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18. Storage, maintenance, and handling 

 

* Handling and storage 

 

 

Never disassemble this product. 

 

Do not give a shock or vibration to the instrument. 

 There may cause a risk of malfunction. 

 

 

Do  not  use  or  store  this  product  in  a  corrosive  gas 

environment. 

 There may cause a risk of malfunction. 

 

Store  indoors  with  less  fluctuation  in  temperature  and 

humidity 

 

This product may malfunction if stored below zero 

degrees or in a high humidity place.

 

 

Remove the batteries from the instrument for storage. 

  Possible  leakage  of  the  battery  may  cause  a  risk  of 

malfunction. 

* Maintenance 

 

 

Do not use water, boiling water, or organic solvents such as 

alcohols. 

  Failure  may  result  in  malfunctioning  of  this  product  or 

breakage/discoloration of the parts. 

 Use a clean cloth to wipe off dirt on this product. 

 

If the temperature/humidity sensor unit gets wet, blow away 

waterdrops with a blower or the like to dry. If it is hard to dry 

the temperature/humidity sensor, remove the globe and the 

sensor cap B to dry it. (Refer to page 31 for how to remove.) 

 
 
 
 
 
 

 

 

Summary of Contents for WBGT-301

Page 1: ...ge settings 12 Memory 13 Alarm 14 Other settings 15 Connect to external devices 16 USB communication 17 Replace batteries 18 Storage maintenance and handling 19 Part replacement 20 Troubleshooting 21...

Page 2: ...anger to the user when WBGT reading reaches a preset threshold value Available for both indoor and outdoor use Ordinary thermometer cannot measure the radiation heat i e solar radiation heat or reflec...

Page 3: ...nit with aluminum foil or the like when measuring under a strong radiant heat environment and expose only the sensor unit This product should be placed in the shade when not in use If the temperature...

Page 4: ...use The possible heat stroke has to be cautioned by other than WBGT index environmental conditions individual difference or physical condition and the wear Heat stroke occurs more likely when the pers...

Page 5: ...drops that may have adhered to the USB port of the main unit It may cause a malfunction if used with dust or waterdrops adhered Be sure to use this product with batteries in place even when supplying...

Page 6: ...erature humidity sensor inside USB port Setting button Bottom view Sensor cap B Type Serial No Battery cover Strap hole for hanging Strap is not included with this product Tripod mounting hole Sensor...

Page 7: ...value Temperature display Globe temperature display Date time setting Memory Alarm Contrast External device connection External alarm is active blinking inactive lighting Time display Icon Remaining b...

Page 8: ...e measured value of WBGT is expressed as WBGT reading in this manual Accessories WBGT 301 WBGT 302 Operation manual AA size alkaline battery Two Carrying case Index sticker Inspection Certificate Warr...

Page 9: ...on Confirm values to be set in the parameter settings Up arrow button Allows to change parameter values and switch the display of temperature Ta or globe temperature Tg Down arrow button Allows to cha...

Page 10: ...globe temperature The unit is C Under sunlight 0 7 x wet bulb temperature 0 2 x globe temperature 0 1 x dry bulb temperature Without sunlight 0 7 x wet bulb temperature 0 3 x globe temperature This pr...

Page 11: ...with screws then install this product on the fixing plate with the fixing screw for mounting a tripod Secure the fixing plate firmly so as not to fall off Screws for mounting the fixing plate are not...

Page 12: ...teries are first loaded A measurement is performed once every 1 second and the display will be updated Press and hold for more than 3 seconds Release button In initial start up time after batteries ar...

Page 13: ...o switch the measured value of minimum MIN or maximum MAX Possible to switch the screen with either Up or Down arrow button Possible to switch the screen with either Right or Left arrow button Switchi...

Page 14: ...for setting Date time will be displayed first after startup The setting method is described below Example When setting July 9 2023 Set year Move the digit to be selected Set the value to 23 and go to...

Page 15: ...can be changed later In this case after changing the settings press OK button to return to the setting change screen Set time Set the value to 1 Move the digit to be selected Set the value to 3 Move t...

Page 16: ...urement mode Switch measurement mode Under sunlight Switch measurement mode Without sunlight USB communication Switch USB connection method When changing the settings press and hold button for 2 secon...

Page 17: ...e right Long press Move the icon to be selected to the right Move the icon to be selected to the right Move the icon to be selected to the right Move the icon to be selected to the lower Move selectio...

