PMD75 Level Transmitter by Endress+Hauser – Reliable Monitoring for Liquids, Gases, and Steam
PMD75 Level Transmitter by Endress+Hauser – Reliable Monitoring for Liquids, Gases, and Steam
Product overview:
Endress+Hauser PMD75 Level Transmitter The PMD75 is a high-performance differential pressure level transmitter designed for precise and reliable measurement of liquids, gases, and steam in demanding industrial environments. Engineered with robust stainless-steel construction and advanced sensor technology, it ensures long-term stability, safety, and accuracy even under extreme process conditions.
Key benefits include:
- High Accuracy & Stability – Delivers consistent measurement results for critical process control.
- Versatile Applications – Suitable for liquids, gases, and steam across industries such as oil & gas, chemical, power, and water treatment.
- Robust Design – Resistant to harsh environments, ensuring durability and reduced maintenance.
- Easy Integration – Compatible with modern process automation systems for seamless operation.
The PMD75 combines Endress+Hauser’s trusted engineering with innovative technology, making it the ideal choice for industries that demand precision, reliability, and efficiency.
| Parameter | Deltabar PMD55 | Deltabar PMD70 | Deltabar PMD75 | Deltabar PMD75 (High Temp) |
|---|---|---|---|---|
| Sensor Type | Piezoresistive sensor with metallic diaphragm | Piezoresistive sensor with remote diaphragm seal | Piezoresistive sensor with welded metallic membrane | Same as PMD75 with extended diaphragm materials |
| Measuring Range | Up to 16 bar (232 psi) | Up to 25 bar (360 psi) | Up to 40 bar (600 psi) | Up to 40 bar (600 psi) |
| Accuracy | ±0.1% of span | ±0.075% of span | ±0.075% of span | ±0.075% of span |
| Process Temperature | –40 to +100 °C (–40 to +212 °F) | –40 to +150 °C (–40 to +302 °F) | –40 to +125 °C (–40 to +257 °F) | –40 to +400 °C (–40 to +752 °F) with remote seals |
| Process Pressure | Up to 160 bar (2320 psi) | Up to 160 bar (2320 psi) | Up to 160 bar (2320 psi) | Up to 160 bar (2320 psi) |
| Key Features | Compact design, cost-effective, basic functions | Remote seal for aggressive or hot media, SIL2/3 capable | SIL2/3 certified, HistoROM data module, 3-key local operation | Designed for extreme process conditions |
| Applications | General-purpose level and differential pressure monitoring | Chemical, oil & gas, high-temp or corrosive media | Level, volume, mass measurement in liquids, vapors, gases; flow measurement with primary elements | Steam boilers, high-temp chemical processes |
Applications of Endress+Hauser Deltabar Differential Pressure Level Transmitters
PMD75
- Level Measurement: Accurate monitoring of liquid levels in pressurized and non-pressurized tanks.
- Flow Measurement: Differential pressure across primary elements (e.g., orifice plates, Venturi tubes).
- Steam Applications: Reliable in boiler drum level measurement and steam distribution systems.
- Process Industries: Oil & gas, chemical, power generation, and water treatment.
PMD55
- General Purpose: Cost-effective solution for standard level and differential pressure monitoring.
- Utility Systems: Water supply, storage tanks, and auxiliary process vessels.
- Industrial Services: Compressed air, inert gases, and non-critical liquid applications.
PMD70
- Aggressive Media: With remote diaphragm seals, suitable for corrosive or contaminated fluids.
- High-Temperature Processes: Chemical reactors, distillation columns, and hot oil systems.
- Oil & Gas: Separation units, refining processes, and offshore platforms.
PMD75 (High Temp Variant)
- Extreme Temperature: Steam boilers, superheated steam lines, and high-temp chemical processes.
- Heavy Industry: Power plants, petrochemical furnaces, and metallurgy.
- Safety-Critical Systems: SIL2/3 certified for use in safety instrumented functions.
Frequently Asked Questions (FAQ)
1. What is the PMD75 Level Transmitter used for?
The PMD75 is a differential pressure transmitter designed for accurate level, volume, and mass measurement in liquids, gases, and steam. It is widely used in industries such as oil & gas, chemical, power generation, and water treatment.
2. How does the PMD75 measure the level?
It measures the pressure difference between two points (e.g., the bottom and top of a tank). This differential pressure is converted into a level or volume reading, ensuring precise monitoring even under varying process conditions.
3. What is the accuracy of the PMD75?
The PMD75 offers ±0.075% of span accuracy, making it suitable for critical process control and safety applications.
4. Can the PMD75 handle high temperatures and pressures?
Yes. The standard PMD75 supports up to 125 °C (257 °F) process temperature and 160 bar (2320 psi) pressure. For extreme conditions, the high-temperature variant with remote seals can handle up to 400 °C (752 °F).
5. What communication protocols are available?
The PMD75 supports HART, PROFIBUS PA, and FOUNDATION Fieldbus, ensuring seamless integration into modern process automation systems.
6. Is the PMD75 suitable for safety-critical applications?
Yes. The PMD75 is SIL2/3 certified according to IEC 61508, making it reliable for use in safety instrumented systems (SIS).
7. What are the main differences between PMD55, PMD70, and PMD75?
- PMD55 → Cost-effective, general-purpose differential pressure transmitter.
- PMD70 → Designed with remote diaphragm seals for aggressive or hot media.
- PMD75 → High-accuracy, robust design for critical industrial processes.
- PMD75 High Temp → Optimized for extreme temperature and pressure conditions.
8. How easy is it to install and maintain?
The PMD75 features 3-key local operation, a modular design, and HistoROM data storage, which simplifies installation, commissioning, and maintenance.
9. What industries benefit most from the PMD75?
- Oil & Gas → Separation units, refining, and storage tanks
- Chemical → Reactors, distillation, and corrosive media
- Power Generation → Boiler drum level, steam lines
- Water & Wastewater → Reservoirs, treatment plants
10. Where can I get technical support or spare parts?
Endress+Hauser provides global service and support, including calibration, spare parts, and on-site assistance. Local representatives can be contacted through the official Endress+Hauser website.
Good Service
We offer high-quality, fast delivery, and competitive prices for Transmitters.
- Please send your RFQ to get the latest price.
- We will ship within 3–5 working days after receiving payment.
- Flexible shipping options: UPS / DHL / EMS / FedEx – we will use your preferred method.
- Large stock available with variable pricing – ensuring you always get a good deal.
- For specific prices, please contact us directly.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.