Viscometer
Rotary Digital Viscometer
RVDV-1, DV-1, NDJ-9S, NDJ-8S, NJD-5S, NDJ-1S

Introduction
Rotary digital display viscometer, controlled by microcontroller, is an intelligent instrument with data acquisition and processing.
It can be widely used to determine solvent-based adhesives, emulsions, biochemical products, paints, coatings, cosmetics, inks, paper pulp, starch, food, etc.
Function
- Easy to operate, with stable rotational speed and wide working voltage range.
- Adopting computerized full-range linear calibration, with high measurement accuracy.
- With auto searching function, which can automatically search for the rotor and rotational speed needed to measure unknown samples.
- With a memory function, which can save the parameters used before the instrument is turned off, so it is convenient for users to operate.
Specification
Model | RVDV-1 | DV-1 | NDJ-9S | DNJ-5S | DNJ-8S | NDJ-1S |
Range |
1-13 X 106mpa.s |
1-2×106mpa.s |
1-6×106mpa.s |
1-1×105mpa.s |
1-2×106mpa.s |
1-1×105mpa.s |
Rotor Spec | No.1, 2,3,4,5,6,7 | No.1, 2,3,4 | ||||
Speed | Speed: 0.3, 0.6, 1.5, 3, 6, 12, 30, 60 rpm, eight choices totally. Standard equipped rotors:No.1,No.2,No.3,No.4 | 0.3,0.6,1.5,3,6,12,30,60rpm/min | 0.1, 0.3, 0.6, 1.5, 3, 6, 12, 30, 60 rpm/min | 6, 12, 30, 60rpm/min | 0.3, 0.6, 1.5, 3, 6, 12, 30, 60rpm/min | 6, 12, 30, 60rpm/min |
Precision | ±1% (full scale range in use) | ±2% (newtonian liquid) | ±3% | ±2% (newtonian liquid) | ±5% | |
Work condition | 5℃-35℃ | temperature5℃-35℃, relative humidity≤80% |
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Rotary Viscometer
NDJ-1 , NDJ-4
NDJ-1

NDJ-4

Introduction
With variety of optional speed to meet the different measurement range, with universal rotation axis, easy to install, easy to operate
It’s widely used to measure the viscous resistance of various fluids such as grease, paint, food, drugs, adhesives, cosmetics, etc. with the absolute viscosity of the liquid.
Specification
Model | NDJ-1 | NDJ-4 |
Measurment range | 1-1×10(5)mpa.s | 1-2×10(6)mpa.s |
Measurement tolerance | ±5%(newtonian liquid) | |
Rotating speed of rotor | 6、12、30、60 circle/m | 0.3、0.6、1.5、3、6、12、30、60circle/m |
Rotor | Number0、1、2、3、4 (Rotor 0 is an optional ) | |
Net weight | 2kg | |
Outline dimension | 280mm×290mm×450mm | 300mm×300mm×450mm |
Out Package dimensions | 470mm×297mm×420mm |
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