Fully Automatic Viscosity Meter

Ncy-xSeries (2-digit, 4-digit, 6-digit)

Viscosity Automatic Measurement System

Manual

(NCY-X, 2018.3 Edition)

Over three decades of experience in research, manufacturing, and service for 0.01℃ precision temperature control baths

Twenty-five years of experience in researching, manufacturing, and serving NCY Automatic Viscosity Meters

Self-owned intellectual property; mechanical and electronic, hardware and software

All in-house developed and designed, no copyright issues!

The viscosity measurement system is a specialized, automated testing device designed for determining the intrinsic viscosity, viscosity number, average molecular weight, and other properties of polymers. Depending on the number of test units configured in the system, it is categorized as NCY-X/2, NCY-X/4, and NCY-X/6, corresponding to dual, quad, and hex test units respectively. This allows for simultaneous use by two, four, or six viscometers.

UtilizeNcy-xViscosity Automatic Measurement System Ahead:

The measurement of the time required for a certain amount of solution, previously handled manually, to flow through a capillary.

formerly determined manually for data validity

Like the NCY Automatic Viscosity Meter, it will still be executed by the system.

The system will still display the solution flow in the capillary viscometers of each unit in real-time and visually.

The system will still automatically retest and eliminate out-of-spec results, achieving accurate flow time.

The system still retains the state-of-the-art results from our 1990s national research projects—the JWC precision temperature-controlled槽. It will continue to deliver temperature fluctuations and distributions superior to ±0.01℃ over extended periods, ensuring consistent test data at any moment and location.

In addition, the automatic testing system will also feature the following new functions:

An automatic liquid preparation instrument with precision up to 0.1% concentration, capable of conveniently preparing sample solutions (one-click liquid preparation).

Double-glazed isolation design of the dissolution vial, ensuring the prepared solution dissolves rapidly and evenly in the jingque恒温 oscillating bath without interference from moisture.

Automatic Liquid Delivery System, eliminating the need for manual feeding of the viscosity tube, a comprehensive device that automatically filters the solution and delivers it into the capillary of the viscometer.

Automatic testing completed; the system will automatically extract waste liquid and wait for the arrival of the next sample to automatically complete the capillary rinsing and testing.

When cleaning capillaries is required, simply activate the cleaning program, and the system will autonomously complete the entire process of fluid injection — soaking — recovery — cleaning — drying, without the need for manual intervention.

1. System Structure

Ncy-xThe Automatic Viscosity Measurement System consists of the following components:

1.1 NCY Test Unit, equipped with various sensors and a central controller, capable of performing tests and cleaning the capillary viscometer within the unit, among other tasks.

1.2 JWC series precision thermostatic baths for placement of test units, ensuring the units operate within a normal working environment temperature (instruction manual included).

1.3 PY Series Automatic Mixture Instrument (optional accessory, instruction manual included).

1.4 WR-2 Rapid Sample Dissolution Constant Temperature Oscillator (optional, instruction manual included), equipped with a double set of sample dissolution bottles, operates at precise temperatures while effectively avoiding moisture interference during operation.

1.5 NCY-X Viscosity Automatic Measurement System, integrated into the central control system, provides an accurate measurement of the time taken for the solution to flow through a capillary.

1.6 Sample Inserter

Samples are dissolved in the dissolution vials and placed here. After the system initiates testing, the required solution will be automatically filtered through a sand core and sent to the capillary.

1.7 Cleaning System

Pre-set various detergents to clean the viscometer, filter, and all fluid lines during the automated testing process for a specific unit within the central system. After cleaning, perform a drying procedure.

1.8 Commercial or industrial computers with a printer, keyboard, and monitor, etc.

1.9 NCY-X Automatic Viscosity Test System Central Controller

Comprehensive automation of the entire system.

The entire system operates seamlessly on a Chinese interface, utilizing our independently developed software (Copyright owned).

In light of our developed and produced NCY Automatic Viscosity Meter, which has held an 80%+ market share domestically for nearly two decades, our upgraded NCY-X Automatic Viscosity Measurement System is now fully compatible with the NCY Automatic Viscosity Meter. Using the NCY Automatic Viscosity Meter

Just as in the past three decades, we still provide our extensive user base with our own

Intellectual property rights-protected product designs and hardware/software, thus, we still provide perfect after-sales service to a wide range of customers.

2. Layout of the automatic viscosity measurement system

This automatic testing system consists of several components and can be arranged in various configurations according to the user's setup, but its fundamental principle is:

2.1 Ensure all pipeline distances are as short as possible, while also considering actual operations such as filling and emptying. The cover image illustrates a typical reasonable layout.

2.2 The pipeline connecting from the central control unit to the viscometer must start from the central control system and gradually decrease, without any rise in between.

