Gas Sensor

Product Description: YJJ GS + 7CO Carbon Monoxide Electrochemical Sensor 0-1000ppm for Safety in Mining Underground Operations Features: GS + 7CO Carbon Monoxide Electrochemical Sensor I. Product Overview Brand: DD Scientific (DDS, same specification as Citytech 7 Series general packaging) Model: GS+7CO Principle: Three-electrode electrochemical fuel cell Packaging: Standard 7Series circular industrial probe, 3 signal pins + 1 positioning pin, can be directly replaced with

CO 3E 300 0248-034-30079 Carbon Monoxide Gas Sensors 3 Electrode Sensor Cell FEATURES Amperometric 3 electrode sensor cell Very selective Highly sensitive Long lifetime TYPICAL APPLICATIONS TLV-monitoring, leakage detection portable & fixed point applications Oil & Petrochemical industry, parking garages, Mining, Steel Industry Specification: Long Term Sensitivity Drift

INIR2-ME5 Methane NDIR Infrared Sensor Non Dispersive Built-in MCU Typical Applications Industrial gas leak detection; coal mine gas monitoring Commercial/residential gas alarms; gas pipeline inspection HVAC, biogas, and landfill gas monitoring Explosion-proof online gas analyzers; portable detectors Specification: Resolution Up to 10 ppm; capable of detecting trace leaks of 100 ppm Operating Temperature -40°C to +75°C Air Pressure Range 80–120 kPa Dimensions / Housing Φ20 ×

Product Description: YJJ CO 3E 300-7CTL 0248-034-30079 0-500PPM An Oxygen Sensor for Exhaust Ventilation Linkage System Features: I. Basic Product Information Model: CO 3E 300 (MINI Miniature Three-Electrode Electrochemical CO Sensor) Core Principle: Three-electrode amperometric electrochemical cell, specifically for detecting toxic gas carbon monoxide CO Application: Industrial high-precision, long-life CO detection core consumable, compatible with portable detectors and

Product Description: YJJ SGX-4H2S-100 Hydrogen Sulfide Electrochemical Sensor 0-100ppm for Oil and Gas Industry Features: I. Basic Information Model: SGX-4H2S-100 Detected Gas: H₂S Sulfur Dioxide Principle: Three-electrode electrochemical Packaging: 4-series universal standard housing, Φ20mm straight-through three-pin pins, directly compatible with 4-series universal sockets Unbiased design, no need for additional polarization voltage. II. Core Technical Parameters (20℃, 50%

Product Description: YJJ 10121214 MSA XCell CO/H2S H2-RES Anti-Hydrogen Gas Sensor Two-in-one Gas Sensor Oil Gas Applications Features: Part Number: 10121214 Full Model Name: XCell CO/H₂S H₂-RES (H₂-RES = Anti-Hydrogen Interference Model) Detected Gas: Carbon Monoxide CO + Hydrogen Sulfide H₂S Dual Toxic Gas Electrochemical Sensor Compatible Host: MSA Altair 4X / 4XR / 5X Portable Four- or Five-Component Gas Detector (Original Replacement Sensor Core) Core Principle: Built-in

XT-RPUMP-K1 Compatible With BW GasAlertMax XT II XT4 Product use * A direct replacement for the original faulty pump head. It can be replaced when the detector has weak pumping, abnormal noise from the pump, failure to sample, or pump error. * Built-in micro air pump, connecting cables, sampling hoses, and original connectors can be installed directly upon receipt without additional modifications. * Used for long-distance gas sampling and detection in confined spaces,

ZP152 Pet Odor Gas Sensor Module Semiconductor Hydrogen Sulfide And Ammonia The ZP152 is a specialized semiconductor gas-sensing module designed to detect pet odors. It comes factory-calibrated with built-in temperature compensation and is optimized to detect odors—such as ammonia, hydrogen sulfide, and TVOCs—generated by pet waste. It effectively filters out interference from substances like perfume and alcohol to prevent false triggers, making it ideal for use in smart

NE4-HCHO electrochemical sensor detects formaldehyde with high accuracy even at low concentrations. Features excellent gas selectivity, stability, and durability in high temperature and humidity. Zero power consumption, battery-ready, and impact-resistant. Ideal for building material odor detection.

High-precision 3EF electrochemical CO sensor with 0.5 ppm resolution and fast T90 response. Features side tags and optional inboard filter to remove SOx/NOx & H2S. Reliable performance from -20°C to +50°C. Ideal for industrial safety and gas detection systems.

ZP152 module detects ammonia, H2S, and VOC from pet waste. Features factory calibration, built-in temperature compensation, and UART/PWM output. Low power, 5V DC, lifespan ≥5 years. Ideal for smart litter boxes, deodorizers, and air purifiers.

Dual-principle Pirani and cold cathode gauge for seamless full-range vacuum measurement. Intelligent auto-switching at 10Pa, non-heating filament design ensures long life and low maintenance. TFT display, 24V DC, ideal for semiconductor, industrial, and lab applications.

Ultra-compact NDIR CO2 sensor module with 0-6000 ppm range, ±30 ppm accuracy, and built-in temperature/humidity compensation. Features ABC auto-calibration, 5V USB power, UART MODBUS output, and ≥5 year lifespan. Ideal for portable detectors, IoT devices, and indoor air quality monitoring.

High-performance replacement pump assembly for BW Max XT II gas detectors. Supports multi-gas detection with 20m sampling distance. Features intelligent diaphragm pump, triple alarm system, and IP66/67 protection. Ideal for confined space and industrial safety applications.

Patented solid-state IR LED and gold-plated chamber ensure 15+ year lifespan and shock resistance. Ultra-low 3.5mW power consumption ideal for battery devices. 0-5% Vol range precisely matches cell culture. Digital UART output, quick startup under 10 seconds.

Detects up to 6 gases simultaneously with catalytic, electrochemical, and IR sensors. Features fall alarm, instant alarm, and sensor life warning. IP65 rated, 3m drop tested, 20h battery life. Ideal for oil & gas, chemical, and confined space safety.

Detects stationary, slightly moving, and active human subjects. Low power consumption, compact 16x22mm design, and UART interface. Ideal for smart home, security, and IoT projects. Supports 5-12V input, operates from -40°C to +85°C.

High accuracy limiting current zirconia oxygen sensor with 0.10-25.0 vol% O2 range. Features long service life, low gas interference, and single point calibration. Ideal for medical, industrial, food, and safety applications.

YJJ VQ21TB catalytic combustion gas sensor detects 0-100% LEL combustible gases with fast T90 ≤ 2s response. Anti-poisoning design resists silicone oil and solvents. Rated 2.0V, lifespan ≥5 years. Ideal for industrial gas detectors, petrochemical, and municipal safety monitoring.

Original replacement sensor for Riken portable detectors. Features catalytic bead detection, 0-100% LEL range, and 3-year lifespan. Resistant to poisoning, ideal for petrochemical, gas utility, and confined space safety monitoring.