Single Gas Detector

Single Gas Detector: Vasthi Instruments are global leaders in manufacturing of Single 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 quintessential 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 processes.



Vasthi Single gas detector is a device which detects the presence of any gas within an area, usually as part of a safety system. This type of single gas detector equipment is used to detect a gas leak and interface with a control system so a process can be automatically shut down.Single gas detector can also sound an alarm to operators in the area where the leak is occurring, giving them the opportunity to leave the area. Single gas detector device is important owing to the fact that there are many gases that can be harmful to organic life, such as humans or animals.

Single gas detector individually we can provide gas detectors for the following gases:

  • Oxygen
  • Combustible Gases
  • LPG
  • Hexane
  • Hydrogen
  • Carbon Monoxide
  • Hydrogen Sulphide
  • Chlorine
  • Sulphur Dioxide
  • Ammonia
  • Hydrogen Chloride
  • Hydrogen Cynide
  • Nitric Oxide
  • Nitrogen Dioxide
  • Ethylene
  • Phosphine
  • Phosgene
  • Ozone And Many More


1. Advanced MCU control with low power consumption
2. Adjustable low and high alarm level
3. Adjustable calibrating level high concentration
4. Protection, self-test for the gas sensor
5. Low battery indication
6. Self-adjustment function
7. Visual and audible alarm with vibration
8. Advanced self-examination and self-renovation function
9. Password management to avoid wrong operation; explosive proof housing

Technical Specifications

Working principle:
Electrochemical or Catalytic sensor
Gas Detected :Combustible gas (CH4,C3H8,H2)and toxic Gas,oxygen,other rare toxic gas like ammonia, NO, PH3, NH3, NO2, HCN, SO2 etc Also available,can be specified by the customer in advance
Accuracy : ≤±2%F.S
Response time : T<30s Indication : LCD indicates the time and state indication of alarm ,fault and low voltage with LED
, sound, vibration
Operating environment:
Operating temperature :
-40° – 70°C (For combustible gas)-20°C-50°C (For toxic gas)
Humidity : <95%RH non-condensing
Operating voltage : DC3.7v(Li battery 1500mAh
Working time :>8h continuously
Charging time : 4h-6h
Sensor life : 2 years
Protection category : ip65
Weight : about 130 g ( including battery but without accessories)
Dimension : 100mm х 6mm х30mm