ShenzhenYijiajie Electronic Co., Ltd.
| Package Size | Φ15.6mm |
| Response Time | t90 < 30s |
| Packaging Details | Canned |
| Compatible Base Unit | Compatible Base Unit |
| Supply Ability | 1500 |
| Sensitivity | 70 nA/ppm ± 20 nA/ppm |
| Service Life | ≥ 4 years |
| Payment Terms | L/C, D/A, D/P, T/T, , |
| Zero-point Current | Less than 150 nA in clean air |
| Delivery Time | 5-8 days |
| Range | 0~500 ppm |
| Gas Detection | CO |
| Model Number | CO 3E 300-7CTL 0248-034-30079 |
| Brand Name | YJJ |
| Place of Origin | British |
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Product Specification
| Package Size | Φ15.6mm | Response Time | t90 < 30s |
| Packaging Details | Canned | Compatible Base Unit | Compatible Base Unit |
| Supply Ability | 1500 | Sensitivity | 70 nA/ppm ± 20 nA/ppm |
| Service Life | ≥ 4 years | Payment Terms | L/C, D/A, D/P, T/T, , |
| Zero-point Current | Less than 150 nA in clean air | Delivery Time | 5-8 days |
| Range | 0~500 ppm | Gas Detection | CO |
| Model Number | CO 3E 300-7CTL 0248-034-30079 | Brand Name | YJJ |
| Place of Origin | British | ||
| High Light | Oxygen sensor for exhaust ventilation ，Gas sensor 0-500PPM range ，YJJ CO 3E oxygen sensor | ||
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 fixed gas transmitters
II. Core Electrical Measurement Parameters Table
Parameter item Standard specification
Detected gas CO - Carbon Monoxide
Measurement range 0 - 500 ppm
Sensitivity 70 nA/ppm ± 20 nA/ppm (standard working condition at 20℃)
Zero current < 150 nA in clean air
Resolution < 3 ppm
Bias voltage 0 mV (no external bias required, simple circuit design)
Linearity Full scale error < 5%
Response speed t50 < 10s; t90 < 30s
Long-term drift 6 months sensitivity attenuation < 10%
Recommended load resistance 10Ω
Environmental tolerance specifications
Operating temperature: -40℃ ~ +50℃
Operating humidity: 15 - 90% RH, no condensation (humidity does not affect the baseline zero point, stability is strong in humid environments)
Pressure range: normal pressure ± 10%
Expected service life: > 4 years; original factory warranty 24 months
Storage life: Sealed original packaging can be stored for 12 months
III. Product core advantages
Three-electrode structure: Working electrode + Reference + Counter electrode, strong anti-interference ability, suppresses cross-interference of H₂, NO₂, SO₂, and has extremely low false alarm rate.
Humidity zero drift characteristic: Switching between high and low humidity does not cause zero point offset, stable operation in garages, underground areas, and humid workshops
Miniature MINI packaging: Small in size, compatible with 4-series / 7-series standard sensor bases, can be integrated into small handheld detection instruments
Ultra-long life: 4-year service life under normal conditions, significantly reduces the cost of equipment maintenance and replacement of chips in the later stage
Factory pre-calibration: Good consistency, no need for individual adjustment for batch installation, compatible with 4-20mA transducer boards for use
Specifications:
| Volume concentration | 0 - 500PPM |
| Operating Temperature and Humidity | -40℃ to +50℃ |
| Service Life | ≥ 4 years |
| Response Time | t90 < 30s |
| Sensitivity | 70 nA/ppm ± 20 nA/ppm |
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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