer model 407412

Working Unit.. Battery will come with! The battery closure tab is looking like it might break off so I did not want to remove the battery after putting in mine for testing so I will be including the 9V battery with the sale. Both probes are working. all buttons function. Unit comes with hard case, 2 probes and instruction manual.
General SpecificationsDisplayDual function, 4-digit (9999 count) LCD displayUnits of measurem/s (meters per second), km/hr (kilometers per hour), ft/min feet per minute), knots (nautical miles per hour), mile/hr (miles per hour),°C/°F, %RHData holdHolds reading on the LCD display when button is pressedSensorsAir velocity sensor: Twisted vane arm with low friction ball bearing;TemperaturePrecision thermistor; Humidity: Thin film capacitorMax/MinRecord Records highest and lowest readings for later recallData OutputRS-232 serial PC interfaceOperating Temp.32°F to 122°F (0°C to 50°C)Operating Humidity Max.80% RH.Power Supply9V batteryPower Consumption Approx.8.3 mA DCWeight0.77 lbs. (350g)Dimensions Meter7.1x2.8x1.3\" (180 x 72 x 32mm)Anemometer Probe0.7\" (17mm) Diameter x 6.7\" and RH Probes, 9V battery, & caseft/min (feet/min)Range80 - 4921 ft/minResolution1 ft/minAccuracy± (2% + 20 ft/min)m/s (meters/sec)Range0.4 - 25.00 m/sResolution0.01 m/sAccuracy± (2% + 0.2 m/sec)km/h (kilometers/hour)Range1.4 - 90.0 km/hResolution0.1 km/hAccuracy± (2% + 0.2 km/hr)mph (miles/hour)Range0.9 - 55.9 mphResolution0.1 mphAccuracy± (2% + 0.2 mph)knots (nautical miles/hour )Range0.8 to 48.6 knotsResolution0.1 knotsAccuracy± (2% + 0.2 knots)TemperatureRange32°F to 122°F (0°C to (±0.8°C)Relative HumidityRange10 to 70% RHResolution0.1%Accuracy±3% RHRange70 to 95% RHResolution0.1%Accuracy±4% RH
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