The OPTISOUND 3020 is a 2- or 4-wire ultrasonic level transmitter for basic applications. It is particularly suitable for use in small and medium-sized tanks up to 8 m / 26.3 ft. The level transmitter measures rainwater and wastewater, liquids with a high degree of contamination, corrosive liquids or solids.
Product features and options depend on device configuration: Contact us to make sure that your preferred functionality can be combined in one device.
Depending on selected device configuration
| Product type | Level transmitter |
| Product family name | OPTISOUND |
| Product positioning | For basic applications |
| Product variants | OPTISOUND 3020 C: Compact housing |
| Measurement variables | Level |
| Measurement principle | Ultrasonic |
| Level measurement type | Continuous measurement |
| Contact to measured medium | No |
| Interface measurement | No |
| Redundancy | No |
| Measured media | Liquids, Slurries, Pastes, Solids, Bulk solids, Granulates, Powders |
| Measuring range (liquids) |
0.4…8 m/ 1.3…26.2 ft |
| Measuring range (solids) |
0.4…3.5 m/ 1.3…11.5 ft |
| Measuring point | Open tank, Open basin, Open channel, Stockpile, Conveyor belt |
| Process pressure |
-0.2…2 barg/ -2.9…29 psig |
| Process temperature |
-40…+80°C/ -40…+176°F |
| Gaskets | Ethylene propylene diene monomer (EPDM), Fluoroelastomer rubber (FKM/FPM), Kalrez® 6375, PFA |
| Wetted parts | Polyvinylidene fluoride (PVDF) |
| Thread connections |
Male: G2 2 NPT |
| Certificates/Approvals Others | EAC |
| Certificates/Approvals Ex | ATEX |
| Ingress protection | IP66/67, NEMA4/4X/6 |
| Analogue outputs | 4…20 mA |
| Digital outputs | HART® |
| Accuracy (liquids) |
±6 mm/ ±0.24 in |
| Accuracy (solids) |
±6 mm/ ±0.24 in |
