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AIR FLOW ANEMOMETER 

INSTRUCTION MANUAL 

 

 

 

Thank  you  for  purchasing  our  company  Air  Flow 

Anemometer. 

 

This manual provides relative information on how to use the 

Air  Anemometer  and  warning  in  operation  Please  make 
some  simple  test  measurement  to  ensure  proper 
performance of the unit. 

 

To  make  the  best  use  of  this  Anemometer,  read  this 

Manual thoroughly before use it. Please Keep this Manual 
Handy for reference. 

 

 

1.

 

Before Use Notice 

 

Check up 

Carefully  unpack  your  kit  and  ensure  that  you 

have  the  following  Items.  In  case  that  any  items  is 
missing  or  if  you  find  any  mismatch  or 
damage .promptly contact your local dealer. 

 

Air Flow Anemometer unit-------------- 1pcs 

 

wind velocity sensors ----------------- 1pcs 

 

6F22 or NEDA 1604 9V battery ----------1pcs 

 

English/Chinese Instruction Manual ------1pcs 

 

Warranty Card    --------------------- 1pcs 

 

PP Packing box    -------------------- 1pcs 

 

Features 

 

Measurement of wind velocity, temperature and wind 
flow 

 

Unit  conversion  of  wind  velocity,  temperature  and 
flow 

 

Measurement  of  maximum  and  minimum  wind 
velocity 

 

Measurement of 2/3V max and average wind flow 

 

Data holding, storing and deleting function 

 

Low battery indicating function 

 

Auto power off function (Button without any operation 
and the fan static after 5 minutes will be turned off) 

 

Memory of 300 records 

 

Backlight function 

 

Pressing key audio alert 

 

Large LCD display 

 

Wind Handle Can Elongate 

 

DIAGRAM OF THE UNIT 

 

1). LCD display   

2). Max/Min value switch   
3). Power key: press once to power on, again for two seconds 
to power off 
4). Wind velocity/flow transform key 
5). Data holding key 
6). Temperature unit switch 
7) Unit transform key   
8) Measuring key for average value of wind flow. 
9) Record the measurement data 
10) Wind flow AVG 2/3 MAX and figure input 
11) Read out recorded data key 
12) Reset key in "READ" mode/clear recorded 
13)  Backlight  on/off  key,  press  down  to  start  the  backlight 

function, again to cancel. 

14) Duct area input and sampling time setting key 
15) Connecting wire 
16) wind velocity sensors 

 

NOTE: 

Aforesaid  key  function  descriptions  are 

simple 

introduction. 

Pleas read operation instructions parts for details. 

 
LCD Display   

                                                                                                 

 

 

 

 

 

 

 

 

 

 

1)   

 

When  measuring  wind  velocity,  this  symbol  will 

appears 

2) 

   

When  measuring  wind  flow,  this  symbol 

Summary of Contents for HP-846A

Page 1: ...easurement of 2 3V max and average wind flow Data holding storing and deleting function Low battery indicating function Auto power off function Button without any operation and the fan static after 5 minutes will be turned off Memory of 300 records Backlight function Pressing key audio alert Large LCD display Wind Handle Can Elongate DIAGRAM OF THE UNIT 1 LCD display 2 Max Min value switch 3 Power...

Page 2: ... 0 999900 0 001 100 0 001 9999 2 Unit Conversation m s Ft min Knots Km h Mph m s 1 196 87 1 944 3 60 2 24 Ft min 0 00508 1 0 00987 0 01829 0 01138 Knots 0 5144 101 27 1 1 8519 1 1523 Km h 0 2778 54 69 0 54 1 0 6222 Mph 0 4464 87 89 0 8679 1 6071 1 4 Air Temperature Range 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 ...

Page 3: ...his time the LCD screen shows as above diagram Press the AREA key Letter on the LCD will disappeared at this time you can input duct area such as 1 2 press ENTER key confirm press again the OPTION key to select 2 3 V max the LCD screen as shown in figure 8 Figure 8 Aim the vane of the attached unit at duct area properly take measurement of 2 3 V max wind flow right away press again the OPTION key ...

Page 4: ...is block or not connected 3 If the unit can not read the wind temperature value properly please check if the heat resistor is fall off or damaged by manual 4 If the unit can not read data properly please check it is operated under the rule temperature and humidity situation 5 when Measure the wind velocity the temperature display line don t show the number for temperature overflow or probe fault W...

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