QT-WM Series handheld Weather Station

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QT-WM Series handheld weather station is a mini instrument with multiple functions. It is used to measure wind speed, air temperature, humidity, altitude, dew point, barometric pressure, etc. With LCD displays, they are foldable, portable and easy to use.
Technical parameters
Parameters QT-WM1000 QT-WM2000 QT-WM3000 QT-WM4000
Measurement Range WS 1.1-20m/s
Temp -1℃~+50℃ WS 1.1-20m/s
Temp -1℃~+50℃
H 0~100% WS 1.1-20m/s
Temp -10℃~+50℃
H 0~100%
P 400~1000mbar WS 1.1-20m/s
Temp -10℃~+50℃
H 0~100%
P 400~1000mbar
ASL -600~7000m
Resolution WS 0.1m/s
Temp 0.1℃ WS 0.1m/s
Temp 0.1℃
H 0.1% WS 0.1m/s
Temp 0.1℃
H 0.1%
P 1mbar WS 0.1m/s
Temp 0.1℃
H 0.1%
P 1mbar
ASL 1m
Accuracy WS ±5％
Temp ±1℃ WS ±5％
Temp ±1℃
H ±3％ WS ±4％
Temp ±1℃
H ±3％
P ±3mbar WS ±4％
Temp ±1℃
H ±3％
P ±3mbar
Dew Point × √ √ √
Cool breeze √ √ √ √
Heat Index × × √ √
ASL × × × √
Display 4-digit display LCD
Measurement unit WS: m/s, ft/min, knots, Km/hr, mph
Temp: ℃/℉ WS: m/s, ft/min, knots, Km/hr, mph
Temp: ℃/℉, barometric pressure: mbar/inHg
Dimensions 235×45×25mm (open) 140×45×25mm (closed)
Weight About 90g
Power CR2032 battery
Operating environment Temp 0-50℃，H <90%RH<br /> Accessories Carrying box, Instruction, Battery
Origin: CHINA
http://www.channeleco.com/en/Item/Show.asp?m=1&d=1187
http://www.channeleco.com/en/