Gas Sensor

Zero-bias design eliminates preheating for stable baseline and high resolution. Range 0-5 ppm, sensitivity 1.5 μA/ppm, T90 ≤30s. Long-term stability

High accuracy SO2 gas sensor for stack and emission monitoring. Features 3-electrode design, 2-year lifespan, RoHS compliant, and stable output. Operates from -20°C to 50°C with 15-90% RH range.

High accuracy CO sensor with 0-1000ppm range, 3-electrode electrochemical design, and T90 response ≤30s. Features 3-year service life, low zero drift, and linear output. Ideal for hydrogen sulphide detection up to 15ppm. Custom options available.

Product Description: YJJ GS+A5CO Carbon Monoxide Sensor with a of 0-4000ppm Suitable for Smoke Emission Detection Features: I. Basic Information Model: GS+A5CO Package Specification: 5-Series, 4-pin pin interface Detected Gas: Carbon Monoxide (CO) Sensing Principle: Four-electrode electrochemistry, hydrogen compensation electrode, extremely low hydrogen cross-interference Compliance Standard: EN50379-1 (Special Standard for Smoke Gas Analyzer) II. Core Performance Parameters

Lead-free RoHS compliant oxygen sensor with 20mm industry-standard package. Features linear output, rapid T90 response under 8 seconds, and long lifespan over 5 years. Ideal for portable and fixed oxygen detectors, multi-gas alarms, and industrial monitoring.

Electrochemical sensor for measuring hydrogen fluoride gas. Pin-to-pin replacement for standard 7-series sensors. Operating range -20°C to 50°C, 2-year life,

High-performance electrochemical sensor for detecting HCl gas. Features three-electrode design, fast response under 70 seconds, and linearity to 100 ppm. Suitable for industrial safety detectors with operating range -40 to 50°C. Compact, durable, and customizable for export.

Gold-plated chamber ensures waterproof and anti-corrosion performance. Features high sensitivity, low power consumption, and temperature compensation. Supports UART and PWM outputs. Ideal for HVAC, air cleaners, and smart home ventilation systems.

Stainless steel flow sensor for precise monitoring in industrial pipelines. Features IP67/IP68 protection, 400 mA output, and wide temperature range. Ideal for cooling circuits, hydraulic oil, and water treatment. Custom thread options available.

LFO2-A1 oxygen sensor offers >5 year lifespan, lead-free RoHS compliance, and fast

The YJJ EC4-NH3-1000 electrochemical sensor accurately detects ammonia from 0 to 1000 ppm with ±5% F.S accuracy and fast T90 response under 50 seconds. Operating from -30°C to 55°C, it offers low power consumption at 25 mW and a 2-year lifespan. Ideal for environmental monitoring and industrial safety.

High-performance 4-electrode NH3 sensor for air quality monitoring with ultra-high 15 ppb resolution. Detects low-concentration ammonia gas with excellent sensitivity, accuracy, and long-term stability. Linear up to 10 ppm, operates from -30°C to 50°C, and offers 2-year expected life. Ideal for ppb-level detection.

The TGS2610 sensor detects LPG and combustible gases from 500 to 10000 PPM with high sensitivity to methane and propane. Features low power consumption, long life, compact size, and simple circuit design. Ideal for industrial and civilian safety applications.

MC109 catalytic gas sensor offers linear output, fast response, and excellent resistance to H2S and silicone interference. Ideal for detecting hydrogen, acetylene, and VOC gases in industrial environments. Custom options available.

Highly sensitive amperometric 3 electrode sensor cell with very stable zero reading and fixed organic gel electrolyte. Ideal for TV-monitoring, leakage detection, and gold mining. Long-term drift 18 months. 12-month warranty.

Industry standard 20mm diameter NO2 sensor with 20ppm range and 50ppb resolution. Features leak-free electrolyte, fast response under 50 seconds, and long-term stability. Ideal for portable gas detectors, urban air monitoring, and stack gas analyzers.

High sensitivity MQ-131 ozone sensor module with dual analog and TTL output. Operates at DC 5V, detects 10-1000ppm ozone. Features signal indicator, fast response, long life, and reliable stability. Ideal for air quality monitoring systems.

High-performance CO sensor with 0-10000ppm range, 7-10 year lifespan, and fast response under 60 seconds. Features high linearity, no calibration needed, and excellent selectivity. Ideal for portable meters, industrial monitors, and fire detection.

The 5NF NO sensor features a three-electrode design for sensitive detection of nitrogen dioxide. It offers high selectivity, zero bias operation, and stable performance across -20°C to +40°C. Ideal for environmental monitoring and industrial safety applications.

Product Description: YJJ TC-3000 NDIR CO2 Sensor 400–5000ppm Greenhouses Factories and Indoor HVAC Systems Features: I. Basic Overview Model: TC-3000 Detection Principle: Non-dispersive Infrared NDIR Detection Principle, with built-in temperature automatic compensation Detected Gas: CO₂ Carbon Dioxide Standard Measurement Range: 400 - 5000 ppm (can cover the base atmospheric 400 ppm baseline downward) II. Core Sensor Performance Parameters Measurement Range: 400 ~ 5000 ppm