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Automatic Kjeldahl Apparatus

DW-ATN-300

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.drawell.com.cn
Email : [email protected]

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Summary of Contents for DW-ATN-300

Page 1: ...N 300 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 drawell com cn Email sales01 drawell com cn ...

Page 2: ...s Structure 6 V Installation Method 7 5 1 Pre installation Check 7 5 2 Installation Conditions 7 5 3 Installation Steps 7 5 4 Debugging 7 VI Application Methods and Steps 8 6 3 Flow Calibration 9 6 4 Program Settings 9 6 5 Manual Distillation 10 6 6 Automatic Distillation 11 VII Reagent Preparation Method 12 VIII Precautions for Use of Apparatus 13 ...

Page 3: ...ctions Danger Property or personal injuries may be caused please use the machine as required Special power supply Reliable grounding Flammable and explosive No transformation 1 Please use the power supply and voltage conforming to the product requirements 2 The applicable voltage for the equipment is AC220V 50HZ 3 The product shall be reliably grounded and kept away from electromagnetic interferen...

Page 4: ...7 The working environment shall be free from dust and flammable and explosive gases 8 The working environment shall be of 10 45 and relative humidity less than or equal to 80 9 The apparatus shall be installed in the place without direct sunlight 10 As the reagent and other solution are corrosive safety appliances shall be equipped during operation for safety ...

Page 5: ...y Card 1 Product Qualification Certificate 1 Accessories in the accessory box Distilled water inlet pipe 6mm 1 5m 1 Alkali liquid inlet pipe 6mm 1 5m 1 Boric acid solution inlet pipe 6mm 1 5m 1 Waste distilled water pipe 6mm 1 5m 1 Condensed water inlet and outlet pipes 8mm 2 5m 1 for each Digestion pipe 40 300mm 1 Gloves 1pair Power line 1 8m 1 ...

Page 6: ... combinations for water filling alkali filling acid filling and distillation time for setting and application by the user ATN 300 has applied the British self sucking pump method for liquid feeding rather than the inflatable method applied by many domestic manufacturers which can place the liquid feeding barrel under the control console and select the liquid feeding barrel with large capacity ATN ...

Page 7: ...water consumption 1 2L 2 4L min 3 5 Amounts of water filling alkali filling acid filling 0 99ml 3 6 Sample weight Solid 6g liquid 30mL 3 7 Operation mode Dual modes of manual distillation automatic distillation 3 8 Automatic distillation mode Ten kinds of distillation programs 3 9 Alarm and shutdown temperature 120 3 10 Power voltage AC220V 50HZ 3 11 Maximum power 1600w 3 12 Maximum current 7 5A 3...

Page 8: ...wer switch 6 Distillate outlet pipe boric acid filling pipe 7 Conical flask 8 Digestion pipe tray 9 Acid liquid barrel 10 Alkali liquid barrel 11 Distilled water barrel Figure of the Back side Structure of the Apparatus see Figure 4 2 1 Distilled water inlet 2 Alkali liquid inlet 3 Boric acid solution inlet 4 Waste liquid outlet 5 Condensed water outlet 6 Condensed water inlet 7 Power socket The m...

Page 9: ...8 C 6 The drain tank shall be 10cm lower than the apparatus outlet to ensure a smooth drainage 7 As the equipment is a kind of precise apparatus acute vibration or transverse and upside down placement shall be avoided 5 3 Installation Steps refer to Figure 4 1 and Figure 4 2 1 Place the apparatus on a stable experiment table 2 Connect one end of the condensed water inlet pipe with the condensed wa...

Page 10: ...rtup is shown in the Figure 6 1 Function selection 6 2 Press key to enter the function selection page See Figure 6 2 Figure 6 2 Function selection F1 Correction Flow correction F2 Manual Manual distillation F3 Automatic Automatic distillation F4 Program Program setting 6 3 Flow Calibration Prior to flow calibration connect with the container after that press F6 F7 F8 keys for several times to fill...

Page 11: ...the operation is ended record the distilled water volume in the graduated cylinder C Boric acid flow calibration Place the distillate outlet pipe into the graduated cylinder press F7 key to select the acid flow calibration After the operation is ended record the boric acid solution in the graduated cylinder D Press SET after above steps are completed E Input the recorded volume mL value into the c...

Page 12: ...li 12ml Alkali filling amount 12 ml Acid 12ml Acid filling amount 12 ml Time 123s Distillation time 123 S A Press SET key to perform program parameter settings B After each setting press ENT once for confirmation using the following sequence C SET Program X selection ENT Water filling amount ml ENT Alkali filling amount ml ENT Acid filling amount ml ENT Distillation time S ENT ALM Remember After p...

Page 13: ...rement press F3 again to stop the distillation D Press F4 to select the water filling when the solution in the digestion pipe reaches the requirement press F4 again to stop the water filling E Press F5 drainage means to drain out water in the steam generator When impurities occur in the steam generator or the apparatus is not used for a long time water in the steam generator shall be changed or dr...

Page 14: ...olume such as 100ml may be different the users are recommended to perform trial distillation for several times according to the actual conditions to master set the distillation duration VII Reagent Preparation Method 7 1 Prepare 2L 30 40 sodium hydroxide solution and pour it into the alkali barrel suggestion The 35 sodium hydroxide solution is recommended for it will not easily crystallize and blo...

Page 15: ...k the rubber plug 8 4 As the digestion pipe will be very hot after distillation gloves shall be worn upon taking it down to avoid scalding 8 5 The condensed water must be opened during distillation 8 6 The filled alkali must ensure the alkalinity of the digestion solution greater than or equaling to 11 8 7 If the apparatus is not used for a long time in winter water in the steam generator must be ...

Page 16: ...rnational 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 drawell com cn Email sales01 drawell com cn ...

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