YJJ 1O2 AAW85-07WA-HON 0.6-25%Vol Electrochemical Oxygen Sensor Industrial Flue Gas Combustion Analysis

Product Description:

YJJ 1O2 AAW85-07WA-HON 0.6 - 25%Vol Electrochemical Oxygen Sensor for Industrial Flue Gas Combustion Analysis

Features:

1. Disassembly of the full model name 1O2 AAW85-07WA-HON

1O2: 1 Series Electrochemical Oxygen Sensor (Lead-Free Galvanic Three-Electrode Analog Output Model)

AAW85-07WA: Hardware packaging code, compact through-hole PCB packaging, gold-plated three-electrode pins, analog current output type

HON = (Original factory marking , produced by Citytech in the UK, distributed )

Core principle: Lead-free electrochemical three-electrode primary cell, oxygen permeable membrane undergoes electrochemical reaction, outputs linear weak current signal, no external driving power supply required, low power consumption design

II. Core Performance Electrical Parameters

1. Measurement Performance Table

Parameter Item Standard Specification

Detected Gas O₂ Oxygen

Standard Range 0.6 ~ 25% Vol O₂ (covers air 20.95%, oxygen-rich, and low-oxygen environments)

Maximum Overload Tolerance 30% Vol O₂ (pure oxygen for a short period will not burn the equipment)

Air Sensitivity (20.95% O₂) 80~130 nA / % O₂, total air output 800~1300 nA

T50 Response Time ≤10s (at 20℃ ambient temperature)

T90 Response Time ≤15s

R90 Recovery Time ≤45s (nitrogen zero recovery)

Zero Point Drift (after nitrogen standing for 3 minutes) Equivalent <0.3% O₂, baseline stable

Repeatability Precision ±5% within reading

Resolution 0.1% Vol O₂

Linear Characteristics Logarithmic linear output, the supporting circuit can be converted to standard voltage / 4~20mA

2. Electrical Specifications

Electrode Structure: 3Pin (S sensing electrode / R reference electrode / C counter electrode)

Recommended Load Resistance: 5~10Ω

Bias Voltage: 0V (zero bias operation, low power consumption)

Static Power Consumption: 0.5mW @ standard air environment

Output Form: Weak analog current signal, requires an I/V converter amplifier for collection

3. Environmental and Mechanical Parameters

Operating Temperature: -40℃ ~ +60℃ (wide temperature range, suitable for high-temperature flue gas, low-temperature cold storage)

Operating Humidity: 5~95% RH, no condensation

Expected Service Life: 5 years in clean air environment, 2~3 years in industrial flue gas conditions

Weight: <5g, ultra-thin compact PCB surface mount packaging

Pins: Gold-plated contacts, anti-corrosion, suitable for long-term equipment integration

Compliance: RoHS lead-free electrolyte, complies with EN50104, ISA92 global gas detection standards

III. Core Product Advantages

Lead-free electrolyte: environmentally friendly and compliant, preferred for medical and export equipment;

Ultra-wide temperature stability: -40~60℃ full-temperature compensation, suitable for boiler flue gas, cold storage;

Ultra-long 5-year lifespan: far superior to ordinary 2~3-year galvanic oxygen sensors, significantly reducing equipment maintenance costs;

Three-electrode structure: suppresses CO, NO, NO₂ cross-interference, no drift in boiler and flue gas analysis instrument readings;

Ultra-thin small package, instrument PCB miniaturization design, compatible with portable detection instruments, fixed-type control cabinets;

Zero low power consumption, battery-powered portable equipment has excellent battery life performance.

IV. Specialized Application Scenarios

1. Industrial Flue Gas Combustion Analysis (Main Scenario)

Teledyne Testo 340/350, Kane KANE portable flue gas analyzer replace oxygen sensing core;

Monitoring oxygen content in flue gas of gas / fuel boilers, heat treatment kilns, incinerators, calculation of combustion efficiency, excess air coefficient λ;

Environmental emission detection in thermal power plants, heating stations.

2. Medical Life Equipment

Real-time monitoring of oxygen concentration in ventilators, anesthesia machines, infant incubators;

Closed-loop monitoring of oxygen content in medical oxygen generators, hyperbaric oxygen chambers, prevention of hypoxia / oxygen-rich risks;

Portable oxygen concentration detection instrument.

3. Sealed Space Safety Monitoring

Oxygen alarm in underground tunnels, ship cabins, cellars, cold storages;

Oxygen residual detection in nitrogen replacement workshops, inert gas protection furnaces;

Fixed industrial oxygen concentration alarm.

4. Laboratory and Environmental Equipment

Oxygen concentration control in anaerobic incubators, plant growth chambers, controlled atmosphere storage warehouses;

Oxygen content collection for atmospheric environment, ozone-compatible gas analyzers;

Oxygen ratio in welding protection gas, nitrogen residual monitoring in heat treatment furnaces.

5. Automation System Integration Solutions

The weak current of the sensor is converted to a 0~5V voltage signal by an operational amplifier, which can be connected to: DC1040CL linear input temperature control instrument, featuring oxygen concentration display + high and low oxygen alarm;

PLC, paperless recorder, 4-20mA transducer module,fan, nitrogen valve, and sound and light alarm；

Portable detector main control MCU, screen displays percentage oxygen content in real time.

Specifications: