1. RFND-50A online micro-vibration viscometer--- small range viscometer online viscometer, range 0~50~100mpa.s.
Mainly used in the field of solvents, light oils, alcohols, cleaning fluids, low viscosity silicone oils, oils, emulsion hydraulic cracking fluids, low viscosity polymers, starch gums, milk beverages.

2. RFND-50B online micro-vibration viscometer--- medium-range viscosity online viscometer, ranging from 0-100~5000mpa.s.
Viscosity in this area is widely used, covering various fields, silicone oils, resins, optical fibers, inks, plastics, asphalt, lubricating oils, and fine chemicals in various viscosity segments.

3. RFND-50G online micro-vibration viscometer--- large range viscometer online viscometer, measuring range 0-5~50-5000pa.s.
It is used in high-viscosity silicone oil, silicone grease, polyamine resin, and hot melt adhesive.

4. RFND-50Y medium and long online micro-vibration viscometer, with a range of 0---10~10000000mpa.s, is used for full-range viscosity measurement when the medium temperature is L=500~2000mm.

5. RFND-50G2 online micro-vibration viscometer--- high-range viscosity online viscometer, measuring range 0-500~10000pa·s.
It is used in high-viscosity silicone oil, silicone grease, resin, and hot melt adhesive.

6. RFND-50M marine online micro-vibration viscometer, measuring range 0-50~100mpa.s.
The online viscometer developed for ships can also be applied to devices with viscosity of 0~3000MPa.s and relatively small installation locations.


The back cover of the display head is open to identify the terminal strip as an 8P slot, starting from the left
| port | color | port | color |
| 24V DC power supply+ | red | Temperature 4-20mA+ | white |
| 24V DC Power Supply- | green | Temperature: 4-20mA- | black |
| 485 communication interface + | yellow | Viscosity 4-20mA+ | palm tree |
| 485 Communication Interface- | blue | Viscosity 4-20mA- | ash |




