TM-413A เครื่องวัดความเร็วลม CFM/CMM 

Air Velocity, Flow, Temperature and Humidity Meter

Features

• 45mm 4 plastics vane

• High sensitivity of 0.4m/s.

• Air flow calculates function.

• Max/Min/Avg and data hold.

• Auto power off with disable function.

• Memory capacity: 99 records.

• Memory recall function.

• Backlight function.

• Absolute Pressure Sensor

• Humidity Sensor
   

  Functions	TM-412A (with Vane-02)	TM-413A (with Vane-03)	TM-414A (with Vane-03)
  Velocity	●	●	●
  Flow	●	●	●
  99 Record	●	●	●
  Temperature	●	●	●
  Humidity		●	●
  Pressure			●

  Specifications

• Display : 42mm(W) x33mm(L) Monochrome LCD with backlight 

• Battery : 9V (NEDA 1604、IEC 6F22 or JIS 006P) 

• Battery Lift : Approx continuous used 100 hours. 

• Shutoff Rate Power : 3uA

• Operate Maximum Power : 25mA 

• Instrument dimensions : 140(L)x 65(W)x 38(H) mm. Weight : About 296g.

• Probe dimensions: 135(L) x67(W) x31(H) mm. 

• Cable length : 95cm. 

• Weight : About 100g.
   

  Electrical specifications 

  Velocity
  Unit	Range	Resolution	Accuracy
  m/s	0.4~30	0.1	≤10m/s ±(3.0+0.5) >10m/s ±(3.5﹪+1)
  Km/hr(Kph)	1.5~106	0.1	≤36Km/hr ±(3.0﹪+1.8) >36Km/hr ±(3.5﹪+3.6)
  mph	0.9~66	0.1	≤22mph ±(3.0﹪+1.1) >22mph ±(3.5﹪+2.2)
  Knots(kts)	0.8~58	0.1	≤19Knots ±(3.0﹪+1) >19Knots ±(3.5﹪+1.9)
  ft/min(fpm)	79~5866	1	≤2000ft/min ±(3.0﹪+100) >2000ft/min ±(3.5﹪+200)
  Beaufort	1~8	1	--
  Air Flow Calculation
  Unit	Range	Resolution	Accuracy
  CMM	0~9999	1	--
  CFM	0~9999	1	--
  Temperature
  Unit	Range	Resolution	Accuracy
  °C	-20~60	0.1	±1℃
  °F	-4~140	0.1	±1.8℉
  Humidity
  Unit	Range	Resolution	Accuracy @25°C
  %RH	20~80	0.1	±3.5%RH
  %RH	<20,>80	0.1	±5%RH