This G90 4-1 Multi-Gas Detector is a portable detection instrument that can be equipped with single or multiple gas sensors to detect various gases depending on the sensor types. The product can continuously monitor the concentration of gases in the ambient air, effectively ensuring the safety of workers and preventing damage to production equipment. This product is compact, easy to operate, convenient to carry and has good vibration resistance. lt uses high-resolution dot matrix LCD display technology, providing a more intuitive and clear display.
It's suitable for use in areas with explosive gas mixtures of zone 1 and 2 with categories ll A, ll B, ll C, and temperature groups T1 to T4: dust-tight enclosures are used for zone 21 and 22.
The G90 is a compact and versatile portable gas detector that supports single or multiple gas sensor configurations. Designed for continuous monitoring of ambient air, it helps protect personnel safety and prevent equipment damage across a wide range of industries.
Flexible gas detection: supports 1–4 gases standard, up to 5 gases (customized)
Detects common gases such as Combustible gas, CO, O₂, and H₂S
High-sensitivity sensors with excellent repeatability and stability
Natural diffusion sampling for reliable real-time monitoring
Display & Alarm
High-resolution dot matrix LCD for clear and intuitive readings
Triple alarm system: sound, light, and vibration
Real-time display of gas concentration and device status
Data & Connectivity
Built-in storage for up to 300,000 records
Data upload to computer for analysis and record management
Easy access to alarm history and logs
Durable & Industrial Design
IP68 protection: waterproof, dustproof, and rugged
High-strength housing with anti-slip rubber coating
Shock-resistant and designed for harsh environments
Performance Highlights
Fast response (T90 ≤ 30s) with high accuracy
Low power consumption with embedded MCU control
24-hour ultra-long standby time
Rechargeable 2000mAh Li-ion battery, ≤4h charging
Widely used in chemical plants, pharmaceuticals, municipal works, water treatment, telecommunications, laboratories, cold storage, brewing, and more.
Compact, durable, and highly reliable—G90 is built for demanding gas detection environments.
