viscometer NDJ Series

Model :NDJ-5S,NDJ-9S,NDJ-8S

A viscometer is an instrument used to measure the viscosity of a fluid, which is a measure of its resistance to flow. It is commonly used in industries such as petroleum, food and beverage, pharmaceuticals, and paints to ensure the quality and consistency of liquid products. Viscometers come in various types, including capillary, rotational, and falling ball, each suited for different kinds of fluids and measurement conditions. By determining the viscosity, manufacturers can control the texture, stability, and performance of their products.

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Overview

The NDJ series digital rotary viscometer offers convenient operation, accurate measurements, and comprehensive functions. It features an LCD backlight display, program setting, automatic control, timing measurement, automatic scanning, and error alarms. The screen shows viscosity, temperature, timing, speed, rotor number, percent ratio, and torque range. With computer interface calibration using standard silicone oil, it ensures high sensitivity, precision, and reproducibility. It measures the apparent viscosity of both Newtonian and non-Newtonian fluids, useful in industries like grease, paint, textiles, food, medicine, cosmetics, and more.

features：

measurement data direct LCD screen display does not require two calculations.
using the latest international microcomputer drive technology, import stepper motor, accurate speed, smooth and reliable.
the use of advanced switching power supply technology, voltage and frequency range wide, power fluctuations will not affect measurement accuracy.
The 4level display device is very convenient on the front of the viscometer.
all ranges, the display accuracy of viscosity value is accurate to two decimal places, that is, 0.01mPa.S.
with the function of timing measurement, it is very useful for detecting non Newtonian liquid.
using small sample adapters, the amount of sample required for each measurement is very small, 18ml.
automatic scanning function, the instrument can automatically recommend the best combination of rotor and speed.
automatically display the maximum range of viscosity that the selected combination can measure.
with a print interface, you can directly connect to play micro printing machine, print a variety of data.
optional data processing software, can record real-time viscosity with time, speed or rotor (shear rate), temperature changes vary, which provides a good method to understand the viscosity and rheological properties of non Newtonian liquids.

Specifications

Instrument model	NDJ-5S	NDJ-9S	NDJ-8S
Display mode	liquid-crystal display
Speed (r/min)	6 / 12 / 30 / 60		0.3/0.6/1.5/3/6/12/30/60
Rotor	1#、2#、3#、4# The 0# rotor is optional, for measuring ultra low viscosity below 15
Measuring range	1～100,000		1～2,000,000
Sample size required for each measurement	250 – 400ml
Viscosity display accuracy	0.01mPa.S
Measurement error (Newtonian liquid)	±3%	±1.5%	±3%
repetitive error （Newtonian liquid)	±1.5%	±0.75%	±1.5%
Timing measurement function	standard configuration
Temperature measurement	standard configuration
Measurement range display	Can automatically display the maximum viscosity of composite rotor and speed of the selected measurement value
Constant temperature component	Option (special viscometer constant temperature bath, constant temperature cup, temperature probe, etc.)
Data output interface	standard configuration
Data processing software	option
Working power supply	110V / 60Hz，220V / 50Hz
Outline dimension	300 × 300 × 450(mm)