Best 4 Gas Analyzer Automotive in 2025
Updated on June 2025
#1
Recommended
- 5-gas analyzer designed for evaluating vehicle emissions and performance, measuring key exhaust components including CO, CO2, NOx, O2, and HC.
- Packaged with a durable waterproof case, water trap, filters, and a stainless steel exhaust probe with a clip for easy attachment.
- Equipped with advanced sensors: electrochemical sensors for CO, O2, and NO, and infrared sensors for HC and CO2.
- Built with a tough ABS body and anti-slip rubber grip, offering water and dust resistance as well as explosion protection.
- Includes a 1-year limited warranty along with calibration and QA certificates, ensuring reliable performance tested in the USA.
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- 5-gas analyzer designed for evaluating vehicle emissions and performance, measuring key exhaust components including CO, CO2, NOx, O2, and HC.
- Packaged with a durable waterproof case, water trap, filters, and a stainless steel exhaust probe with a clip for easy attachment.
- Equipped with advanced sensors: electrochemical sensors for CO, O2, and NO, and infrared sensors for HC and CO2.
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#2
Value for Money
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- Analyzes carbon monoxide levels from motorcycle, forklift, automotive, and small gas engine emissions.
- Includes waterproof hard case, water trap, particle filter, and NOx filter to minimize cross-sensitivity errors; features a stainless steel probe with alligator clip for simple exhaust pipe attachment and high-temperature silicone tubing.
- Equipped with a high-range electrochemical sensor (0.00 to 2.00 %vol CO) and built-in micro-pump (0.5 LPM), offering a response time of less than 30 seconds.
- Designed with durable ABS material and anti-slip rubber grip; back magnet for easy mounting on vehicle panels for hands-free operation.
- Comes with a 1-year limited warranty, USA NIST calibration, and QA certificates, tested and verified in the USA.
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- Analyzes carbon monoxide levels from motorcycle, forklift, automotive, and small gas engine emissions.
- Includes waterproof hard case, water trap, particle filter, and NOx filter to minimize cross-sensitivity errors; features a stainless steel probe with alligator clip for simple exhaust pipe attachment and high-temperature silicone tubing.
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#3
14% Off
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- Point sampling capabilities for accurate measurements in confined spaces, with a flow rate of 0.5 LPM and USB recharge functionality.
- High-quality UK-made sensors for detecting Oxygen (O2), Carbon Monoxide (CO), Hydrogen Sulfide (H2S), and Combustibles (LEL), calibrated to US NIST standards.
- Adjustable alarms with audio, visual, and vibration alerts when preset gas levels are exceeded, featuring digital timestamps and logging.
- Durable construction from high-strength ABS with anti-slip rubber grip, waterproof, dust-proof, and explosion-proof to exceed Ex ib IIB T3 Gb standards.
- Backed by a 1-year limited warranty, includes calibration and QA certificate, and features a fast customer support response time.
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- Point sampling capabilities for accurate measurements in confined spaces, with a flow rate of 0.5 LPM and USB recharge functionality.
- High-quality UK-made sensors for detecting Oxygen (O2), Carbon Monoxide (CO), Hydrogen Sulfide (H2S), and Combustibles (LEL), calibrated to US NIST standards.
- Adjustable alarms with audio, visual, and vibration alerts when preset gas levels are exceeded, featuring digital timestamps and logging.
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#4
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- Built-in pump and 4-foot probe with high-quality electrochemical sensors for detecting Oxygen, Carbon Monoxide, Hydrogen Sulfide, and Combustibles. NIST traceable calibration from Los Angeles.
- Color display with graph functions for intuitive operation.
- Data logging capability includes storage for 1200 alarm records.
- Durable construction with high-strength ABS and anti-slip rubber; resistant to water, dust, and explosions.
- Includes 1-year limited warranty, calibration and QA certificate, and thorough testing for quality assurance.
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- Built-in pump and 4-foot probe with high-quality electrochemical sensors for detecting Oxygen, Carbon Monoxide, Hydrogen Sulfide, and Combustibles. NIST traceable calibration from Los Angeles.
- Color display with graph functions for intuitive operation.
- Data logging capability includes storage for 1200 alarm records.
- Durable construction with high-strength ABS and anti-slip rubber; resistant to water, dust, and explosions.
- Includes 1-year limited warranty, calibration and QA certificate, and thorough testing for quality assurance.
#5
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- Confined Space Monitor with integrated detector and pump, calibrated to USA NIST standards.
- Color display with graph functions for intuitive user operation.
- USB data logging capability, storing up to 500 alarm records.
- Durable construction with high-strength ABS, featuring anti-slip rubber grip; waterproof, dust-proof, and explosion-proof (Exib IIB T3 Gb).
