Máy đo tốc độ lưu lượng gió Benetech GM8902+

Air Flow Anemometer GM8902+

• Air Flow AnemomEter possesses the following features:

  1.Measurement of wind velocity, temperature and flow
  2.Unit conversion of wind velocity, temperature and flow
  3.Measurement of maximum and minimum wind velocity
  4.Measurement of 2/3 Vmax and average wind flow
  5.Data holding, storing and deleting function
  6.Low battery indicating function
  7.Auto power off function (power off automatically if no
  further operation for 10 minutes )
  8.Memory of 500 records
  9.Backlight
  10.Connecting to PC with USB cable
  11.Audio key pressing alert
  12.Large LCD display
  13.Retractable drag rod

• 1. Wind Velocity Range :

  
  

  Unit	Wind Velocity	Resolution	Lowest Point of start value	Accouracy
  m/s	0.0-45.0	0.001	0.3	±3%±0.1
  Ft/min	0.0-8800	0.01/0.1/1	60	±3%±20
  Knots	0.0-88.0	0.01/0.01	0.6	±3%±0.2
  Km/h	0.0-140.0	0.001	1.0	±3%±0.4
  Mph	0.0-100	0.001/0.01	0.7	±3%±0.2

  2. Wind flow range ：
  CMM：0-999900m³ /min
  CFM：0-999900 ft³ /min

  
  

  
  

  Unit	Range	Resolution	Area
  CFM(FT³ /MIN)	0-999900	0.001-100	0.001-9999
  CMM(M³ /MIN)	0-999900	0.001-100	0.001-9999

  3. Unit Conversatin ;

  
  

  
  

  	m/s	Ft/min	Knots	Km/h	Mph
  1m/s	1	196.87	1.944	3.60	2.24
  1ft/min	0.00508	1	0.00987	0.01829	0.01138
  1knots	0.5144	101.27	1	1.8519	1.1523
  1km/h	0.2778	54.69	0.54	1	0.6222
  1mph	0.4464	87.89	0.8679	1.6071	1

  4.Air Temperature Range :
  Wind Temperature

  Unit	Scale	Resolution	Accuracy
  ℃	0.0-45.0	0.1	±1.0℃
  ℉	32.0-113.0	0.1	±1.8℉

  5. Operation Conditions :

  
  

  
  

  	Temperature	Humidity
  Host	0-50℃ (32℉~122℉)	≤80% RH
  Fan	0-60℃ (32℉~140℉)

  6. Storage Conditions :

  
  

  
  

  Temperature	-40℃~60℃ (-40℉~140℉)
  Humidity	≤80%RH

  7、Power supply : AAA 1.5V Alkaline battery *4
  8、Low battery indicating : 4.4V±0.2V
  9、Stand by current ≤2uA
  10、Operating Current ≤18mA
  11、Battery use life :20H (Continuous Use )
  12、Dimensions:
  Meter :77x36x164mm
  Vane: 65x29x172mm
  13、Net Weight : 330G (Not Included Battery )