Application Areas
The Kjeldahl nitrogen analyzer uses the Kjeldahl method to detect the content of ammonia, protein nitrogen, phenol, volatile fatty acid, cyanide, sulfur dioxide, ethanol, etc. in grains, food, feed, water, soil, sludge, sediment and chemicals. . It has a very good price-performance ratio, and only the titration process requires manual operation, which is very suitable for routine testing by laboratories and inspection institutions. It is widely used in the analysis of nitrogen or protein content of food, crops, seeds, soil, fertilizers and other samples.

Specification of Product
Model | DW-ATN-100 | DW-ATN-300 |
Picture |  |  |
Determination of varieties | Food, food, dairy, beverages, feed, soil, water, drugs, sediments and chemicals | Food, food, dairy, beverages, feed, soil, water, drugs, sediments and chemicals |
Measuring range | 0.1mgN~200mgN | 0.1mgN ~240mgN(nitrogen content 0.02% ~95%) |
work mode | semi-automatic | Automatic |
Determine the amount of sample | Solid ≤ 5g / unit Liquid ≤ 15ml / unit | Solid ≤ 5g / unit Liquid ≤ 15ml / unit |
Recovery | better than 99.5% | better than 99.5% |
Repeatability | <1% | ≤ ±1% |
Distillation rate | 3 to 7 minutes / sample | 3 to 7 minutes / sample |
Cooling water consumption | 2L / min | 1L-2L / min |
Power supply | 220V 50Hz | 220V 50Hz |
Power | 2000W | 1600W |
Dimensions | 380 * 330 * 820mm | 775*380*330*mm |
Weight | 26kg | 28kg |
KDN-D series digital-display temperature-controllable digestion furnace have models of 4 holes, 8 holes, 12 holes and 20 holes for user to choose, depending on their detection amount. SO2 and other poisonous gas escaping from digestion furnace will be discharged by relevant waste gas absorption system, guaranteeing the safety and cleanness of your lab.
Name | Model | Picture | Specification |
Digital display temperature controllable digestion furnace | KDN-04D |  | 4 samples/batch |
KDN-08D | 8 samples/batch |
KDN-12D | 12 samples/batch |
KDN-20D | 20 samples/batch |
Product Display


Why Choose Us?
1. On-time Delivery
Our on-time delivery rate is 100%. Delivery time is usually 7-15 working days after payment.
2. Rich Export Experience
Drawell is founded in 1999, and has more than 20 years of exporting experience. We have a professional sales team of around 30 peoples.
Our main markets are South Africa, Middle East, Southeast Asia, Europe, etc. So far, we have established business relationships with more than 100 countries.
3. Quick Service
For the before-order stage, our professional sales team will respond to your inquiry within 24 hours whether it is on working days or not.
For the order-running process, we will keep track of your order. You don’t have to worry about the quality or production time.
For the after-sales stage, our technical guidance is free and ready forever. If you have any problems, our after-sales team and engineers will help you solve it, and you will get an answer within 24 hours.
Order Process of Vacuum Drying Oven

Payment
● More Payment terms could be provided (T/T, PAYPAL, WESTERN UNION)

Logistics

FAQ
1. Are you a factory or trading company?
- We are a factory.
2. What is the MOQ?
- Normally, MOQ is 1 piece
- If there is no stock, the general MOQ are in a big difference between different products. But the quantity still can be negotiated.
3. Can we ask for a sample from your company?
- Sample is available, but we do not provide a free sample.
4. Do you provide OEM service?
- OEM service is available with the customer's brand.
5. Which payment can be acceptable?
- We accept the payment by T/T, Paypal, Western Union, etc.
6. How about your delivery time?
- Generally, it will take 7-15 working days after receiving your advance payment. Depend on the quantity.
7. What after-sales service do you provide?
- We could provide Online instruction; Real-time support by video call or voice chat; During warranty time, we can send product accessories when you need them for free; Technical guidance is free and ready forever.
8. How long is the warranty?
- 1 year. it can be negotiated if you need an extended warranty.
9. If you have other questions, you can contact us through:
- Email: sales08@drawell.com.cn
- Tel: 008613320353102