Ultimate Precision, Ceramic Pioneer: The E+H Cerabar PMP71 Flange-Mount Absolute/Gauge Pressure Transmitter
2026-03-13
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Ultimate Precision, Ceramic Pioneer: The E+H Cerabar PMP71 Flange-Mount Absolute/Gauge Pressure Transmitter
In the process industry, the precise measurement of pressure and level often faces extreme challenges such as high temperature, high pressure, and strong corrosion. An instrument capable of maintaining performance under such demanding conditions is key to ensuring process safety and efficiency. Xi'an Xinyi Instrument Technology Co., Ltd. presents the E+H (Endress+Hauser) Cerabar PMP71 Absolute/Gauge Pressure Transmitter. This flagship product, with its Platinum accuracy up to 0.025%, wide range coverage up to 700 bar, and innovative corrosion-resistant ceramic diaphragm, and optional remote seal system for temperatures up to 400°C, sets a new benchmark for performance and reliability in critical pressure and level measurement applications across industries such as oil, chemicals, power generation, and pharmaceuticals.
Core Product Highlights: Ceramic Technology, Ultra-High Precision, Flexible Adaptation
Core Technology: Corrosion-resistant ceramic sensors, impervious to harsh conditionsThe core advantage of the PMP71 lies in its use of the Contite measuring element—a capacitive sensor made from high-purity ceramics. Compared to traditional metal diaphragms, ceramic sensors exhibit exceptional resistance to overload, corrosion, and wear. Their surfaces can directly contact corrosive media such as strong acids and alkalis without the need for a separating diaphragm, fundamentally eliminating the risk of filling liquid leakage and ensuring the highest integrity and long-term stability of measurements.
Unparalleled measurement performanceThanks to advanced sensor and signal processing technologies, the PMP71 delivers impressive performance metrics. Its standard accuracy reaches 0.05%, with an optional platinum-grade precision of 0.025%, meeting the most demanding measurement and control requirements. The range spans from 500Pa micro-pressure to 4MPa, and when paired with a diaphragm sealing system, it can extend up to 700bar, enabling flexible adaptation to various working conditions from vacuum to ultra-high pressure.
Intelligent Diagnosis and Convenient OperationThe transmitter supports advanced Heartbeat Technology, enabling online self-calibration and process anomaly monitoring. It verifies instrument health without interrupting the process flow, significantly enhancing plant reliability and maintenance efficiency. Additionally, an optional Bluetooth interface allows engineers to perform remote debugging, parameter configuration, and fault diagnostics via smartphones or tablets, revolutionizing traditional on-site operations. A clear backlight display changes from green to red during alarms, ensuring instant visibility.
Abundant options for remote transmission sealing systems
Compact diaphragm seal: Suitable for high-temperature applications or situations requiring flush connections.
Temperature isolator diaphragm seal: Protects sensors from extremely high temperatures (up to 400°C).
Diaphragm sealing with capillary tubes: enables long-distance separation between sensors and process measurement points.
Key Technical Parameters and Industrial Applications
Core parameters, defining flagship performance:
Parameter
Description
Model
E+HCerabar PMP71 Absolute Pressure/Pressure Transmitter.
Measurement types
absolute pressure, gauge pressure, liquid level.
Measurement range
0~500Pa to 0~4MPa (basic type); with diaphragm sealing, it can reach up to 700bar.
Accuracy Class
Standard ±0.05%; Optional ±0.025% (Platinum Grade).
Output signal
4-20mA superimposed with HART protocol.
Power supply
12~36VDC.
Process temperature
Standard type -40 to +85°C; with diaphragm sealing, it can reach up to +400°C.
Environmental temperature
-40°C to +85°C.
Protection Class
IP65.
Process connection
threaded, flanged, or direct mounting; liquid contact surface available in ceramic or metal.
Smart Features
Optional Bluetooth Debugging, Heartbeat Technology.
Warranty
2 years.
Extensively applicable to core industrial processes:
Petroleum and Chemical Industry: Monitoring of reactor pressure, distillation column pressure, tank liquid level, and pipeline pressure. Ceramic diaphragms can withstand highly corrosive media.
