ShenzhenYijiajie Electronic Co., Ltd.
| Weight | 22g |
| Payment Terms | L/C, D/A, D/P, T/T, , |
| Operating pressure | 80 ~ 120 kPa |
| Humidity | 0~99% RH |
| Packaging Details | Canned |
| Recovery time | < 30s |
| Supply Ability | 1500 |
| Operating temperature | -40℃ ~ +75℃ |
| Response speed | T90 < 15s |
| Delivery Time | 5-8 days |
| Analog output | 0~2.5V |
| Factory calibration | 0~5% |
| Model Number | INIR2-ME5 |
| Brand Name | YJJ |
| Place of Origin | Britain |
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Product Specification
| Weight | 22g | Payment Terms | L/C, D/A, D/P, T/T, , |
| Operating pressure | 80 ~ 120 kPa | Humidity | 0~99% RH |
| Packaging Details | Canned | Recovery time | < 30s |
| Supply Ability | 1500 | Operating temperature | -40℃ ~ +75℃ |
| Response speed | T90 < 15s | Delivery Time | 5-8 days |
| Analog output | 0~2.5V | Factory calibration | 0~5% |
| Model Number | INIR2-ME5 | Brand Name | YJJ |
| Place of Origin | Britain | ||
| High Light | Infrared methane gas sensor ，Industrial methane gas detector ，Methane sensor with warranty | ||
Product Description:
YJJ INIR2-ME5 CH4 Infrared Methane Gas Sensor 0-5%VOL for Industrial Safety Detection
Features:
I. Basic Information
Model: INIR2-ME5 (Second-generation Integrated Infrared Sensor, replacing the older model INIR-ME5)
Detected Gas: Methane CH₄ (Flammable Gas, 0-5% VOL explosion lower limit range)
Detection Principle: NDIR Non-Dispersive Infrared Absorption Method, with built-in light source, dual optical paths (measurement + reference), signal processing circuit, no catalytic combustion, no poisoning risk
Explosion-proof Certification: ATEX / IECEx explosion-proof certification, can be directly used in hazardous explosive areas
II. Core Electrical and Performance Parameters
1. Power Consumption Table
Parameters Specification Values
Power supply voltage 3.2 ~ 5.25 VDC (typical 3.3V)
Average operating current 32mA (typical, total system power consumption < 100mW)
Peak current during shock Maximum 60mA
2. Range and Resolution
Three automatic switching ranges: 0~1% / 1~4% / 4~5% VOL CH₄
Highest resolution: 10ppm, precise identification of low concentration minor leakage
Factory calibration: standard 0~5% methane, zero point nitrogen gas calibration
3. Output Interface
Analog output: 0~2.5V linear voltage, 12-bit resolution, with temperature compensation
Digital UART serial port: default 38400 baud rate, supports CRC check, built-in full fault diagnosis
Built-in temperature sensor, automatic temperature drift compensation, stable measurement in both high and low temperature ranges
4. Environmental Adaptation Specifications
Operating temperature: -40℃ ~ +75℃ (wide temperature range, suitable for outdoor / industrial low-temperature environments)
Operating pressure: 80 ~ 120 kPa
Humidity: 0~99% RH (no condensation condition)
Response speed: T90 < 15s; recovery time < 30s
5. Physical Dimensions
Shape: Stainless steel cylindrical, Φ20mm × 16.7mm height
Pins: 5-pin straight plug standard socket, compatible with universal transducer base
Weight: Approximately 22g, stainless steel shell corrosion-resistant
6. Core Hardware Advantages
Infrared principle, not affected by siloxane, hydrogen sulfide, or organic vapor poisoning, with a much longer lifespan than catalytic bead sensors
Built-in complete signal conditioning, factory calibration, plug-and-play for the entire system, no need for customer secondary calibration
Automatic range switching, balancing minor leakage (10ppm) and high concentration explosion range detection
Real-time fault self-check: light source damage, light path blockage, circuit anomaly all reported via serial port
Low power consumption 3.3V power supply, compatible with portable detection instruments, battery-powered equipment
3. Main Application Scenarios (compatible with your SIAM WATER FLAME business)
1. Industrial Safety Detection (core)
Online monitoring of methane leakage in natural gas pipelines, gas boiler rooms, LNG filling stations
Waste gas concentration detection in coal mines, underground explosion-proof gas transmitters
Hydrogen production / fuel cell supporting workshops: methane leakage alarm in natural gas pipelines, reformer furnaces
2. Energy and New Energy
Concentration monitoring of biogas, biogas fermentation tanks (agricultural biogas projects)
Safe monitoring of combustible gas in raw material gas pre-treatment workshops of fuel cells
3. Commercial and Municipal
Fixed gas alarms in underground pipe galleries, urban gas wells, pump stations
Portable gas leak detectors, handheld explosion-proof detectors
4. Other Industries
Methane emission monitoring in landfill sites, sewage gas monitoring
Flammable gas explosion monitoring in petrochemical, chemical plant areas
Specifications:
| Detected Gas | CH4 |
| Detection Principle | NDIR Non-Dispersive Infrared |
| Power supply voltage | 3.2 ~ 5.25 VDC |
| Average operating current | 32mA |
| Three automatic switching ranges | 0~1% / 1~4% / 4~5% VOL CH4 |
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2006
Total Annual:
900000-1000000
Employee Number:
50~80
Ecer Certification：
Verified Supplier
Yijiajie Electronics is a full range of silicon pressure sensors from the United States, FREESCALE/, GE, MEAS, SMI, and a full range of sensing and control products from the United States pressure, temperature and humidity, gas flow, current, Hall effect, etc., Japan HAMAMATSU flame, UV sensors, ph... Yijiajie Electronics is a full range of silicon pressure sensors from the United States, FREESCALE/, GE, MEAS, SMI, and a full range of sensing and control products from the United States pressure, temperature and humidity, gas flow, current, Hall effect, etc., Japan HAMAMATSU flame, UV sensors, ph...
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