Product Description:

YJJ KE-25F3LFM 0-100% Vol O2 lead-free Galvanic Battery Type Oxygen Sensor Industrial Combustion

Features:

I. Model and Principle Description

1. Model Disassembly

I. Model and Principle Description

1.KE-25: Standard Galvanic Oxygen Sensor Series with a 25mm Diameter

Model Disassembly

F3: M16×1.0 External Thread Inlet Interface, Can Be Directly Assembled with Gas Chamber and Pipeline

KE-25: Standard Galvanic Oxygen Sensor Series with a 25mm Diameter

F3: M16×1.LF: Lead-Free Electrolyte, RoHS2 Environmentally Compliant

0 External Thread Inlet Interface, Can Be Directly Assembled with Gas Chamber and Pipeline

M: 0~100% Vol Full Range Oxygen Special Model (Same as Series KE-25F3LF Only 0~30% Range)

2. Detection Principle

LF: Lead-Free Electrolyte, RoHS2 Environmentally Compliant

M: 0-100% Vol Full Range Oxygen Special Model (Same as Series KE-25F3LF Only 0-30% Range)

2. Detection Principle

Lead-Free Galvanic Battery (Self-Powered Type), No External Power Supply Required, Zero Power Consumption, No Preheating; Oxygen Permeation Membrane Experiences Electrochemical Reaction, Outputs Linear Voltage Signal in mV, Concentration and Output Voltage Are Proportional to Fugaro Technology.

II. Core Performance Electrical Parameters Table

Parameter Item Standard Specification

Measurement Range Lead-Free Galvanic Primary Battery (Self-Powered Type), No External Power Supply Required, Zero Power Consumption, No Preheating; Oxygen Permeation Membrane Experiences Electrochemical Reaction, Outputs Linear Voltage Signal in mV, Concentration and Output Voltage Are Proportional to Fugaro Technology.

II. Core Performance Electrical Parameters Table

Parameter Item Standard Specification

Measurement Range 0 - 100% Vol O₂ (covering hypoxia, air, oxygen-rich, pure oxygen)

Measurement Accuracy ±1% FS Full Scale Error

0 - 100% Vol O₂ (covering hypoxia, air, oxygen-rich, pure oxygen)

Measurement Accuracy ±1% FS Full Scale Error

Standard Output (21% air, 25°C) 10.0 - 15.5 mV

Standard Output (21% air, 25°C) 10.0 - 15.5 mV

T90 Response Time ≈ 15 seconds

T90 Response Time ≈ 15 seconds

Recovery Time (Nitrogen Zeroing) < 40 seconds

Recovery Time (Nitrogen Zeroing) < 40 seconds

Operating Temperature 5°C - +40°C

Operating Temperature 5°C - +40°C

Operating Humidity 10 - 90% RH (strictly prohibit condensation and water ingress)

Operating Humidity 10 - 90% RH (strictly prohibit condensation and water ingress)

Adapted Atmospheric Pressure 811 - 1216 hPa (0.8 - 1.2 standard atmospheric pressure)

Adapted Atmospheric Pressure 811 - 1216 hPa (0.8 - 1.2 standard atmospheric pressure)

Expected Service Life At normal temperature and pressure in a clean air environment, approximately 6 years (better than 5 years for a 0 - 30% range sensor)

Power Consumption 0 mW, fully self-powered, battery equipment friendly

Expected Service Life At normal temperature and pressure in a clean air environment, approximately 6 years (better than 5 years for a 0 - 30% range sensor)

Anti-interference Characteristics Weak acidic electrolyte, almost unaffected by CO₂, H₂S, SO₂ acidic gas drift interference

Mechanical Dimensions Outer Diameter φ23.Power Consumption 0 mW, fully self-powered, battery equipment friendly

2mm, Total Length 50mm; Inlet Port M16×1.0 external thread

Weight Approximately 24g

Environmentally Friendly Lead-free electrolyte, complies with RoHS2 Directive

III. Core Product Advantages

Anti-interference Characteristics Weak acidic electrolyte, almost not affected by CO₂, H₂S, SO₂ acidic gas drift interference

Mechanical Dimensions Outer Diameter φ23.0 - 100% Ultra-wide Range: Balances common air, medical oxygen-rich, and pure oxygen scenarios, serving as a substitute for multiple range sensors;

2mm, Total Length 50mm; Inlet Port M16×1.0 external thread

Extremely Long 6-Year Service Life, significantly reducing the cost of equipment replacement and maintenance in the future;

Weight Approximately 24g

Model Range Life Span Applicable Scenarios

KE-25F3LF 0 - 30% O₂ 5 years General air, low oxygen-enriched scenarios (air compressors, cold storage)

KE-25F3LFM 0 - 100% O₂ 6 years Medical oxygen production, pure oxygen equipment, high-concentration oxygen-enriched conditions

KE-12F3LF 0 - 30% O₂ 3 years Compact portable detector, equipment in space-constrained environments

KE-50LF 0 - 30% O₂ 10 years Long-term unmanned industrial fixed monitoring

Specifications: