KJDF1 Exhaust and Fume Elimination System (Scrubber) Please read the User Manual carefully before use and follow all operating and safety instructions! user manual english
User Manual KJDF1 Exhaust and Fume Elimination System (Scrubber) Important notice This instrument is designed for laboratory usage only. Please read this manual carefully before installing or operating this equipment. The instrument shall not be modified in any way. Any modification will void the warranty and may result in potential hazard. We are not responsible for any injury or damage caused by any non-intended purposes and modifying the instrument without authorization.
Warning: The instrument cannot provide the designed protection for operators who do not follow the right procedures and requirements given by the manufacturer. Warning: All solutions must be handled with care according to the lab’s safety regulation. Please make a reference to the related material safety data sheet. Wear the lab-gown, goggle and rubber gloves all the time. Be care of hot reagents. Warning: Be aware of the risk of electric shock.
2. Main Technical Function of the Instrument 2.1 Specification 2.1.1 Power supply: AC（220±22）V; （50±1）Hz 2.1.2 Power: 320 W 2.1.3 Weight: 25 kg 2.1.4 Dimension: 390 mm × 340 mm × 550 mm (L × W × H) 2.2 Working Condition 2.2.1 Input voltage: AC（220±22）V; （50±1）Hz Overcurrent and leakage protection switch and reliable ground wire shall be provided. 2.2.2 This instrument shall be installed where power socket is provided. 2.2.
3. Structure of the Instrument 3.1 Main components of the instrument 1. Air inlet 2. Air outlet 3. Washing tank 4. Neutralization tank 5. Drying tank 6. Fast coupling 7. Flowmeter valve 8. Pipe Joint 9. Connecting Pipe 10. Power switch 11. Pipeline connection Instruction 12. Power socket 13.
3.2 Joining process for fast coupling 3.2.1 The PTFE pipe end can be inserted into the fast coupling. 3.2.2 When the PTFE pipe need to be pulled out, Press down the clamp ring of the fast coupling with left hand. At the same time, grasp tightly the PTFE pipe end with right hand and pull it out in an upright manner. Attention: Be sure not to pull the bellows in a rude manner. 3.3 Reading of the flowmeter Center of the taper pipe Reading position 4. Installation 4.1 Installation Requirements 4.1.1.
5. Operation of the Instrument 5.1 Sample Preparation 5.1.1. Preparation of the NaOH solution The concentration of NaOH solution shall be 10 % - 30 %. Na2CO3 solution can be used as a substitute for NaOH solution and formulated in two ways: ● Dilute 600 g Na2CO3 with 3 L warm distilled water. ● Dilute 1.7 kg Na2CO3·10H2O with 3 L warm distilled water. 5.1.2 Add pH indicator to NaOH solution: Indicator shall be added to the NaOH solution.
6. Maintenance and Service 6.1 Maintenance 6.1.1 Regular check for the gas piping is required. Timely maintenance and replacement shall be carried out in case of loosening or leakage. 6.1.2 Corrosion may occur due to strong acid in the piping. Stop using the instrument if the corrosion is in a severe condition. Please consult with your provider and handle it properly under the direction of the customer service staff. 6.1.3 Timely replace the gas Exhaust System and the neutralizer. 6.2 Service Item No.
7. Declaration and Safety Instructions 7.1 Declaration This product has a 1 year warranty for the complete machine after the date of sale (subject to the invoice date), except in the following cases: 7.1.1 Expiration of the warranty period; 7.1.2 Damages of the instrument arising from misuse; 7.1.3 Damages due to disassembly without authorization of the manufacturer; 7.1.4 Damages of the instrument caused by improper storage. 7.
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