Introduction
The Deltabar PMD50 is a high-precision differential pressure transmitter with a metal membrane, engineered for accurate measurement of differential pressure, level, and flow in liquids and gases across standard industrial applications. Certified to IEC 61508, SIL, and multiple international explosion-proof standards, it supports 4…20 mA HART communication, an intuitive software commissioning wizard, and pre-assembled pressure/leakage-tested manifolds, enabling fast installation, simplified maintenance, and reliable operation in harsh industrial environments.
Specification
| Parameter | Exact Specification |
|---|---|
| Measuring Principle | Differential pressure |
| Max. Measuring Range | 40 bar (600 psi) |
| Reference Accuracy (Platinum) | Up to ±0.055% |
| Process Temperature | -40°C…+110°C (-40°F…+230°F) |
| Max. Overpressure Limit | 375 bar (5625 psi) |
| Long-term Stability (10 Years) | 0.25% of URL |
| Communication Protocol | 4…20 mA HART |
| Explosion-Proof & Safety Certifications | ATEX, FM, IECEx, JPN Ex, INMETRO, NEPSI, SIL |
| Measuring Cell Range | 100 mbar…40 bar (1.45 psi…580 psi) |
| Ambient Temperature Range | -40°C…+85°C (-40°F…+185°F) |
Key Advantages
Multi-Parameter Versatility: Measures differential pressure, level, and flow in both liquids and gases, eliminating the need for multiple dedicated sensors.
Ultra-High Precision & Stability: Platinum-class accuracy up to ±0.055% with minimal drift (0.1% URL/year) ensures consistent, reliable measurements over decades.
Wide Range & Overpressure Protection: Covers 100 mbar to 40 bar with a 375 bar overpressure limit, offering robust protection against unexpected pressure spikes.
Full Safety & Compliance: SIL-certified with ATEX, FM, and IECEx approvals, meeting NACE MR0103/0175 standards for use in hazardous and corrosive industrial environments.
Fast Commissioning & Easy Maintenance: Intuitive software wizard + local zero/span buttons enable quick setup, while pre-tested manifolds and RFID tags simplify installation and device identification.