Structured Manufacturing Data (2026)

Oxygen Sensor

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Oxygen Sensor used in the Chemical Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Oxygen Sensor is characterized by the integration of Sensing Element and Heater. In industrial production environments, manufacturers listed on CNFX commonly emphasize Zirconium oxide ceramic construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A device that measures the concentration of oxygen gas in a nitrogen atmosphere system.

View Full Specifications Explore Manufacturing Sources

Product Specifications

Technical details and manufacturing context for Oxygen Sensor

Definition
An oxygen sensor is a critical component within a nitrogen atmosphere system, designed to continuously monitor and report the oxygen level in an environment where nitrogen is the primary gas. It ensures the atmosphere remains inert by detecting trace amounts of oxygen, which is essential for preventing oxidation, spoilage, or combustion in sensitive processes such as food packaging, chemical storage, or electronic manufacturing.
Working Principle
The sensor typically operates using electrochemical or optical principles. In an electrochemical sensor, oxygen diffuses through a membrane and reacts at an electrode, generating an electrical current proportional to the oxygen concentration. Optical sensors use fluorescence quenching, where oxygen molecules interact with a light-sensitive material, altering its luminescence properties to determine concentration.
Common Materials
Zirconium oxide ceramic, Platinum electrodes, Stainless steel housing
Technical Parameters
  • Measurement range for oxygen concentration, typically from 0-25% O₂ with high accuracy in low-oxygen environments. (% O₂) Standard Spec
Components / BOM
  • Sensing Element
    Detects oxygen molecules and generates a corresponding signal.
    Material: Zirconium oxide ceramic with platinum coating
  • Heater
    Maintains the sensing element at optimal operating temperature for stable readings.
    Material: Platinum wire
  • Protective Housing
    Encases the sensor, providing mechanical protection and environmental sealing.
    Material: Stainless steel
  • Electrical Connector Part
    Transmits the sensor's output signal to the control system.
    Material: Brass with gold plating

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Oxygen Sensor.

O₂ Sensor Oxygen Analyzer oxygen sensor for nitrogen atmosphere systems zirconium oxide ceramic oxygen sensor chemical manufacturing oxygen monitoring device platinum electrode oxygen sensor for industrial use stainless steel housing oxygen detector

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Nitrogen Atmosphere System
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 10 bar (absolute), 0 to 5 bar (differential)
flow rate: 0.1 to 10 L/min (recommended for optimal response)
temperature: -20°C to 80°C (operating), -40°C to 100°C (storage)
slurry concentration: Not applicable - sensor requires clean, dry gas contact
Media Compatibility
✓ Nitrogen gas streams (purity >99%) ✓ Inert gas mixtures (Ar/He with trace O2) ✓ Process air with controlled humidity (<60% RH)
Unsuitable: Corrosive environments (HCl, H2S, SO2) or condensing moisture conditions
Sizing Data Required
  • Required O2 measurement range (ppm to % levels)
  • Process pressure and temperature conditions
  • Response time requirement (T90 specification)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Contamination/poisoning
Cause: Exposure to silicone, lead, phosphorus, or sulfur compounds in exhaust gases, which coat the sensor element, blocking oxygen diffusion and causing inaccurate readings or complete failure.
Thermal degradation
Cause: Excessive heat from engine misfires, rich fuel mixtures, or exhaust leaks, leading to ceramic element cracking, heater burnout, or electrode deterioration, resulting in slow response or sensor death.
Maintenance Indicators
  • Check Engine Light (CEL) with oxygen sensor-specific diagnostic trouble codes (e.g., P0130-P0167) indicating slow response, heater circuit faults, or out-of-range voltage
  • Noticeable drop in fuel efficiency (e.g., 10-40% MPG decrease) combined with rough idling, hesitation, or failed emissions tests, signaling sensor inaccuracy
Engineering Tips
  • Use only OEM or high-quality sensors with proper heat ranges and ensure correct installation torque (typically 30-40 Nm) to prevent exhaust leaks and thermal shock from over-tightening
  • Maintain proper engine combustion: address misfires promptly, use recommended fuel grades, avoid oil/coolant leaks into exhaust, and replace at preventive intervals (e.g., 60,000-100,000 miles) before catastrophic failure

Compliance & Manufacturing Standards

Reference Standards
ISO 13485:2016 (Medical devices - Quality management systems) ASTM F2100-21 (Standard Specification for Performance of Materials Used in Medical Face Masks) CE Marking (EU Medical Device Regulation 2017/745)
Manufacturing Precision
  • Bore diameter: +/-0.02mm
  • Flatness: 0.1mm across sensing surface
Quality Inspection
  • Leak test (pressure decay method)
  • Response time verification (step change analysis)

Factories Producing Oxygen Sensor

Manufacturer profiles with relevant production capability in China

Add your factory

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

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

Supply Chain Compatible Machinery & Devices

Modular Distillation Column System

Pre-engineered modular system for continuous separation of chemical mixtures via distillation.

Explore Specs →
Automated Batch Crystallization System

Automated system for controlled crystallization of chemical compounds in batch processes.

Explore Specs →
Automated pH Monitoring and Dosing System

Automated system for continuous pH monitoring and chemical dosing in process streams.

Explore Specs →
Automated Powder Dispensing and Blending System

Automated system for precise dispensing and homogeneous blending of powdered chemicals.

Explore Specs →

Frequently Asked Questions

How does this oxygen sensor work in nitrogen atmosphere systems?

The sensor uses a zirconium oxide ceramic sensing element that generates a voltage proportional to oxygen concentration when heated, allowing precise measurement of trace oxygen levels in nitrogen environments critical for chemical processes.

What are the key benefits of the platinum electrodes in this sensor?

Platinum electrodes provide excellent conductivity, corrosion resistance in chemical environments, and stable performance at high temperatures, ensuring accurate and reliable oxygen measurements over extended operational periods.

Why is stainless steel housing important for chemical manufacturing applications?

Stainless steel housing offers superior corrosion resistance against chemical exposure, mechanical durability for industrial environments, and protection for the sensitive internal components, ensuring long-term reliability in harsh manufacturing conditions.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Chemical Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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 Oxygen Sensor

Ask for use case, specification boundaries, supplier type, and RFQ preparation information for Oxygen Sensor.

Your business information is used only to process this request.

Thank you! Your message has been sent. We'll respond within 1–3 business days.
Thank you! Your message has been sent. We'll respond within 1–3 business days.

Need to Manufacture Oxygen Sensor?

Compare manufacturer profiles with relevant product and process capability.

Create Manufacturer Profile Contact Us
Previous Product
Oxygen Analyzer
Next Product
Permeate Tube