| Size envelope | DN10–DN300 |
|---|---|
| Output options | 4–20 mA / HART / fieldbus / Ethernet variants |

Marine Flow Meters
Compare flow-meter references by measurement principle and documented media range.
Serial numbers require manual identification. Send the serial number and a nameplate photo to our team; this is not an online serial-number lookup.
Brands
Brand references relate to this product category, not confirmed supply agreements. Availability and compatibility require confirmation. Send the exact equipment, model and part details through the enquiry form.
Models
| Brand | Model / Reference | Equipment | Action |
|---|---|---|---|
| KROHNE | Series | Marine Flow Meters | |
| Endress+Hauser | Series | Coriolis flowmeter |
Technical Data
Product references Reference data for this product category. Confirm the exact model, configuration and availability when enquiring.
OPTIMASS 6400
Marine Flow Meters| Brand | KROHNE |
|---|---|
| Series | OPTIMASS |
| Series / Range | OPTIMASS 6400 |
| Equipment type | Marine Flow Meters |
| Technology | Coriolis mass flow |
| Size envelope | DN10–DN300 |
| Temperature envelope | −200 to 400 °C |
| Pressure options | Up to PN160 / ASME Class 1500 |
| Accuracy option | ±0.05% |
| Output options | 4–20 mA / HART / fieldbus / Ethernet variants |
| Applications | Marine/Oil & Gas /Power Plant/Chemical Plant/Industrial Maintenance |
Upper limits and accuracy options depend on selected sensor size, material and calibration; they are not all one standard build.
Configuration & Matching
| Equipment / product | Marine Flow Meters |
|---|---|
| Applications | Marine/Oil & Gas /Power Plant/Chemical Plant/Industrial Maintenance |
| Matching basis | Model, serial number and installation drawing |
Spare Parts
OPTIMASS 6400 C compact / 6400 F remote combinations in this revision. Match serial number, sensor size/material, converter power, I/O and approvals.Provide the equipment model, a nameplate photo or an existing part number. We will help identify the required parts.
| Component | Enquiry |
|---|---|
| Coriolis flow sensor | |
| Signal converter |