Power and Energy: Measurement of boiler drum pressure, feedwater system pressure, and steam turbine steam pressure, with optional diaphragm sealing for high-temperature conditions.
Pharmaceutical and Biotechnology: Monitoring of fermentation tank pressure, sterilizer cabinet pressure, and pharmaceutical water system pressure to meet hygiene and high-precision requirements.
Metallurgy and Papermaking: Measurement of blast furnace gas pressure, pulp level, and hydraulic system pressure.
Food and Beverage: Monitoring of tank liquid levels, pipeline pressure, and sterilization equipment pressure.
Regarding Xi'an Xin Yi and Comprehensive Support
Xi'an XinYi Instrument Technology Co., Ltd., as a professional industrial instrument supplier, is committed to delivering world-class brand products to domestic users. We guarantee that the E+H PMP71 pressure transmitter we supply is original and genuine, and provide comprehensive professional services ranging from product selection consultation and technical guidance to after-sales support.
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Single Flange Level Measurement, A New Paradigm of Wireless Intelligence: The Rosemount 3051L Level Transmitter
2026-03-13
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Single Flange Level Measurement, A New Paradigm of Wireless Intelligence: The Rosemount 3051L Level Transmitter
In the process industry, level measurement for storage tanks, columns, and reactors is a fundamental and critical task. Facing viscous, corrosive, or crystallizing media, traditional impulse piping methods are prone to clogging and freezing, leading to high maintenance costs and measurement errors. Xi'an Xinyi Instrument Technology Co., Ltd. presents the ideal solution to meet such challenges—the Rosemount 3051L Single Flange Level Transmitter. This product perfectly combines the legendary 3051 performance platform with a single flange remote seal system and optionally features WirelessHART communication technology, providing a solution that integrates high reliability,卓越accuracy, and installation flexibility for level measurement under various demanding conditions.
Core Product Highlights: Flange Remote Seal, Wireless Option,Performance
1. Single Flange Remote Seal Design, Confidently Handling Demanding MediaThe core of the 3051L is its single flange remote seal system. It connects the high-performance sensor to a flange with an isolating diaphragm via a capillary, allowing the transmitter body to be远离high-temperature, highly viscous, strongly corrosive, or crystallizing media. Only the corrosion-resistant isolating diaphragm (e.g., 316L stainless steel) contacts the medium. This design fundamentally eliminates the risk of impulse line clogging, freezing, or corrosion, significantly reducing maintenance workload and ensuring measurement continuity and reliability.
2. Optional Wireless Solution, Lower Cost and Flexible DeploymentFor new measurement points or remote areas, the 3051L can be optionally equipped with integrated WirelessHART communication technology. The wireless solution completely eliminates the complex construction and cost of laying cables, enabling the transmitter to be deployed and start transmitting data within hours. Its self-organizing wireless network ensures data reliability greater than 99%. Paired with a field-replaceable smart power module (with a battery life of up to 10 years), it truly achieves "install and forget, worry-free for a decade" wireless level monitoring.
3. Optimized Performance, Fast Response and Precision MeasurementWhen used in conjunction with Rosemount's Tuned System™ tuned components, the 3051L can further optimize overall performance. This system can reduce temperature and static pressure effects by 10-20% and shorten response time by more than 80%, making it particularly suitable for level control scenarios requiring high dynamic response. All components undergo pre-assembly, leak testing, and calibration at the factory, ensuring on-site installation ease and high system quality.
Key Technical Parameters and Industrial Applications
Core Parameters, Demonstrating Flagship Quality:
Model: Rosemount 3051L Single Flange Level Transmitter.
Measurement Types: Level, interface, density.
Output Signal: 4-20mA with HART protocol; optional WirelessHART.
Supply Voltage: 24 VDC (standard) / Wireless version powered by internal power module.
Wireless Features: WirelessHART protocol; Data reliability >99%; Power module life up to 10 years (field-replaceable).
