YJJ MH-Z1341B-CH4 NDIR CH4 Sensor Module For Residential & Commercial Gas Safety

Product Description:

YJJ MH-Z1341B-CH4 NDIR CH4 Sensor Module For Residential & Commercial Gas Safety

Features:

MH-Z1341B-CH4 Methane (CH₄) Infrared Gas Sensor Module

Parameter Description

Detection Principle: NDIR Non-dispersive Infrared Absorption, Ultra-low Power Consumption, Anti-poisoning, Long Life

Core Detection & Electrical Parameters

| Model | MH-Z1341B-CH4 |

| Detected Gas | Methane CH₄ |

| Detection Range | 0-5% VOL (0-100% LEL)

| Resolution | 0.01% VOL

| Measurement Accuracy | ±0.15% VOL (10 - 40℃, 0 - 1% VOL); ±0.25% VOL (–10~10℃/40~60℃ or 1 - 5% VOL)

| Preheating Time | 180 seconds

| Output Interface | UART TTL - 3.0V (compatible with 5V level)

| Power Supply Voltage | DC 3.3V - 5.5V

| Average Working Current | ≤ 50μA @ 3.3V (ultra-low power consumption)

| Peak Current | 40mA @ 5V

| Zero Point Drift | ≤ 2% LEL (full temperature range)

| Expected Lifespan | ≥ 10 years (7×24h continuous operation)

Environmental Conditions

- Operating Temperature: –10℃ ~ +60℃

- Operating Humidity: 0 - 95% RH, no condensation

- Storage Temperature: –20℃ ~ +60℃

Mechanical Parameters

- Weight: 5g

Main Features

1. NDIR Infrared Principle, no catalyst poisoning risk, up to 10-year lifespan, compatible with battery-powered equipment

2. Average Current as Low as 50μA, suitable for battery-powered gas alarms, IoT devices

3. UART Digital Output, 3.0V TTL level, compatible with mainstream MCUs

4. Resistant to moisture, ethanol, and acetic acid interference, reduces false alarms in kitchen environments, complies with GB15322.2 - 2026 standard

Typical Application Scenarios

Household Methane Gas Alarm, Industrial and Commercial Gas Leak Monitoring, IoT Gas Detection Equipment, Battery-Powered Gas Detection Instruments, Urban Pipeline Gas Monitoring, Biogas Equipment Methane Detection, Gas Security Alarm Devices

Specifications: