Sensitive Element: Frequency Range 0-20 kHz, Linearity ±0.5% FS

Component Specifications

Definition

In industrial engineering, a sensitive element refers to the core sensing component within receivers or detectors that responds to specific physical, chemical, or environmental stimuli (such as pressure, temperature, vibration, or electromagnetic radiation). This element transduces these stimuli into electrical signals that can be processed by control systems for monitoring, measurement, or automation purposes. It serves as the primary interface between the physical environment and electronic control systems in industrial machinery.

Working Principle

The sensitive element operates on transduction principles where physical phenomena (mechanical, thermal, optical, or chemical) cause changes in the element's properties (resistance, capacitance, voltage, or frequency). These changes are converted into proportional electrical signals through piezoelectric, piezoresistive, capacitive, inductive, or photoelectric mechanisms, depending on the specific application and sensor type.

Materials

Typically made from specialized materials including piezoelectric ceramics (PZT), silicon with piezoresistive doping, platinum resistance elements, semiconductor compounds (InSb, HgCdTe for infrared), or polymer-based sensing films. Materials are selected based on sensitivity, temperature range, durability, and environmental resistance requirements.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Linearity	±0.5% FS
Hysteresis	≤0.3% FS
Sensitivity	0.1-100 mV/unit
Output Signal	Analog 4-20 mA, 0-10V or digital protocols
Response Time	1-100 ms
Frequency Range	0-20 kHz
Operating Temperature	-40°C to 150°C

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 16063-21, IEC 60751, DIN EN 61298

Parent Products

This component is used in the following industrial products

Receiver/Detector

A component within a sensor system that receives and detects signals or stimuli from the environment.

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Engineering Analysis

Risks & Mitigation

Signal drift over time
Environmental contamination
Mechanical damage from overload
Temperature coefficient errors
Electromagnetic interference

FMEA Triads

Trigger: Material fatigue or aging
Failure: Reduced sensitivity or complete signal loss
Mitigation: Regular calibration, preventive replacement schedules, use of higher-grade materials

Trigger: Environmental exposure to contaminants
Failure: Signal distortion or false readings
Mitigation: Proper sealing, protective coatings, environmental monitoring

Trigger: Electrical overload or surge
Failure: Permanent damage to transduction properties
Mitigation: Surge protection circuits, proper grounding, voltage regulation

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.25% of full scale for standard applications, ±0.1% for precision applications

Test Method

Calibration against traceable standards, environmental stress testing, long-term stability testing, EMI/RFI susceptibility testing

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

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Manufacturers of Sensitive Element

Manufacturer profiles associated with Sensitive Element.

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Frequently Asked Questions

What is the main function of a sensitive element in industrial equipment?

The primary function is to detect and convert physical parameters (like pressure, temperature, or vibration) into electrical signals that can be processed by control systems for monitoring, regulation, or safety purposes.

How do sensitive elements differ from regular sensors?

Sensitive elements are the core transduction components within complete sensor assemblies, while sensors typically include additional elements like signal conditioning, housing, and connectors. The sensitive element is specifically the part that directly interacts with the measured phenomenon.

What factors affect sensitive element selection?

Key factors include measurement range, accuracy requirements, environmental conditions (temperature, humidity, chemicals), response time, compatibility with existing systems, and industry-specific standards compliance.

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.

Sensitive Element