Process Connection: Single flange (with remote seal system), connection size e.g., M20×1.5.
Wetted Material: Isolation diaphragm standard 316L stainless steel (Hastelloy, etc., optional).
Warranty: 2 years.
Redefining Level Measurement Under Demanding Conditions:
Petroleum & Chemical: Level measurement for crude oil/product tanks, acid/alkali storage tanks, polymerization reactors, columns – unaffected by viscous or corrosive media.
Food & Pharmaceutical: Hygienic level monitoring in fermenters, batching tanks, sterilizers – avoiding sanitary dead legs.
Power & Energy: Level measurement for fuel oil tanks, lubricating oil reservoirs, desulfurization tower slurry – handling high-temperature or crystallizing media.
Water Treatment & Environmental: Level monitoring in wastewater basins, chemical storage tanks, sludge tanks – reducing clogging maintenance.
About Xi'an Xinyi and Comprehensive Support
Xi'an Xinyi Instrument Technology Co., Ltd., as a professional industrial instrument supplier, is committed to bringing top global brand products to domestic users. We guarantee that all supplied Rosemount 3051L level transmitters are genuine original products and offer full-service professional support from solution design, selection consultation, and technical guidance to after-sales service.
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Single crystal silicon legend, new benchmark for precise pressure measurement: Yokogawa EJA510E/EJA530E absolute/gauge p
2026-03-11
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Single crystal silicon legend, new benchmark for precise pressure measurement: Yokogawa EJA510E/EJA530E absolute/gauge pressure transmitter
In the field of pressure measurement, Yokogawa Electric's EJA series has long been synonymous with stability, accuracy, and reliability. Its core single crystal silicon resonant sensor technology has provided countless excellent measurement data without drift and hysteresis for the global industry. Xi'an Xinyi Instrument Technology Co., Ltd. brings you the enhanced force series - Yokogawa EJA510E (absolute pressure) and EJA530E (gauge pressure) pressure transmitters. These two instruments inherit the legendary single crystal silicon technology lineage of the EJA series, setting a new performance benchmark for precise measurement of liquid, gas, or vapor pressure in industries such as petroleum, chemical, power, and pharmaceuticals with their high measurement accuracy of ± 0.055%, extraordinary stability of ± 0.1%/12 months, 100:1 range ratio, and powerful SIL 2 safety certification.
Core product highlights: monocrystalline silicon core, ultimate stability, intelligent security
1. Core technology: Monocrystalline silicon resonant sensor, ensuring precision from the source
The heart of EJA510E/530E is Yokogawa's proud monocrystalline silicon resonant sensor. Monocrystalline silicon, as an ideal elastic material, has an extremely uniform molecular structure and almost no hysteresis phenomenon under pressure and temperature changes. This fundamental material advantage enables sensors to minimize overvoltage impact, temperature fluctuations, and static pressure effects, providing unparalleled long-term stability and ensuring that the transmitter can output true and reliable signals throughout its entire lifecycle.
2. Excellent performance: high precision and wide range coverage
Thanks to advanced sensor and signal processing technology, the measurement accuracy of the EJA530E gauge pressure transmitter can reach ± 0.055%, while the EJA510E absolute pressure transmitter also has excellent accuracy of ± 0.2%. Its measurement range covers a wide area from 10kPa to 50MPa, which can flexibly meet various needs from micro pressure measurement to ultra-high pressure conditions. At the same time, the product has excellent 12-month long-term stability (± 0.1% range limit), significantly reducing the need for regular calibration and maintenance costs.
3. Intelligent Communication and Functional Safety
Both transmitters come standard with 4-20mA HART protocol digital communication and can be optionally equipped with multiple protocols such as BRAN, FOUNDATION fieldbus, PROFIBUS PA, etc., enabling seamless integration into various mainstream control systems. Its powerful self diagnostic function can monitor the status of the transmitter in real time. More importantly, the standard configuration of the EJA-E series has been certified and meets SIL 2 safety requirements, making it highly reliable for use in critical safety instrument function circuits such as emergency stop systems.
