YJJ MIPEX-02-1-II-1.1A (21) NDIR Infrared CO2 Gas Sensor 0-21%VOL for Portable Devices

Product Description:

YJJ MIPEX-02-1-II-1.1A (21) NDIR Infrared CO2 Gas Sensor 0-21% VOL for Portable Devices

Features:

1. Core Parameters (CO₂ Detection)

Detection Principle: NDIR Non-dispersive Infrared (Solid-state LED + Photodiode)

Target Gas / Range: CO₂, 0–21% VOL

Accuracy: ±0.05% VOL or ±5% reading (whichever is greater), at 20–25℃

Repeatability: ±0.02% VOL

Response Time T90: ≤15 seconds; with dust filter ≤30 seconds Working conditions:

Temperature: -40℃ to +60℃ (Group II)

Humidity: 0–98% RH (no condensation)

Air pressure: 80–120 kPa

Electrical characteristics:

Power supply: 3.0–5.0 VDC (recommended 3.3V)

Power consumption: <1.5 mW (low power consumption, battery-friendly)

Interface: UART digital (TTL level, direct output of compensated data)

Physical specifications:

Size: Φ20.3 × 16.6 mm (standard 4-pin package)

Weight: 16.6 g (stainless steel) / 5.5 g (plastic)

Shell: Stainless steel (explosion-proof)

Explosion-proof and lifespan:

Explosion-proof: Ex ia IIC Ga (ATEX/IECEx, Zone 0 applicable)

MTBF: 10 years; no vulnerable parts, maintenance-free

II. Main applications

Industrial safety (explosion-proof area): Oil and gas, chemical industry, oil tankers, confined spaces CO₂ monitoring.

Environment and indoor air: Building ventilation, greenhouses, cold storage, underground pipe galleries CO₂ monitoring

Medical and life sciences: Ventilators, anesthesia machines, incubators CO₂ concentration monitoring

Portable / wireless devices: Battery-powered detectors, wireless sensor networks (low power consumption).

Biogas / biological gas: Fermentation tanks, biogas projects CO₂ and CH₄ ratio analysis

III. Key advantages

Low power consumption: <1.5 mW, suitable for long-term battery power supply.

High stability: Built-in temperature compensation, long-term drift small, 10-year maintenance-free.

Drought resistance: Stable under 98% RH without condensation, no catalyst poisoning risk.

Explosion-proof certification: Intrinsic safety ia class, applicable to 0/1/2 zone hazardous environments.

Specifications: