K-40

Portable Multi-Gas Detector


This compact and user-friendly portable multi-gas detector, K-40, is designed for the continuous and simultaneous detection of combustible gases, oxygen (O2), and two other toxic gases.

The K-40 model is extensively utilised in environments that demand explosion-proof measures or are prone to toxic gas leaks, such as underground passages and the mining sector, ensuring the safety of workers and preventing damage to equipment.

The shell is made of high strength engineering plastics and composite anti-skid rubber: waterproof, dust-proof, and explosion-proof.

K-40 Main features


Natural diffusion sampling method and high-sensitivity sensor for superior sensitivity and consistent results. 32-bit built-in MCU for high reliability and self-adaptation ability.
Offers comprehensive functionalities with straightforward usability. Equipped with a large LCD for a more intuitive, comprehensive, and clear display.
Compact design, easy carrying. High strength engineering plastics and compound anti-slippery rubber; high strength, waterproof, dust-proof and explosion-proof.
Offers comprehensive functionalities with straightforward usability. 500pcs data records, can be contact with computer via software. Can print and store the data records, can make the data analysis.

K-40 Specifications



  • Precision Sensors

    Our portable gas detectors are equipped with state-of-the-art sensors that offer unparalleled accuracy in detecting a wide range of gases. From flammable gases to toxic pollutants, our devices provide precise measurements to keep you informed and safe.

  • Compact and Lightweight

    Designed for ease of use, our detectors are compact and lightweight, making them ideal for various industries, including oil and gas, manufacturing, chemical, and emergency response teams. Their portability ensures that safety is at your fingertips, wherever you go.

  • User-Friendly Interface

    The intuitive interface of our detectors simplifies the monitoring process. Users can easily navigate through settings, view gas concentrations, and receive alarms, ensuring a quick response to potential dangers.

  • Wireless Connectivity

    Stay connected and in control with the wireless capabilities of our gas detectors. Receive real-time data on your mobile device or computer, enabling remote monitoring and prompt decision-making to mitigate risks.

  • Long Battery Life

    Our devices are equipped with long-lasting batteries, providing extended operational time. The reliable power source ensures continuous monitoring, giving you peace of mind during long shifts or emergency situations.

  • Robust Construction

    Built to withstand challenging environments, AquaGas Pty Ltd’s portable gas detectors are constructed with durability in mind. They can endure harsh conditions, ensuring reliable performance in the field.

K-40 Measured Gases

EX, H2S, CO, O2


TARGET GASRANGELOW ALARMHIGH ALARMRESOLUTION
EX0~100%LEL20%LEL50%LEL1%LEL
H2S0~100ppm10ppm35ppm1ppm
CO0~1000ppm50ppm150ppm1ppm
O20~30%vol19.5%vol23.5%vol0.1%vol

Other gases needed, please contact us

K-40 System


When the measuring gas range exceeds the pre-set value, the detector will give flashing light, buzzer sound, vibration and screen display.

Accuracy: ≤±5% F.S.
Response Time: T9o≤60s
Working environment: -1050 95%RH (no dew)
Explosion-proof grade: Ex ib IIB T3 Gb
Protection Grade: IP66

K-40 – Tailored to TODAY’s requirements

Typical Applications


Industrial Settings

Protect workers in manufacturing plants, refineries, and chemical processing facilities from potential gas hazards.

Oil and Gas Exploration

Ensure the safety of personnel involved in exploration, drilling, and production activities by monitoring for flammable gases.

Emergency Response

Equip first responders with the tools they need to assess and address hazardous situations swiftly and effectively.

Environmental Monitoring

Safeguard the environment by detecting and monitoring gas emissions and pollution levels in real-time.


Compliance and Certification


The K-40 portable gas detector adhere to industry standards and are certified for use in various environments. We prioritise compliance with safety regulations, assuring our customers of the reliability and quality of our products.

Choose AquaGas Pty Ltd’s K-40 Portable Gas Detectors to elevate your safety protocols and protect what matters most – your people and the environment. Contact us today to learn more about our innovative solutions and how they can contribute to a safer, healthier future.

© Copyright - AquaGas Pty Ltd | ABN 46164822897. All Right Reserved