INDUSTRY COMPONENT

Pressure Sensors

Pressure sensors measure fluid pressure in automated chemical filtration systems to ensure process control and safety.

Component Specifications

Definition
Pressure sensors are precision instruments that convert applied pressure into an electrical signal, typically using piezoresistive, capacitive, or strain gauge technologies. In automated chemical filtration and separation systems, they monitor pressure differentials across filters, detect blockages, ensure proper pump operation, and maintain system integrity by providing real-time data to control systems.
Working Principle
Pressure sensors operate by detecting mechanical deformation caused by fluid pressure. Common principles include: 1) Piezoresistive: Pressure causes strain in a diaphragm, changing resistance in embedded strain gauges. 2) Capacitive: Pressure changes the distance between capacitor plates, altering capacitance. 3) Strain gauge: Pressure-induced strain changes electrical resistance in bonded or thin-film strain elements. The resulting electrical signal is amplified and converted to standardized outputs (4-20mA, 0-10V, digital protocols).
Materials
Materials must be chemically compatible with process fluids. Common specifications: Sensing diaphragm: 316L stainless steel, Hastelloy C-276, Monel, Tantalum. Housing: 316 stainless steel, aluminum alloy with chemical-resistant coatings. Seals: FKM (Viton), EPDM, PTFE. Electronics: Epoxy-encapsulated PCBs with conformal coating for moisture/chemical protection.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Accuracy±0.25% to ±0.5% FS
IP RatingIP67/IP69K
Output Signal4-20mA, 0-10V, HART, Profibus PA, Foundation Fieldbus
Response Time<10 ms
Pressure Range0-10 bar to 0-400 bar
Media Temperature-20°C to +125°C
Process ConnectionG1/2, 1/2" NPT, Tri-Clamp
Explosion ProtectionATEX, IECEx Zone 1/21

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards
ISO 5167, IEC 60770, DIN EN 60529, ASME B40.100

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Chemical corrosion damaging sensing elements
  • Overpressure causing diaphragm rupture
  • Electrical interference in signal transmission
  • Seal degradation leading to leaks
  • Incorrect installation causing measurement errors
FMEA Triads
Trigger: Chemical attack on diaphragm material
Failure: Sensor drift or complete failure, leading to inaccurate pressure readings
Mitigation: Select chemically compatible materials; implement regular inspection and preventive replacement schedules
Trigger: Water ingress due to damaged housing or seals
Failure: Short circuit in electronics, signal loss
Mitigation: Use IP67/IP69K rated sensors; inspect seals during maintenance; ensure proper installation torque
Trigger: Vibration from pumps or machinery
Failure: Mechanical fatigue, loose connections, signal noise
Mitigation: Install with vibration-dampening mounts; use rigid piping supports; select sensors with robust mechanical design

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
Accuracy tolerance ±0.25% to ±0.5% of full scale; hysteresis <0.1% FS; repeatability <0.05% FS
Test Method
Performance tested per IEC 60770: Deadweight tester calibration; temperature cycling (-20°C to +125°C); long-term stability test (1000 hours); chemical resistance immersion test; IP rating water/dust ingress test per DIN EN 60529

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Pressure Sensors

10 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

FBelec
Dongguan, Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Hefei Brans Measuring And Controlling Technology Co., Ltd.
Shanghai, CN
Listed on the company's own website · profile compiled by CNFX from public sources
MacSensor
Hunan, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Nanjing Wotian Technology Co., Ltd.
Beijing, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Sendo Sensor
Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Shandong Renke Control Technology Co., Ltd.
Shandong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Shanghai Ziasiot Technology
Shanghai, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Sino-Inst
Shanxi, CN
Also makes: Level Transmitter, Paddle Wheel, Flow Meter and 2 more
Listed on the company's own website · profile compiled by CNFX from public sources
Xiaogan Yueneng Electronic Technology Co., Ltd.
Fujian, CN
Listed on the company's own website · profile compiled by CNFX from public sources
ZheJiang Jixiang Automobile Parts Co., Ltd.
Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Related Components

Back Pressure Regulator
A back pressure regulator is a precision valve that maintains constant upstream pressure in continuous flow reactor systems by controlling downstream pressure.
Fume Extraction Hood
A fume extraction hood is a critical safety component that captures and removes hazardous chemical vapors, fumes, and particulates generated during automated chemical drum filling and sealing operations.
RTD Temperature Sensor
High-precision platinum-based temperature sensor for industrial chemical heating systems
Safety Enclosure & Ventilation
Safety enclosure and ventilation system for automated chemical storage and retrieval systems, designed to contain hazardous materials and maintain safe air quality.

Frequently Asked Questions

How do pressure sensors prevent filter damage in chemical systems?

Pressure sensors monitor differential pressure across filters. When pressure exceeds setpoints (indicating clogging), they trigger alarms or automatic backwash cycles, preventing rupture, reduced efficiency, or chemical bypass.

What materials are best for corrosive chemical applications?

For highly corrosive media (acids, chlorides), use sensors with Hastelloy C-276 or Tantalum diaphragms and PTFE seals. 316L stainless steel suffices for moderate chemicals. Always verify chemical compatibility charts.

How are pressure sensors calibrated in automated systems?

Calibration involves applying known pressures (deadweight tester or precision calibrator) and adjusting zero and span via HART communicator or control system. ISO 9001 requires periodic calibration (typically annually) with traceable standards.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Request Manufacturing Insight for Pressure Sensors

Thank you. Your request has been sent. We'll respond within 1–3 business days.
Sorry, we couldn't send your message. Please try again, or email us at contact@cnfx.com.
Tube Sheets / Headers
Get QuotesChat