- Includes 1-year limited warranty; comes with calibration and QA certificate; fully tested and verified in the USA.
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- Confined Space Monitor with integrated detector and pump, calibrated to USA NIST standards.
- Color display with graph functions for intuitive user operation.
- USB data logging capability, storing up to 500 alarm records.
- Durable construction with high-strength ABS, featuring anti-slip rubber grip; waterproof, dust-proof, and explosion-proof (Exib IIB T3 Gb).
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#6
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- High-quality electrochemical sensors with USA NIST traceable calibration for O2, CO, H2S, and combustibles.
- Detection accuracy of ±5% F.S. with a response time under 30 seconds; includes zero and span calibration options.
- Features adjustable audio, visual, and vibration alarms with digital timestamps for alerts at preset levels.
- Durable construction with high-strength ABS, rubber grip, and resistant to water, dust, and explosions.
- Includes a 1-year limited warranty, calibration and QA certificate, and undergoes 100% product testing in the USA.
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- High-quality electrochemical sensors with USA NIST traceable calibration for O2, CO, H2S, and combustibles.
- Detection accuracy of ±5% F.S. with a response time under 30 seconds; includes zero and span calibration options.
- Features adjustable audio, visual, and vibration alarms with digital timestamps for alerts at preset levels.
- Durable construction with high-strength ABS, rubber grip, and resistant to water, dust, and explosions.
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#7
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- Gas tester instrument included
- Calibration in air with no moving parts
- No filters required for maintenance
- Accuracy of 0.5% C.O measurement at 15-25˚C
- Clear and simple instructions provided
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- Gas tester instrument included
- Calibration in air with no moving parts
- No filters required for maintenance
- Accuracy of 0.5% C.O measurement at 15-25˚C
- Clear and simple instructions provided
#8
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- Color display with graphing capabilities
- Measures Oxygen (O2), Carbon Monoxide (CO), Hydrogen Sulfide (H2S), and Combustible gases (LEL)
- Features 4 gas detection with USA NIST factory calibration
- Durable construction using high-strength ABS with anti-slip rubber grip
- Includes a 1-year limited warranty, calibration, and QA certificate
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- Color display with graphing capabilities
- Measures Oxygen (O2), Carbon Monoxide (CO), Hydrogen Sulfide (H2S), and Combustible gases (LEL)
- Features 4 gas detection with USA NIST factory calibration
- Durable construction using high-strength ABS with anti-slip rubber grip
- Includes a 1-year limited warranty, calibration, and QA certificate
#9
15% Off
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- Detects four gas types (H2S, CO, LEL, O2) for enhanced workplace safety, with a battery life of up to 14 hours for prolonged monitoring.
- Constructed from waterproof and dustproof ABS plastic, the device is designed for durability and includes a back clip for easy portability.
- Features triple alarm modes (LED, vibration, sound) that activate within 30 seconds of detecting gas, with a record storage function for monitoring data retrieval.
- Certified by international safety standards, ensuring reliability and accuracy in diverse working conditions.
- Includes gas detector, user manual, charging cable, and standard gas hood, suitable for various applications including industrial, agricultural, and residential use.
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- Detects four gas types (H2S, CO, LEL, O2) for enhanced workplace safety, with a battery life of up to 14 hours for prolonged monitoring.
- Constructed from waterproof and dustproof ABS plastic, the device is designed for durability and includes a back clip for easy portability.
- Features triple alarm modes (LED, vibration, sound) that activate within 30 seconds of detecting gas, with a record storage function for monitoring data retrieval.
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#10
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- Gas detector measures CO, O2, H2S, and combustibles. Includes Calibration Certificate and initial access password "4321".
- User-friendly manual and large display for gas concentrations. Features settings for channel, alarm, calibration, time, and device info, along with gas type records.
- Equipped with a 3000mAh lithium battery, providing over 8 hours of standby time. Package includes multiple accessories for convenience in usage.
- Response time of less than 30 seconds with audible, visual, and vibration alarms for safety warnings in hazardous environments. Sound can be muted during alarms.
- Durable design with a sturdy back clip and high-strength materials, ensuring waterproof, dust-proof, and explosion-proof protection for reliable use.
- Suitable for various industries including petroleum, chemical, metallurgy, and agriculture. One-year quality guarantee provided.
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- Gas detector measures CO, O2, H2S, and combustibles. Includes Calibration Certificate and initial access password "4321".
- User-friendly manual and large display for gas concentrations. Features settings for channel, alarm, calibration, time, and device info, along with gas type records.
- Equipped with a 3000mAh lithium battery, providing over 8 hours of standby time. Package includes multiple accessories for convenience in usage.
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