Fixed Dual Gas Detector

Vasthi Instruments are global leaders in manufacturing of Fixed Dual Gas Detector and have been supplying instruments to customers worldwide, Our multidisciplinary team of scientists, physicians, engineers, and regulatory consultants with decades of global experience brings you the quint essential mechanism that provides complete safety accuracy and durability.

Vasthi Instruments was formed with visionary thinking and innovative ideas resulting in innovative products and solutions. We enhance our product quality by the continuous process of research and development. We have WIDE range of models to suite various site conditions and process.


Vmux 60 fixed dual gas detector is used to detect dangerous places where oxygen, flammable gas, carbon monoxide, and hydrogen sulfide leak. Using an ElectroChemical sensor is used. It has the advantages of stable signal, high precision, explosion-proof structure design, real-me display of oxygen, flammable gas, carbon monoxide, and hydrogen sulfide concentration, etc. Customized range and output signal according to actual demand can ensure uninterrupted operation under harsh working conditions.


1. Advanced microprocessor technology and high stability
2. Adopting imported sensors, fast reactions, and high accuracy.
3. On-site LCD screen real-time display of gas concentration
4. Explosion-proof design, structure and Die-cast aluminum Shell
5. DC power supply
6. The output signal can be selected according to the actual demand.
7. Optional Combination of Explosion-proof alarm light
8. Low maintenance costs

Technical Specifications

[vtftable ]
Detection Gas;;;Range;;;Accuracy;;;Minimum Reading;;;Response Time;;;Sensor;nn;
Explosure;;;0-100%LEL;;;<±5%(F.S);;;1%LEL;;;≤15s;;;Catalytic Or NDIR;nn;

[vtftable ]
Power supply;;;12-30V DC power supply;nn;
Detection method;;;Diffusion ;nn;
Display mode;;;LCD screen;nn;
Output signal;;;1.Standardized 3-wire 4-20 mA analog signal output{;n}2. Relay Switch Signal Output{;n}3. RS485 bus output (optional);nn;
Connection mode;;;M20*1.5 positive thread explosion-proof hose;nn;
Specification of cable;;;RVVP 3 x 1.0mm2;nn;
Shell Material;;;Die Cast Aluminum;nn;
Explosion-proof sign;;;Ex dIICT6;nn;
Protection Level;;;IP65;nn;
Working temperature;;;-10 55 C;nn;
Working humidity;;;<90% RH;nn;