Differential pressure Deltabar FMD77

Deltabar FMD77 differential pressure transmitter for precise liquid, gas, and vapor measurement

Product Overview :

The Deltabar FMD77 is a high-performance differential pressure transmitter designed for continuous level, volume, or mass measurement in liquids. Equipped with a metal sensor and diaphragm seal on one or both sides, it is ideal for complex applications across the process industry—particularly in environments requiring high accuracy and safety. The transmitter features a capillary on the low-pressure side and is suitable for installation in harsh temperature ranges.

Field of Application :

The FMD77 is engineered for use in tanks and vessels in industries such as chemical processing, oil & gas, food & beverage, and marine. It supports a wide range of process conditions and is certified for use in hazardous and safety-critical environments, including SIL3-rated systems.

Key Features & Benefits :

Supports level, volume, and mass measurements in liquids
Wide selection of process connections: threaded or flanged
Extreme temperature compatibility: -70°C to +400°C (-94°F to +752°F)
Wide measuring range: +100 mbar to +16 bar (+1.5 to +240 psi)
High accuracy of ±0.075%
Explosion-proof certifications, hygienic approvals, marine approvals, and WHG overfill prevention
Compliance with IEC 61508 standards for SIL2/3 safety applications
Advanced TempC Membrane reduces the impact of ambient and process temperature changes
Intuitive setup with a menu-guided display and support for HART, PROFIBUS PA, and FOUNDATION Fieldbus protocols
HistoROM technology ensures fast commissioning, reliable maintenance, and smart diagnostics
Modular design allows for quick replacement of sensor, display, or electronics—reducing downtime and cost
Seamless integration into existing systems across multiple industrial communication standards

With its robust design and comprehensive certifications, the Deltabar FMD77 delivers safety, precision, and reliability in even the most demanding process applications. Contact us today to learn more or to request technical specifications.