4. Compact design and rich materials
By integrating the amplifier ASIC, pressure unit structure, and flange into a micro design, the volume and weight of the transmitter are reduced by about 50% compared to traditional models, making installation more convenient. We offer a variety of isolation membrane materials such as stainless steel, Hastelloy, Monel, etc., tailored to the corrosiveness of different media. With a temperature range of -40 to 120 ℃, we ensure long-term stable operation under harsh working conditions.
Key technical parameters and industrial applications
Core parameters, defining flagship performance:
Model series:
Yokogawa EJA510E (absolute pressure transmitter)/EJA530E (gauge pressure transmitter).
Measurement types:
pressure of liquids, gases, and vapors.
Accuracy level:
EJA530E up to ± 0.055%; EJA510E is ± 0.2%.
Measurement range:
10kPa to 50MPa.
Long term stability:
± 0.1% upper range limit/12 months.
Output signal:
4-20mA HART protocol (optional BRAIN, FF, PA, etc.).
Safety certification:
Standard configuration meets SIL 2 requirements.
Medium temperature:
-40 ℃ to 120 ℃.
Environmental temperature:
-40 ℃ to 85 ℃.
Protection level:
IP65.
Wetting material:
The isolation membrane can be made of 316L stainless steel, Hastelloy C-276, Monel, etc.
Process connection:
Threaded connection is the main method.
Widely applicable to core industrial processes:
Oil and gas:
monitoring of oil and gas separator pressure, pipeline pressure, and wellhead casing pressure.
Chemical and Fine Chemical Engineering:
Control of Reactor Pressure, Distillation Tower Pressure, and Measurement of High Pressure Polymerization Reaction Pressure.
Electricity and energy:
monitoring of boiler drum pressure, feedwater system pressure, and turbine steam pressure.
Pharmaceutical and biotechnology:
monitoring of fermentation tank pressure, sterilization cabinet pressure, and clean gas pressure.
General Industry:
Measurement of compressor outlet pressure, hydraulic system pressure, and pump outlet pressure.
About Xi'an Xinyi and Comprehensive Support
As a professional industrial instrument supplier, Xi'an Xinyi Instrument Technology Co., Ltd. is committed to bringing top global brand products to domestic users. We ensure that the supplied Yokogawa EJA510E/530E pressure transmitters are original and genuine, and provide professional services throughout the entire process from selection consultation, technical guidance to after-sales support.
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Wireless Freedom, Breaking Boundaries: The Rosemount 3051S Wireless Coplanar Pressure Transmitter
2026-03-10
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Wireless Freedom, Breaking Boundaries: The Rosemount 3051S Wireless Coplanar Pressure Transmitter
In vast oil and gas fields, complex chemical plants, or remote long-distance pipelines, wiring new pressure, level, or flow measurement points often entails high construction costs, lengthy project cycles, and potential safety risks. Xi'an Xinyi Instrument Technology Co., Ltd. brings you a groundbreaking solution—the Rosemount 3051S Wireless Coplanar Pressure Transmitter. Thisinstrument from Emerson perfectly integrates legendary 3051 performance with WirelessHART communication technology. It inherits all the advantages of its predecessor, including 0.025%accuracy, 15-yearstability, and the modular coplanar platform. Furthermore, its wireless capability helps users reduce deployment time by 70% and lower installation costs by 40-60%. With a 10-year power module life, it achieves true "install and forget, worry-free for a decade" operation.
Core Product Highlights: Wireless, Precise, Extremely Reliable
Unleashing Full Potential: WirelessHART Technology The core value of the 3051S Wireless transmitter lies in its integrated, field-proven WirelessHART (IEC 62591) communication protocol. It builds a self-organizing, self-healing wireless mesh network where each transmitter acts as a node, intelligently routing signals to ensure extremely high data transmission reliability (>99%). This technology completely eliminates the need for expensive cabling, conduits, and junction boxes, making advanced measurement possible in hard-to-wire or hazardous areas (e.g.,跨河pipelines, rotating equipment, mobile tanks).
