The OPTIMASS 7400 is a Coriolis mass flow sensor with a single straight measuring tube, offered in titanium, stainless steel, Hastelloy or tantalum for demanding and corrosive applications. The straight tube drains easily, is simple to clean, and resists installation and process effects while offering excellent zero stability. With the MFC 400 converter it provides diagnostics and Entrained Gas Management.
Key specifications
- Measuring tube: Single straight tube: titanium, stainless steel, Hastelloy or tantalum
- Meter sizes and max flow: Sizes 06 to 80; 1,230 kg/h (06) up to 560,000 kg/h (80)
- Liquid mass flow accuracy: ±0.1% of actual measured flow rate + zero stability; repeatability better than 0.05%
- Gas mass flow accuracy: ±0.35% of actual measured flow rate + zero stability
- Density: 400-2500 kg/m3 range, ±2 kg/m3
- Process temperature: Titanium -40 to +150°C; stainless steel, Hastelloy, tantalum 0 to +100°C (extended to +130°C on some SS hygienic versions)
- Nominal pressure: Titanium -1 to 100 barg; SS/Hastelloy/tantalum -1 to 50 barg; optional PED secondary containment
- Connections: Flanged and hygienic (Tri-clamp, DIN 11851, DIN 11864-2, SMS, IDF/ISS)
- Approvals: CE/UKCA, cFMus Class I Div 1/Div 2, Ex markings, OIML R117-1; Modbus sensor version available
How to specify / order
- Process fluid, corrosiveness, solids content and density
- Flow range and required accuracy
- Operating pressure and temperature (determines tube material)
- Line size and flanged or hygienic connection type
- Compact, remote or Modbus version; outputs required
Pricing and lead time are quoted per configuration. Send the model, application details, product, flow range, and pressure/temperature to Flow Measurement Services for a quote. Specifications summarized from Guidant Measurement literature (OPTIMASS 7400); confirm current data with the factory before ordering.
Offered by Guidant Measurement (Smith Meter) through its brand partnership with KROHNE. Flow Measurement Services supplies and services Smith Meter equipment.

