I. Summary
The instrument is suitable to determine absolute viscosity of Newtonian Liquids and apparent viscosity of Non-Newtonian Liquids. It can be used to determine the viscosity of petroleum oil, resin, paint, ink, sizing agent, cosmetic, cream, medicine, and asphalt, etc. When you determine different liquids, please select different measurement units as per their different viscosities and different test requirements. The instrument has characteristics of small, light, convenient, easy to be maintained, durable and it can determine the viscosity of liquids quickly and reliably.

 
II. Main technical specifications
1. Measurement range: 1 mPa·s~1×106 mPa·s
2. Measuring accuracy: ±5% (For Newtonian Liquids)
3. Measuring unit: Unit II and Unit III
4. Rotating speed: 750 RPM, 75 RPM, 7.5 RPM
5. Power supply: AC 220 V±10%, 50 Hz
6. Dimension: 170 mm×140 mm×440 mm
7. Weight: 15 kg
 
NDJ-79A Rotational Viscometer
 
 I. Summary
   This viscometer is the upgraded instrument of NDJ-79 rotational viscometer. It can be used to determine absolute viscosity of Newtonian liquids and apparent viscosity of Non-Newtonian liquids.
   The instrument adopts advanced mechanical design technology and manufacturing process, using micro-computer technology to control speed,collect data and process data.Equipped with high-light LCD screen and micro-needle printer.The test data can show on the screen real time  and also output by printer.In addition,the instrument can also connect with PC via RS232 communication port.
   The instrument has the characteristics of high sensitivity, reliability, convenience and good looking.It can be widely used to determine the viscosity of liquids such as greases, oil paints, plastics, pharmaceutics, coatings, adhesives, detergents, and other fluids.

 
II. Main technical specifications
1. Measurement range:  1mPa·s~1×106mPa·s
2. Spindle:   Unit II  1#  10#  100#
                    Unit III  0.1, 0.2, 0.4, 0.5, seven in total
3. Spindle speed:   7.5--750r/min stepless speed regulating
4. Measuring accuracy:   ±2%(F·S)
5. Temperature control range:   0ºC~100ºC
6. Power supply:    AC 220V±10%,50Hz
7. Working environment:
(1) Ambient temperature: 5~35ºC
(2) Relative humidity: ≤80%
 

FAQ     

1. How can I choose the suitable one?
Dear customer, please tell us your detailed requirements by mail or online, we will recommend the suitable one as your request.
2. Does your price is competitive?
Dear customer, we make sure to offer you the best quality with competitive price.
3. How can I pay?
Dear customer, we accept many payment term, such as T/T, Western Union…
4. When I receive it after pay?
Dear customer, normal models can be delivered with 5-7days, please contact us to check transport time to your address.
5. How to deliver?
Dear customer, we can send by Express, by Sea and by Air.
6. Is will be broken during transport?
Dear customer, please do not worry, we do standard export package.
7. What should I do if I do not know how to use?
Dear customer, please do not worry, manual user will be sent together, you can also contact us with more technological support.
8. What should I do if some parts broken?
Dear customer, please do not worry, we have 12months warranty except  wear parts. You can also buy parts from us after 12months.
 

Pre-sale service

· 24hours online to ensure quick response to customers' inquiry or online message;

· Guide customers to choose the best suitable machine model;

· Offer detailed specification and competitive prices;

Contract execution

· Machine production will be arranged strictly according to the contract;

· Machine photos will be sent to you for inspection during production;

· Send customs clearance documents by DHL;

· Update latest news after delivery and prepare customs clearance;

After-sale service

· 12 months warranty except for wear parts;

· Broken spare parts (except for wear parts) will be sent for free due to quality problems;

· In time response to customers technical problems;

· New products update for customers' reference

Our Company:
Since 2008, We have become a professional laboratory instrument manufacturer.
Since the establishment of the International Department in 2010, the products are exported to Europe, America and Asia and Africa!
Whether it is technology, factory area, multi-language sales. We are all professional!


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Certification:
Our products have international certifications such as SGS, CE, ISO!

Warranty And After-sale Service
♥♥We Supply 1 Year Warranty , And Lifelong Free Technical Guiding And Training♥♥