Continuing Legendary Performance: Top Accuracy and Ultra-Long Life Beneath the wireless exterior lies the renowned powerful core of the Rosemount 3051S Series. It utilizes capacitive sensor technology, delivering accuracy up to 0.025% of span, meeting the most demanding metering and control requirements. Equally impressive is its 15-year installed stability and 10-year power module life. This means after deployment, users can几乎eliminate on-site maintenance and battery replacement for nearly a decade, achieving true maintenance-free operation and significantly reducing lifecycle costs.
Platform-Based Design: Infinite Possibilities with the Coplanar Flange Based on Rosemount's iconic coplanar platform design, the 3051S Wireless transmitter seamlessly integrates with primary elements (e.g., orifice plates, Annubar flowmeters) or manifolds to easily build compact, efficient, and low-leakage flow and level measurement solutions. This modular design greatly simplifies procurement, installation, and maintenance processes, providing users with the flexibility to address various measurement needs.
Key Technical Parameters and Industrial Applications
Core Parameters, Forging an Industry Benchmark:
Model: Rosemount 3051S2CD Wireless Coplanar Pressure/Differential Pressure Transmitter.
Measurement Types: Pressure, differential pressure, flow, level.
Reference Accuracy: Up to ±0.025% of span.
Long-Term Stability: 15 years.
Wireless Protocol: WirelessHART (IEC 62591).
Power Module Life: 10 years (replaceable).
Output Signal: 4-20mA + HART (local).
Protection Rating: IP66/67.
Process Connection: Coplanar flange, supports standard connections like 1/2-14 NPT.
Body Material: 316L stainless steel.
Redefining Measurement in Remote and Harsh Environments:
Oil & Gas Industry: Remote wellhead pressure monitoring, oil pipeline leak detection, differential pressure level measurement in unmanned areas of offshore platforms – significantly reducing cabling costs and construction risks.
Chemical & Refining: Flexibly deploying wireless level and pressure monitoring points in tank farms, pipe racks, etc., for rapid process optimization and safety monitoring.
Power & Energy: Retrofittingmeasurement points in cooling water systems, fuel oil tanks, desulfurization towers with wireless technology to improve data acquisition efficiency.
Water Treatment & Environmental Protection: Overcoming obstacles like rivers and roads to achieve wireless monitoring of water intakes, drainage networks, and remote ponds.
About Xi'an Xinyi and Comprehensive Support
Xi'an Xinyi Instrument Technology Co., Ltd., as a professional industrial instrument supplier, is dedicated to bringing top global brand products to domestic users. We guarantee that all supplied Rosemount 3051S Wireless transmitters are genuine original products and offer full-service professional support from solution design, selection consultation, and technical guidance to after-sales maintenance.
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Core Inheriting Classics, Intelligence Leading the Future: The New Instrument XYM-3051 Monocrystalline Silicon Intellige
2026-03-10
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Core Inheriting Classics, Intelligence Leading the Future: The New Instrument XYM-3051 Monocrystalline Silicon Intelligent Pressure Transmitter
In the process industry, the pursuit of high precision, high stability, and high reliability in pressure measurement is an eternal theme. Xi'an Xinyi Instrument Technology Co., Ltd., leveraging its profound technical expertise, proudly introduces the XYM-3051 Series Monocrystalline Silicon Intelligent Pressure Transmitter. This product employs advanced monocrystalline silicon pressure sensor technology and temperature compensation processes. Combined with a unique center overload protection diaphragm design and built-in surge protection circuit, it accurately measures critical parameters such as gauge pressure, absolute pressure, differential pressure (functionality), flow, level, and density. With its accuracy up to 0.1% FS, wide media temperature range of -40°C to 110°C, Exd II CT6 Gb explosion-proof rating, and all-316L stainless steel construction, the XYM-3051 is the ideal choice for industries like petroleum, chemicals, power generation, and metallurgy to replace traditional instruments and enhance automation levels.
