Programmable Touch-screen Viscometer (Rheometer)
Rotary viscometers are used commonly to measure the viscosity value (also called apparent viscosity) of Newtonian or Non-Newtonian materials under a special rotational speed and a special spindle. For high polymer materials such as coating, ink and adhesive, etc., almost all resin, emulsion, and the material itself are Non-Newtonian liquids. They always show different rheological properties under different shear rates (related to rotational speed and spindle shape). To compare these rheological properties of different materials, the normal method used in coatings and related materials is measuring its shear thinning (Thix index) and thixotropy. The extent of shear thinning is indicated by the drop in viscosity with increasing rotational speed. The degree of thixotropies is indicated by comparison of viscosities at increasing and decreasing rotational speeds, viscosity recovery, or viscosities before and after high shear. The high-shear treatment approximates shearing during paint application. The viscosity behavior measured after high shear is indicative of the characteristics of the paint soon after application.
Biuged offers some different types of Rheometers according to different material rheological properties. Operators can set different measuring programs according to their requirements (such as changing shear rate automatically) and using relevant professional software. The materials’ rheological properties could be analyzed and known well, including simulation of material under different applications.
Features:
- Display sample shear rate and shear stress
- Continuous viscosity testing and sound alarm when beyond measurement range
- 7-inch high-definition touch screen, easy to operate and display rich information. Powerful human-machine interface and various humanized operation menu for convenience.
- Anti-static shell and PC material lifting pole
- Build-in temperature probe RTD
- ARM chip processor: higher data processing speed
- New designed durable small axles
- Come with a gigabit Ethernet interface to transfer data, reliable and quick.
- Come with USB interface, support operation to save measurement through external disk U: single point, continuous, and timed saving options.
- Come with RS 232 interface, can print measuring data by mini-printer with less labor.
- Calibrated by the user; temperature and viscosity correction factor are protected by password, and can also be modified by the user when they have reliable and accurate data.
- Convert freely between various viscosity units; dynamic viscosity converts to kinematic viscosity automatically.
- Linear calibration by a computer.
- Use with AC power adapter 100V-240V, good anti-interference performance.
- Accompanied with detailed operation instructions.
- Professional BGD 1608 programmed analysis software for option; can display sample rheological curve.
Main Technical Parameters :
| Ordering Information → Parameters ↓ | BGD 157/S | BGD 158/S |
|---|---|---|
| Measurement Range (mPa·s) | BGD 157/S: 1–2M BGD 157/1S: 100–13M BGD 157/2S: 100–206M BGD 157/4S: 800–104M |
BGD 158/S: 1–6M BGD 158/1S: 100–40M BGD 158/2S: 200–60M BGD 158/4S: 800–320M |
| R.P.M (per min) | 0.1–250 | 0.1–250 |
| Rotor Amount | BGD 157/8(1): four rotors—No.1, No.2, No.3, No.4 (No.4 is optional) | BGD 158/2: BGD 158/7(3): six rotors—No.2, No.3, No.4, No.5, No.6, No.7 (No.4 and No.1 for option) |
| Measurement Accuracy | ±1.0% (of the full range) | ±1.0% (of the full range) |
| Repeatability | ±0.5% (of the full range) | ±0.5% (of the full range) |
| Power Supply | Power Supply Adapter (input 110/220V; 50/60Hz; output 15V, 1.2A) | Power Supply Adapter (input 110/220V; 50/60Hz; output 15V, 1.2A) |
Optical Accessories:
- BGD 1601 – Low viscosity adapter (No.0 rotor)
- BGD 1602 – Small sample adapter (comes with No.0 rotor, max. measurement range reduced to one-sixth)
- BGD 1603 – Mini single color printer
- BGD 1608 – Viscometer data collection and programmed analysis software
