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3  FUNCTIONAL AND OPERATING ELEMENTS 

3.1 Operating elements 

The  sensor  has  a  power  button,  two  arrow  keys  for  naviga-
tion and 2 LEDs whose function is described below. 
 

Function of the power button       

Short press 

Switch on the device 

Long actuation (> 3s) 

Switch on Bluetooth 
Switch off the device 

Warning:

  To  switch  off  the  device,  Bluetooth  must  be 

switched on. 
 
 

Function of the button  

 

Short 
press 

Select vertical menu. 
(headings) 

>3s 
actuated 

Language  configurati-
on 

 
 
 

 

 

 

 

 

 

 

 

 

 

 

 

 

  

     Fig. 2 

Function of the button  

Short press 

Select horizontal menu. 
(measurement channels) 

Long actuation (>3s) 
In  category  weather  and 
light 

Wind direction calibration 
 

Long actuation (>3s) 
In section GPS 

Switching GPS on / off 
 

 
 

Functions of the Bluetooth LED  

Flashes red every 2s 

Not connected 

Flashing  green  every 
2s 

Connected to terminal de-
vice 

Flashing  green  every 
4s 

Measurement  recording  in 
progress 

 

Functions of the charging LED  

Flashing red  

Low battery 

Red luminous 

Charging active 

Green shining 

Charging finished 

 

3.2 Functional elements

 

 
 
 
 
 
 
 
 
 
 

 

   

 

 

 

 

 

   

 

 

 

Fig. 3 

 
 

3.3 USB port  

The  battery,  which  is  permanently  installed  in  the  sensor,  is 
charged  via  the  type  C USB  port.

 

Furthermore,  communica-

tion with a computer takes place via this interface. 
To prevent moisture from penetrating, press the rubber cover 
onto the USB socket. 
 

3.4 Wind sensor impeller 

Position the impeller in the wind so that it is blown at a right 
angle,  or  press  the  unit  onto  the  rotating  head  of  the  stand 
and mount the wind vane. The unit will now automatically po-
sition itself in the wind. 
 

3.5 Wind vane 

The  supplied  wind  vane  is  screwed  into  the  thread  in  the 
middle of the back and secured with the union nut. The wind 
vane  automatically  turns  the  unit  into  the  wind  when  it  is 
rotatably mounted, for example on a tripod. 
 

3.6 Light sensor  

The light sensor is mounted on the top of the unit, protected 
from water. Align the sensor according to the light source. 
 

3.7 Tripod connection 

Press the black cap on the bottom of 
the sensor onto the rotatable adapter 
on the stand. 
 
 
 
 
 
 

   

 

 

 

  

                       

 

    

 

 

 

 

 

 

     

Fig. 4   

4  NOTES ON OPERATION 

This  device  fulfils  all  of  the  technical  requirements  that  are 
compiled in current EC guidelines. The characteristics of this 
product qualify it for the CE mark. 
The  individual  connecting  leads  are  each  not  to  be  longer 
than 2 m. 
The instrument can be so influenced by electrostatic charges 
and  other  electromagnetic  phenomena  (HF,  bursts,  indirect 
lightning  discharges)  that it  no  longer  works  within  the  given 
specifications. Carry out the following measures to reduce or 
eliminate  the  effect  of  such  disturbance:  Ensure  potential 
equalization at the PC (especially with Laptops). Use screen-
ing.  
 

5   HANDLING 

This section describes the start-up of the sensor and the re-
cording of measurement  data.  Please  read this  section  thor-
oughly in order to avoid failures or operating errors. 
 
 

5.1  Charging process 

Connect  the  sensor  to  a  computer  or  an  appropriate  USB 
charger (not supplied) using a USB-C connection cable. 
During  charging,  the  charging  LED  lights  up  red.  When  the 
charging  process  is  complete,  the  charging  LED  lights  up 
green. The charging time for an empty battery is a maximum 
of 3 hours. 
 
 

Light sensor 

Wind sensor 
Impeller 

Wind vane 

Tripod  
connection 

USB 

Summary of Contents for Cobra SMARTsense

Page 1: ... operating this instrument This is necessary to avoid damage to it as well as for user safety Only use the instrument for the purpose for which it was designed Protect the instrument from dust moisture and vapours Use a slightly moist lint free cloth to clean the instrument Do not use aggressive cleaning agents or solvents Do not open the unit 2 PURPOSE AND CHARACTERISTICS The sensor measures wind...

Page 2: ...automatically po sition itself in the wind 3 5 Wind vane The supplied wind vane is screwed into the thread in the middle of the back and secured with the union nut The wind vane automatically turns the unit into the wind when it is rotatably mounted for example on a tripod 3 6 Light sensor The light sensor is mounted on the top of the unit protected from water Align the sensor according to the lig...

Page 3: ...means that the air is maximally saturated Absolute humidity The absolute humidity indicates how many grams g of water are contained per cubic metre m of air water vapour densi ty Dew point The dew point indicates the temperature to which air must be cooled until it is saturated with water vapour so that it can start to condense The following figure shows the dew point as a function of rel ative hu...

Page 4: ...which the dateline runs has an angle of 180 The prime meridian divides the earth s surface into a western and an eastern hemisphere In order to distinguish places on the two hemispheres from each other the traditional notation additionally gives the longitude a W for west or an E for east The latitude and longitude are given in sexagesimal system This is based on the number 60 where the coordinate...

Page 5: ... point Measuring range Wind Chill Measuring range Barometric pressure Measuring range Resolution Ambient light Measuring range Resolution UV Index Measuring range Resolution PAR Measuring range 1 8 54 km h 0 36 km h 0 360 40 125 C 0 1 C 0 100 0 1 0 600 g m3 10 40 C 70 10 C 450 1100 hPa 0 2 hPa 0 128000 Lx 1 Lx 1 12 1 0 2400 µmol m2 s Radiant intensity Measuring range Height Measuring range Longitu...

Page 6: ... returned to the local recycling sta tions PHYWE Systeme GmbH Co KG Abteilung Kundendienst Robert Bosch Breite 10 D 37079 Göttingen Telefon 49 0 551 604 274 Fax 49 0 551 604 246 Do not dispose of this product with normal household waste If this unit needs to be disposed of please return it to the address that is stated below for proper disposal ...

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