Core Product Highlights: Monocrystalline Silicon Core, Dual Protection, Intelligent and Reliable
1. High-Performance Monocrystalline Silicon Sensor, the Foundation of Precision and StabilityThe core of the XYM-3051 utilizes a highly stable monocrystalline silicon pressure sensor. Compared to traditional diffused silicon or ceramic sensors, monocrystalline silicon material offers excellent elastic characteristics and long-term stability with extremely low hysteresis and drift. Coupled with comprehensive temperature compensation technology, it effectively eliminates the impact of ambient temperature changes on measurement, ensuring the transmitter delivers accurate readings up to 0.1% FS even under complex conditions, with long-term stability better than ±0.1% FS/year.
2. Patented Dual Overload Protection Design, Confidently Handling Pressure ShocksAddressing common pressure peaks and pulsations in industrial settings, the XYM-3051 features an innovative center overload protection diaphragm structure. This structure effectively isolates and absorbs impact energy when one or both sides承受instantaneous high pressure, protecting the core sensor from damage. Combined with a static pressure limit of up to 25 MPa and強大的single-ended overload resistance, this greatly enhances the transmitter's survivability and long-term reliability in complex hydraulic and pneumatic systems.
3. Powerful Intelligence and User-Friendly InteractionThe transmitter supports standard 4-20mA output with HART protocol, enabling seamless integration with control systems and remote parameter setting and diagnostics. Equipped with an intelligent LCD display, it supports local zero and span adjustment and information viewing, making on-site operation intuitive and convenient. The entire series features a explosion-proof die-cast aluminum housing with IP65 protection and has obtained Exd II CT6 Gb explosion-proof certification, allowing safe use in hazardous areas like oil and gas fields and chemical plants.
4. Rich Material Options and Wide Media CompatibilityThe standard version uses 316L stainless steel for wetted parts. Depending on media corrosiveness, higher-performance diaphragm materials like Hastelloy C or Tantalum can be selected. Paired with Viton O-rings and silicone oil fill fluid, it confidently handles measurement needs for water, oil, gas, and various mildly corrosive chemical fluids.
Key Technical Parameters and Industrial Applications
Solid Parameters, Forging卓越Performance:
Model: XYM-3051 Monocrystalline Silicon Intelligent Pressure/Differential Pressure Transmitter.
Measurement Range: Covers -100kPa…0～0.1kPa…7MPa (Differential Pressure/Pressure).
Accuracy Class: Options: 0.1% FS, 0.2% FS, 0.5% FS.
Output Signal: 4-20mA with HART protocol.
Media Temperature: -40°C～110°C.
Ambient Temperature: -30°C～80°C (-30°C～70°C with LCD display).
Temperature Drift: Zero and span drift ≤ ±0.1% FS / 70°C.
Long-Term Stability: ≤ ±0.1% FS / year.
Explosion-proof Grade: Exd II CT6 Gb (Flameproof), Ex tDA21 T80℃.
Static Pressure Limit: ≤ 25 MPa.
Wetted Materials: 316L Stainless Steel (Hastelloy C, Tantalum optional).
Protection Rating: IP65.
Process Connection: Standard M20*1.5 electrical connection; various process flanges and threads available.
Widely Applied in Core Industrial Processes:
Oil & Gas: Wellhead pressure monitoring, oil pipeline pressure/flow, separator level control.
Chemical & Fine Chemical: Reactor pressure/level, distillation column differential pressure, pump discharge pressure monitoring.
Power & Energy: Boiler drum pressure, feedwater system pressure, turbine lube oil pressure monitoring.
Metallurgy & Papermaking: Blast furnace pressure, pulp level, hydraulic power unit pressure measurement.
General Industry: Process pressure and level control for air compressors, pumps, and water treatment equipment.
About Xi'an Xinyi and Comprehensive Support
Xi'an Xinyi Instrument Technology Co., Ltd., as a professional industrial instrument manufacturer, is committed to providing customers with cost-effective domestic IoT sensing solutions. The XYM-3051 Series transmitter is rigorously controlled from R&D to production. We offer full-service support from selection consultation and technical guidance to after-sales service, with a 1-year warranty.
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