Products Description
The E+H Deltabar PMD55B is a high-precision differential pressure transmitter specifically designed for level, flow, and differential pressure measurement. Utilizing ceramic capacitive sensor technology combined with a dual-chamber isolation structure, it provides stable and reliable measurement solutions for demanding applications in industries such as chemical, petroleum, and power generation. Recognized in the industrial automation field for its excellent accuracy, robust overpressure resistance, and intelligent diagnostic capabilities.
Core Technical Features
|
Feature |
Detailed Description |
|
Ceramic Capacitive Sensor |
High-performance ceramic measuring diaphragm with excellent chemical stability and mechanical strength ensures long-term measurement stability |
|
Dual-Chamber Isolation Design |
Fully symmetrical structure on both sides of the measuring diaphragm provides true bidirectional overpressure protection (up to 40MPa maximum) |
|
High-Precision |
Measurement Basic accuracy up to ±0.1%, meeting requirements for high-precision process control |
|
Intelligent Diagnostic Technology |
Integrated Heartbeat Technology supporting online self-diagnostics, predictive maintenance, and instrument status verification |
|
Wide Temperature Range Adaptability |
Operating temperature range -40℃ to +100℃, suitable for extreme environmental conditions |
|
Multiple Output Protocols |
Supports 4～20mA HART, PROFIBUS PA, FOUNDATION Fieldbus, and WirelessHART communication |
|
Flexible Installation Methods |
Various installation options including flange mounting and bracket mounting to adapt to different field requirements |
|
High Protection Rating |
Enclosure protection rating IP66/67 ensures reliable operation in harsh environments such as wet, dusty conditions |
Technical Specifications
|
Parameter Category |
Detailed Specifications |
|
Measuring Range |
0～40kPa to 0～40MPa |
|
Accuracy Class |
±0.1% (standard) |
|
Long-term Stability |
≤±0.1%/year |
|
Process Temperature |
-40℃ to +100℃ |
|
Ambient Temperature |
-40℃ to +85℃ |
|
Process Connection |
1/2" NPT, G1/2, Flange, etc. |
|
Supply Voltage |
10.5～45V DC (2-wire) |
|
Output Signal |
4～20mA HART/Profibus PA/FF |
|
Protection Rating |
IP66/67, NEMA 4X |
|
Explosion Protection |
ATEX, IECEx, FM, CSA |
|
SIL Certification |
SIL 2/3 (Safety Integrity Level) |
Industry Application Advantages
1. High Reliability and Safety
· Ceramic sensor never fatigues, no drift risk
· Bidirectional overpressure protection prevents accidental damage
· Complies with SIL 2/3 safety standards, suitable for Safety Instrumented Systems
2. Reduced Operating Costs
· Long calibration intervals (up to 10 years maximum) reduce maintenance costs
· Predictive maintenance function avoids unplanned downtime
· Modular design reduces spare parts inventory costs
3. Simple Installation and Commissioning
· Integrated design reduces installation space requirements
· Local operator interface simplifies parameter setup
· Multiple installation methods adapt to complex working conditions
4. Intelligent Management
· Real-time device status monitoring
· Remote diagnostics and parameter configuration
· Seamless integration with asset management systems
Suitable Application Scenarios
Chemical and Petrochemical Industry
· Level measurement in reactors and distillation columns
· Level monitoring of corrosive media storage tanks
· Differential pressure measurement of steam and gas flow
· Pressure monitoring of high-pressure reactors
Power and Energy Sector
· Precise boiler drum water level measurement
· Condenser vacuum monitoring
· Differential pressure detection in flue gas desulfurization systems
· Gas turbine intake flow control
Water Treatment and Environmental Protection
· Wastewater treatment pond level monitoring
· Filter differential pressure alarm
· Pump performance testing
· Open channel flow measurement
Pharmaceutical and Food Industry
· Fermenter level control
· Hygienic process measurement
· CIP system validation
· Sterile container pressure monitoring
Oil and Gas Industry
· Oil/gas separator interface detection
· Pipeline flow metering
· Storage tank inventory management
· Compressor performance monitoring
Configuration and Selection
Basic Selection Factors
1. Measuring Range: Select appropriate range based on actual differential pressure requirements
2. Process Connection: Choose thread or flange specifications based on pipeline interface
3. Output Protocol: Select communication method based on control system requirements
4. Material Requirements: Select diaphragm and wetted part materials based on media corrosiveness
5. Certification Requirements: Choose appropriate explosion-proof certification based on installation area
Optional Configurations
· With/without local display unit
· Different accuracy class options
· Special process connection forms
· Customized output functions
Keywords
1. Differential Pressure Transmitter
2. Ceramic Capacitive Sensor
3. E+H PMD55B
4. High-Precision Level Measurement
5. Bidirectional Overpressure Protection Design
6. Chemical Process Instrumentation
7. Intelligent Diagnostic Transmitter
8. HART Communication Transmitter
9. Safety Instrumented System
10. Industrial Automation Measurement
Hot Tags: e+h deltabar pmd55b differential pressure transmitter product details, China e+h deltabar pmd55b differential pressure transmitter product details suppliers, factory, high temp pressure transmitter, piezoresistive pressure sensors, air pressure transmitter, low cost differential pressure transducer, iot pressure transmitter, water pressure transmitter
