This instrument is completely designed and manufactured in accordance with the standard GB/T 11145 “Determination of Low-Temperature Viscosity of Lubricants – Brookfield Viscometer Method”. It is suitable for testing vehicle fluid lubricants with a viscosity range of 1000 to 1000000 mPa·s, such as gear oil, hydraulic transmission oil, industrial and automotive hydraulic oil. The instrument adopts a special rotational viscometer, featuring convenient operation and high precision.

Main Features：

1. Adopting advanced compression mechanism cold technology, the controlled temperature can reach -50℃, and the temperature control accuracy is ±0.1℃.

2. A fluorescent lighting device is installed on the upper part of the glass observation window, making the scale of the capillary viscometer in the constant temperature bath clearer and the reading more convenient.

3. Two samples can be installed for testing at the same time, with high work efficiency.

4. Adopting a floor-standing and all-in-one machine design, the instrument has good integrity and is easy to move.

5. An electric stirring device is used, so the temperature in the bathtub is uniform.

Main technical indicators：

1. Display mode: Colorful Chinese-English touch screen display

2. Heating device: Electric heater with a power of 600W.

3. Refrigeration device: Dual-compressor refrigeration.

4. Stirring motor: Power 6W, rotation speed 1200r/min.

5. Temperature measurement range: Room temperature ～ -50℃.

6. Temperature control accuracy: ±0.1℃.

7. Operating environment: Ambient temperature ≤30℃, relative humidity ≤85％.

10. Temperature sensor: Industrial platinum resistor with a indexing number of Pt100.

11. Lighting: 6W/220V fluorescent lamp

12. Working power supply: AC 220V±10%, 50Hz.

13. Power consumption of the whole machine: not more than 1700W.