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Respected customers: 

Thank you for choosing our company's products. In order to obtain satisfactory results, please read 

the  product  manual  carefully  before  starting  the  machine.  If  you  have  any  questions,  please 

contact us in time. We will serve you wholeheartedly! 

The instruction manual of this product is completed by the company's technicians, and we strive to 

make the content of this manual clear, popular and understandable, if you feel the intention is not 

expressed, and also ask the experts to find the question in the course of use or to give the message, 

please give the message, and we express our heartfelt thanks for it. 

 

                                                                      Shanghai  Drawell  Scientific  Instruments  Co., 

Ltd. 

                                                                              Tel:0086 21 50966080 

 

 

Security warning 

Danger!!! May constitute property damage or personnel injury, please use as required! 

             

                                     

 

SPECIAL POWER SOURCE                                                GND

 

               

                                       

         

FLAMMABLE AND EXPLOSIVE 

                           

No RENOVATION

 

 

a. Please use the power supply and voltage conforming to the requirements of this product. 

b. The voltage of this device is AC220V/50HZ. 

c.  The  product  must  be  grounded  reliably  and  away  from  the  electromagnetic  interference 

source. 

d. The product should use an independent power socket, and confirm that the plug and socket 

are well grounded. 

e.  It  is  not  allowed  to  unplug  or  plug  in  the  power  switch  without  turning  off  the  power 

switch in operation. 

Summary of Contents for DW-KDN-20D

Page 1: ...DW KDN 20D Drawell International Technology Limited Shanghai Drawell Scientific Instrument Co Ltd Add Suite 1506 Lane581 XiuChuan Rd PuDong New Area Shanghai China Tel Fax 0086 21 50966080 Web www dra...

Page 2: ...res 3 2 Technical Parameters 3 Method of connection of digester furnace 4 Digestion furnace temperature control 5 1 Temperature control instrument button description 5 2 Temperature setting 5 Method o...

Page 3: ...e message please give the message and we express our heartfelt thanks for it Shanghai Drawell Scientific Instruments Co Ltd Tel 0086 21 50966080 Security warning Danger May constitute property damage...

Page 4: ...ronment requires no dust inflammable and explosive gas h The working environment temperature is 10 45 degrees relative humidity is less than 80 i The instrument must be installed in a place without di...

Page 5: ...0ml c Capacity of digestive tube 300ml standard d Determination range 240mgN e Temperature control range at room temperature to 550 f Heating rate 60 degrees min g Temperature control accuracy 1 h Pow...

Page 6: ...onnection The filter contains 500 1000ml of lye which is neutralized by harmful gases such as SO2 which can be used to filter the harmful substances of adsorption particle Note The above is a descript...

Page 7: ...o increase or decrease according to the required temperature value When the value of display window reaches the required temperature value ie After the setting is completed press to confirm Method of...

Page 8: ...r the digestion time e After the digestion is completed it will be moved to the test tube cooling rack together with the tube digester and exhaust gas absorption device Precautions a The first answer...

Page 9: ...0 holes 1 3 Digestive tube cooling rack 20 holes 1 4 Digestive tube 40 300mm 20 5 Exhaust absorption 50 280mm 5 6 Exhaust gas absorption bottle seal 55 28mm 20 7 Extraction tee Teflon 3 8 Power cable...

Page 10: ...8 Drawell International Technology Limited Shanghai Drawell Scientific Instrument Co Ltd...

Page 11: ...9 Add Suite 1506 Lane581 XiuChuan Rd PuDong New Area Shanghai China Tel Fax 0086 21 50966080 Web www drawell com cn Email sales01 drawell com cn...

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