DT-620 Wind speed, temperature, and volume meterDetailed product description：

Characteristics of DT-620 Wind Speed, Temperature, and Volume Meter:

·Measure wind speed, wind temperature, and air volume
·31/2 digital LCD display screen, simultaneously displaying temperature, wind speed/air volume
·Double cast plastic shell, easy to use
·High sensitivity and precision
·Easy to operate, with data retention and maximum/minimum value retention functions
·Low power consumption, low power warning
·Sensor: The wind speed sensor adopts ultra-low friction bearings
·Temperature sensor: NTC type high-precision thermistor
·After 20 minutes, the instrument panel will automatically turn off the power
·Low friction 72MM large blade wheel
·20 point average function
·8 area input methods, automatically calculate air volume value
·Built in infrared temperature measurement up to 260 ℃
·Temperature measurement using infrared radiation, with a distance ratio of D: S=8:1
·Temperature range -50~260 ℃
·Weight: 725 grams (including battery and fan)
·Accessories: 9V battery (model: NEDA 1604), leather bag, impeller
·Size: Anemometer: 178 × 74 × 33mm Fan: 70mm (diameter)

Technical specifications of DT-620 wind speed, temperature, and volume meter:
(Wind speed, infrared wind temperature measurement, air volume)

unit	range	resolution	Accuracy
m/s	0.40～30.00	zero point zero one	±(3%+0.20m/s)
Knots	0.8～58.0	zero point one	±(3%+0.4 knots)
Km/H	1.4～108.0	zero point one	±(3%+0.8 km/hr)
Ft/min	80~5900	one	±(3%+40ft/m)
MPH	0.9～67.0	zero point one	±(3%+0.4MPH)
Air Temperature	0～60℃		±2.0℃
InfraRed Temperture	-50 to -20℃		±5.0℃
	-20 to 260℃		±2%reading or ±2℃
air volume	measurement range	area
Air Flow(CFM)	0 to 999900	0 to 999.9
Air Flow(CMM)	0 to 999900	0 to 999.9

Unit Conversion Table:

	m/s	ft/min	knots	km/h	MPH
1m/s	one	one hundred and ninety-six point eight seven	one point nine four four	three point six	two point two four
1ft/min	zero point zero zero five zero eight	one	zero point zero zero nine eight seven	zero point zero one eight two nine	zero point zero one one three eight
1knot	zero point five one four four	one hundred and one point two seven	one	one point eight five one nine	one point one five two three
1km/h	zero point two seven seven eight	fifty-four point six nine	zero point five four	one	zero point six two two two
1MPH	zero point four four six four	eighty-seven point eight nine	zero point eight six seven nine	one point six zero seven one	one