3. Sample Handling

3.1 Automatic Solution Preparation

Please refer to the instruction manual for the PY Automatic Mixture Dispenser (optional accessories).

3.2 Quick Dissolution of Samples

See WR-2 Rapid Sample Dissolution Oscillator manual (optional accessory), equipped with a double-layered separator sleeve sample bottle.

The dissolution process of the sample in the solvent can sometimes be quite lengthy, taking one, even more, hours. It requires oscillation at as high a temperature as possible to accelerate completion. Excessive temperature will lead to degradation, so the temperature should be precisely controlled.

4. Vacuum Pressure Adjustment

The automatic testing system operates under the influence of vacuum pressure. This system is equipped with dedicated pressure sources for the liquidation, testing, transmission of washing liquid, and drying, all adapted to different vacuum pressures as required by the sample and the various solvent components of the washing liquid.

Vacuum Pressure Adjustment Method:

Two pressure gauges are located on the central control system panel: one for adjusting and controlling the working pressure of the sample solution with a constant pressure gauge, and the other for regulating and controlling the working pressure of the washing liquid with a pump pressure gauge.

Vacuum pressure regulation methods are as follows:

Press the mode key (left button), until L appears0-2 shows the lower limit of the current vacuum setting. Press the up and down keys to change the upper limit setting.

Press the pattern key again to display H1-2 displays the current maximum vacuum level. Press the up and down keys to adjust the maximum set value.

Note: The vacuum pressure value is negative.

5. Inlet and Testing

Prepare a clean empty solvent sample bottle, pour out half of the solvent from the dissolved sample bottle in the oscillator into the empty solvent bottle, and place them together in the corresponding unit for sample injection.

During testing, only approximately 13mL of sample is required. Therefore, if rinsing is needed before testing, about 26mL of solution must be prepared at once. Place the solvent bottle on the autosampler, press the rinse button for the corresponding unit, and the solvent bottle rack advances. Stop when the previous solvent bottle (for rinsing) is at the pipette position, then lower the pipette into the flask. At the same time, the cap on the flask for the test sample automatically seals. After initiating the test, the testing system will automatically draw the solution from the solvent bottle, complete the rinse, and automatically discharge the liquid.

Continue holding the test button, another sample vial is sent to the testing position, waiting for the test to start. Test completed, the sample vial returns to the starting position.

Sample Solvent Bottle Location

Wash Position: The liquid tube is inserted into the front beaker, and the mouth of the rear beaker automatically covers it.

Test port: Insert the syringe into the vial at the back.

Test complete, solvent bottle returned to starting position.

After initiating the test program for this unit on the computer, the unit automatically enters the working state. The subsequent work is performed automatically by the system. The operator can view the progress of the unit's testing on the screen, and a dialog box will automatically pop up if an issue is encountered during the test.

Test completed; after the system automatically discharges the waste fluid, it proceeds to the next test phase.

6. Capillary Viscometer Cleaning and Drying

After a period of use, the viscometer should be cleaned.

First, place a solution vial into the rinsing position (or test position) of the sampler, and the pipette will automatically insert into the bottom of the bottle (this is very important!!)

Check and ensure that there is an adequate amount of cleaning fluid and other solvents, as well as potable water. Verify that containers for waste fluid and wastewater have sufficient remaining space.

Then, the entire cleaning-drying process can be initiated and completed.

Select "Wash Solution Soaking" on the computer interface, and the viscometer can complete the entire cleaning-drying process.

7. Routine Maintenance

7.1 Liquid Storage Bottle

The storage bottles require regular monitoring of the liquid level. For waste liquid collection, timely cleaning is necessary when the level is high; for new liquid, timely replenishment should be ensured.

When removing the bottle cap, be mindful of its original state. Some may come with a layer of PTFE film to address the corrosion issue of the cap. When reinserting the plastic tube, always note the tube's identification and the corresponding entrance indicated on the bottle label. Make sure to tighten the cap securely when replacing it, ensuring a proper seal.

7.2 Vacuum Pump

During operation, if the suction port of this vacuum pump maintains vacuum (low pressure), it may cause the oil pump to spray oil outward from the suction port. The machine has been equipped with a special program in the control system to prevent oil spraying. However, after a considerable period of use, the oil level will also decrease. When the oil level in the oil gauge on the pump side is observed to be below "min," oil should be added to the vacuum pump from the suction port until it reaches between the first and second graduation lines on the oil gauge.

8. Key Technical Specifications

9. After-Sales Service

This product includes a five-year free warranty for the test unit.

Computer components, adhering to the maintenance and repair standards of the computer industry.

Other parts come with a two-year free warranty.

Lifetime warranty.

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GlueFully automated experimental technology for the degree test, enabling:

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Significantly reduced the skill requirements for laboratory personnel.

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Effectively reduce managers' headaches.

Unique design, compatible with new and old machines, a star for users.