ShenzhenYijiajie Electronic Co., Ltd.
| Power supply | 3.0–5.0 VDC |
| Weight | 16.6 g |
| Humidity | 0-98% RH |
| Shell | Stainless steel |
| Supply Ability | 2200 |
| Air pressure | 80-120 kPa |
| Power consumption | <1.5 mW |
| Size | 20.3 × 16.6 mm |
| Packaging Details | Palletized |
| Payment Terms | L/C, D/A, D/P, T/T, , |
| Interface | UART digital |
| Delivery Time | 5-8 days |
| Place of Origin | Russia |
| Model Number | MIPEX-02-1-II-1.1A (21) |
| Brand Name | YJJ |
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Product Specification
| Power supply | 3.0–5.0 VDC | Weight | 16.6 g |
| Humidity | 0-98% RH | Shell | Stainless steel |
| Supply Ability | 2200 | Air pressure | 80-120 kPa |
| Power consumption | <1.5 mW | Size | 20.3 × 16.6 mm |
| Packaging Details | Palletized | Payment Terms | L/C, D/A, D/P, T/T, , |
| Interface | UART digital | Delivery Time | 5-8 days |
| Place of Origin | Russia | Model Number | MIPEX-02-1-II-1.1A (21) |
| Brand Name | YJJ | ||
| High Light | NDIR CO2 gas sensor for portable devices ，Infrared CO2 sensor 0-21%VOL ，YJJ MIPEX CO2 gas sensor | ||
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:
| Target Gas / Range | CO2, 0–21% VOL |
| Accuracy | ±0.05% VOL |
| Repeatability | ±0.02% VOL |
| Response Time T90 | ≤15 seconds |
| With dust filter | ≤30 |
| Temperature | -40℃ to +60℃ |
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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