Protective Housing / Sheath: Temperature Range -40°C to +85°C

Component Specifications

Definition

A protective enclosure designed to shield sensitive pickup or sensor head components from environmental hazards, mechanical damage, and electromagnetic interference while maintaining operational integrity in industrial settings. It provides physical protection, environmental sealing, and sometimes thermal management for precision sensing equipment.

Working Principle

Acts as a barrier between the sensor head and external environment, using structural design to absorb impacts, sealing mechanisms to prevent ingress of contaminants, and material properties to shield against interference while allowing necessary signal transmission through designated apertures or transparent sections.

Materials

Typically made from engineering plastics (POM, PEEK, polycarbonate), aluminum alloys (6061-T6, 7075), or stainless steel (304, 316) with IP67/IP69K rated seals, EMI/RFI shielding coatings, and optional transparent windows using polycarbonate or borosilicate glass.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Weight	0.2-2.5kg depending on size/material
EMI Shielding	≥30dB
Mounting Type	Flange, bracket, or direct thread
Impact Resistance	IK08
Protection Rating	IP67/IP69K
Temperature Range	-40°C to +85°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 13857, ISO 14120, DIN EN 60529, IEC 61000-6-2

Parent Products

This component is used in the following industrial products

Pickup / Sensor Head

The detection element of a reference flow sensor that directly interfaces with the fluid or medium to measure flow parameters.

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Sensor Head

The front-end sensing element of a sensor unit that directly interacts with the measured environment or object.

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Engineering Analysis

Risks & Mitigation

Material degradation from chemical exposure
Seal failure due to thermal cycling
EMI shielding compromise from physical damage
Improper installation causing sensor misalignment
Condensation buildup in temperature variations

FMEA Triads

Trigger: Seal material degradation from chemical exposure
Failure: Contaminant ingress leading to sensor malfunction
Mitigation: Use chemically resistant seal materials (Viton, EPDM) and regular inspection schedules

Trigger: Vibration-induced fastener loosening
Failure: Housing detachment and loss of protection
Mitigation: Implement thread-locking compounds, regular torque checks, and vibration-dampening mounts

Trigger: Thermal expansion mismatch between housing and sensor
Failure: Mechanical stress causing sensor calibration drift
Mitigation: Design with compatible CTE materials and include thermal expansion joints

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.1mm for critical dimensions, ±0.5° for angular alignment, surface finish Ra ≤ 3.2μm for sealing surfaces

Test Method

IP testing per IEC 60529, vibration testing per IEC 60068-2-6, EMI testing per IEC 61000-4-3, thermal cycling per IEC 60068-2-14

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 Protective Housing / Sheath

Manufacturer profiles associated with Protective Housing / Sheath.

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Frequently Asked Questions

What protection standards do these housings typically meet?

They typically comply with IP67/IP69K for dust/water ingress protection, IK08 for impact resistance, and IEC 61000-6-2 for electromagnetic compatibility in industrial environments.

Can protective housings affect sensor performance?

Properly designed housings maintain sensor performance through appropriate material selection, precise aperture design, and shielding that doesn't interfere with signal transmission, though calibration may be required after installation.

How are these housings mounted on machinery?

Mounting options include flange mounting with gaskets, bracket systems with vibration dampeners, or direct threading compatible with sensor specifications, often using stainless steel fasteners for corrosion resistance.

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.

Protective Housing / Sheath