Page 18: ...mode Setting switch 1 2 PC USB connection OFF OFF Peripherals UART connection ON OFF Refer to page 23 25 for more details of the setting The setting switch is in the battery box of the main unit Defau...

Page 19: ...screen of changing settings Recording interval in memory Data can be stored at the preset memory interval even if the power is turned off Select ON OFF When ON is selected go to interval in memory set...

Page 20: ...er the data in an appropriate time The stored data can be checked and transferred by connecting the unit to a PC Please set the communication mode to USB communication mode Refer to page 18 25 for mor...

Page 21: ...asurement data is below the preset threshold Select the alarm icon from the screen of changing settings Alarm threshold Notice Keeping the alarm sounding results in shortening the battery life Warning...

Page 22: ...en this function is turned on Turn off this setting by selecting the eco icon from the screen of changing settings to display the screen all the time Switch the setting of Under sunlight Without sunli...

Page 23: ...m level 1 to 4 Setting range of threshold level 15 0 40 0 C WBGT reading will be monitored every minute immediately after completing the setting when the function of connecting to the external devices...

Page 24: ...Set the threshold of Level 4 and press OK button to complete the settings Default OFF Level 1 Level 2 Set the threshold of Level 1 and press OK button to go to Level 2 Set the threshold of Level 2 and...

Page 25: ...duct Default USB communication mode USB2 0 cable A to C is necessary to use this function Refer to page 36 for the purchase of the USB2 0 cable A to C Select the USB icon from the screen of changing s...

Page 26: ...tion Battery fully charged Battery partially discharged Battery becoming low Replace batteries USB power feeding The Low battery screen will display as shown below if the remaining battery life is too...

Page 27: ...and the battery cover in the reverse order of removal Push the packing all the way into the groove of the main unit so that it does not come off the main unit Request Warning Be sure to use alkaline b...

Page 28: ...The waterproof performance cannot be maintained if the packing is damaged and it may cause a malfunction Replace the packing if it is damaged Refer to page 36...

Page 29: ...in a high humidity place Remove the batteries from the instrument for storage Possible leakage of the battery may cause a risk of malfunction Maintenance Do not use water boiling water or organic sol...

Page 30: ...llowing cautions in operating this product Never use this product with the battery cover and the packing removed Be sure to close the battery cover and the packing firmly Never splash hot water or ste...

Page 31: ...enance Screw 1 Hold the globe and the main unit and turn the globe counterclockwise to remove it Be careful not to drop the globe when removing it 2 Slide the sensor cap B on the back of the main unit...

Page 32: ...sensor for more details on how to replace it Request Correct measurements may not be possible if the sensor element is touched Be sure to install the sensor without touching it Be sure to remove batte...

Page 33: ...he batteries after removing them If the error message is still displayed after the power is turned on again contact your KEM representative Communication error was detected in the temperature humidity...

Page 34: ...in the sensor measurement value Check if the globe is not overheated or if dust or waterdrops are attached to the temperature humidity sensor unit Refer to page 29 31 If the error message is still di...

Page 35: ...isplayed after installing batteries Check the polarity of batteries the direction of and Refer to page 27 Batteries are running low Replace them with new ones immediately Refer to page 26 27 Temperatu...

Page 36: ...783 02 USB2 0 Cable A to C 1 2 0m 12 08547 Splash proof Cover 1 Used for USB connection Consumables Part No Part name Sketch 20 05996 Rubber Chip 20 13243 Packing 20 13246 Sensor Cap B 20 13248 Globe...

Page 37: ...of water and salt conducted aggressively People who are weak or not used to the heat should stop the exercise 25 C 28 C Warning rests should be provided often At a WBGT of above 25 C the danger of hea...

Page 38: ...g work weeding digging up glasses Harvesting fruits and vegetables Pushing pulling a cart and a handcart with light load Walking on flat ground at 2 5 to 5 5 km h Forging 28 C 26 C 3 Heavy metabolic r...

Page 39: ...ture 0 C to 50 C indoor Storage environment Dustless and organic gasless indoor with less fluctuation in temperature and humidity External output USB Type C Communication Specifications 3 USB connecti...

Page 40: ...lfunction is caused by usage environment usage method maintenance or storage method that departs from the description in this operation manual Breakage and or malfunction is caused by careless handlin...

Page 41: ...r without predictability of KEM for loss or damage resulting from a particular reason secondary loss or damage accident compensation damage to products other than those supplied by KEM and any other i...

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