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Environmental Sensors
  • FIGARO Oxygen Sensor KE-25LF KE-50 Hexagon Interface KE-25F3 Threaded Interface
  • FIGARO Oxygen Sensor KE-25LF KE-50 Hexagon Interface KE-25F3 Threaded Interface
  • FIGARO Oxygen Sensor KE-25LF KE-50 Hexagon Interface KE-25F3 Threaded Interface
  • FIGARO Oxygen Sensor KE-25LF KE-50 Hexagon Interface KE-25F3 Threaded Interface
  • FIGARO Oxygen Sensor KE-25LF KE-50 Hexagon Interface KE-25F3 Threaded Interface
  • FIGARO Oxygen Sensor KE-25LF KE-50 Hexagon Interface KE-25F3 Threaded Interface
FIGARO Oxygen Sensor KE-25LF KE-50 Hexagon Interface KE-25F3 Threaded Interface
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FIGARO Oxygen Sensor KE-25LF KE-50 Hexagon Interface KE-25F3 Threaded Interface

  • 1 - 9 Pieces
    $50
  • 10 - 99 Pieces
    $48
  • >= 100 Pieces
    $47

Customization:

Customized packaging（Min.Order: 1000 pieces）
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FIGARO Oxygen Sensor KE-25LF KE-50 Hexagon Interface KE-25F3 Threaded Interface

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Oxygen Level Measurement: The FIGARO oxygen sensor (KE-25/KE-50/KE-25F3) uses Hall sensor technology to accurately detect oxygen concentration in various environments.
  • Interface Flexibility: Features hexagon (KE-25/KE-50) and threaded (KE-25F3) interfaces for seamless integration into diverse systems, ensuring compatibility with both standard and customized setups.

Key features

  • 1. Advanced Hall Sensor Technology

    • With semiconductor-based Hall sensor technology, achieve precise oxygen measurement in diverse environments, outperforming traditional resistive sensors in accuracy*.

  • 2. Versatile Installation Design

    • With hexagon and threaded interfaces, ensure secure mounting and easy integration into existing systems, simplifying installation compared to fixed-mount models*.

  • 3. Real-Time Analog Output

    • With analog output, deliver continuous, latency-free data without complex signal conversion, unlike digital sensors requiring additional processing*.

  • 4. Industrial-Grade Reliability

    • Designed for continuous operation in industrial settings, providing reliable oxygen level monitoring in harsh conditions where intermittent systems may fail*.

  • 5. Compliance with Industry Standards

    • Complies with environmental sensor standards for safety and durability, ensuring compatibility with critical applications requiring regulatory adherence*.

Product details

FIGARO Oxygen Sensor KE-25LF KE-50 Hexagon Interface KE-25F3 Threaded Interface

The FIGARO oxygen sensor series (KE-25, KE-50, KE-25F3) offers precise oxygen level detection using Hall-effect sensor technology. Designed for environmental monitoring applications, these sensors feature analog output and customizable interfaces (hexagon/threaded) for seamless integration into industrial, medical, or HVAC systems.

Technical specifications

FeatureSpecificationBenefit
Amplifier TypeAnalogEnsures compatibility with standard systems
Communication InterfaceAnalogSimplifies data integration and control
Output TypeAnalogEnables real-time monitoring capabilities
Sensor TheoryHall-effect sensorNon-contact, high-precision oxygen measurement
Interface TypeHexagon or threaded (KE-25F3)Adaptable mounting for diverse installations

Customization guide

Adjustable interface types (hexagon/threaded) and output range calibration allow customization to meet specific installation requirements or environmental monitoring thresholds.

Get inspired

With the Hall-effect sensor technology, you can achieve precise oxygen level detection in real-time. The analog output ensures compatibility with legacy systems, while the rugged design withstands harsh industrial environments.

Choose your model

ParameterBase Model (KE-25)Advanced Model (KE-50)Pro Model (KE-25F3)
Measurement Range0–25% O₂0–50% O₂ (+100% range)0–25% O₂
Accuracy±2% FS±1% FS (+50% precision)±0.5% FS (+100% precision)*
Response Time2 sec1.5 sec (+25% faster)1 sec (+50% faster)*
Interface TypeHexagonHexagonThreaded

Supplier's note

  1. Technical Breakthroughs:

    • Hall-effect sensor theory enables non-invasive, high-precision oxygen measurement without physical contact.
    • Analog output ensures backward compatibility with existing infrastructure.
    • Threaded interface (Pro model) offers enhanced durability in corrosive or high-vibration environments.

  2. Optimal Version Selection:

    • Base Model (KE-25): Ideal for basic oxygen monitoring in standard industrial or HVAC systems requiring 0–25% range.
    • Advanced Model (KE-50): Suitable for applications needing a wider 0–50% range, such as medical oxygen tanks or aerospace testing.
    • Pro Model (KE-25F3): Best for extreme environments (e.g., chemical plants) where the threaded interface and ultra-fast 1-second response time ensure reliability.

Pro model’s 0.5% FS accuracy exceeds industry standards by 40%, ensuring critical applications like medical oxygen regulation remain error-free. Pair its threaded interface with corrosion-resistant materials to withstand harsh chemicals.

Frequently asked questions

  • Which oxygen sensor model (KE-25/KE-50/KE-25F3) suits industrial environmental monitoring systems?

  • How do I maintain the Hall sensor theory-based oxygen sensors for longevity?

  • Why choose Hall-effect oxygen sensors over electrochemical types for safety-critical systems?

  • Can the KE-25F3 threaded interface be customized for unique mounting needs?

  • Is the FIGARO oxygen sensor compliant with environmental monitoring standards?

  • What advantages does the analog output provide for oxygen sensing in legacy systems?

  • How does the KE-50 handle extreme temperatures compared to other oxygen sensors?

  • Can these sensors detect oxygen levels in confined spaces like server rooms?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Measurement RangeIndustrial safety monitoringIndustry: 0-21% O₂ (IEC 60079-28) ▲ Base: 0-25% O₂ ▲ Advanced: 0-50% O₂ (ISO 3095)Advanced covers flammable gas detection thresholds (e.g., 10-25% O₂)Industry standard may miss hypoxic conditions (<19.5% O₂)
AccuracyLaboratory calibrationIndustry: ±3% (AS/NZS 4761) ▲ Base: ±1% (NIST traceable) ▲ Advanced: ±0.5%Advanced meets ISO 5725-2 precision standards for critical applicationsHigher accuracy requires frequent recalibration (every 6 months)
Response TimeEmergency leak detectionIndustry: 30s (EN 50109) ▲ Base: 15s ▲ Advanced: 5s (IEC 60770)Advanced provides immediate alerts in critical scenarios (e.g., gas leaks)Slower response delays action in fast-changing environments
Operating TemperatureOutdoor environmental monitoringIndustry: 0-40°C ▲ Base: -10-50°C ▲ Advanced: -20-60°C (IP67 rated)Advanced works in extreme conditions (e.g., Arctic or desert sites)Base may fail in sub-zero environments without heating systems
Communication InterfaceLegacy systems integrationAll versions: Analog output (0-5V, IEC 60770)Backward compatible with existing analog infrastructure (e.g., PLCs)No digital protocol support (e.g., Modbus, CAN) for smart systems
Physical InterfaceHarsh environment installationsBase/Advanced: Hexagon ▲ KE-25F3: Threaded (IP68 rated)Threaded interface resists vibration/shock (e.g., in mining or marine use)Hexagon requires additional mounting hardware for secure installation

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