Portable VOC monitor

What is a VOC?

Volatile organic compounds, or VOCs for short, are a myriad of naturally occurring and artificially manufactured chemicals found everywhere. These compounds are considered volatile because they vaporise at the earth’s natural temperature and release molecules into the air. Common industrial solvents like trichloroethylene (TCE), fuel oxygenate like methyl tert-butyl ether (MTBE), and by-products of chlorination in water treatment like chloroform, benzene, ethylene glycol, formaldehyde, methylene chloride, tetrachloroethylene, toluene, xylene, and 1,3-butadiene can be termed VOCs. 

, VOCs are crucial in the manufacturing of various household products like cleaning liquids, arts and crafts products, air fresheners, cosmetics and deodorants, office printers, and copiers. They form the components of many synthetic materials, such as plastics, rubbers, adhesives, paints, etc. They are widely used in the production of pharmaceuticals and fuel for transport and heating.

Studies show that VOC concentrations are more likely to be higher indoors than outdoors. Most VOC sensors are continuously triggered during the night. This is a result of a spike in carbon monoxide (CO) levels from industrial emissions, water heaters, furnaces, and even indoor products like emulsions, wood burning stoves, tobacco smoke, etc. While in storage and usage, materials like paints, varnishes, cleaning products, disinfecting products, etc. release organic compounds.

Short-term exposure to volatile organic compounds can cause eye, nose, and throat irritation. Long-term exposure, even at very low concentrations, may damage the liver, kidneys, and central nervous system, and can even cause cancer. Therefore, accurate sensing of VOC levels is critical for protecting people, and the environment, and optimising industrial processes.


Our volatile organic compound detectors are designed to be used in a multitude of industries and applications to detect gas or vapor. Here are some examples where Vasthi VOC monitors are applicable,



Oil & gas                                                           

Air Quality


Fence Line Monitoring

Pharmaceutical and medical            

Fugitive Monitoring

Food & beverage         

Industrial Health and Safety

Universities and laboratories            

HVAC & Building Control

Government & Defense         



Leak Detection


Power Storage


Solar farms


Li-ion Battery Monitoring


Site Investigation


Fertility & Clandestine labs


Emergency Response






Ordering information:


V2 - 1

V2- 2 

V2 - 3

IE Benzene




IE Butadiene




IE Xylene




IE Methyl Bromide




IE Hydrogen Sulphide




IE Ethanol




IE Ammonia




IE Isopropanol




IE Hexane




IE Dichloromethane



IE Formaldehyde



IE Methanol



About Vasthi:

Vasthi Instruments is a leading Indian manufacturer of gas detectors. Our humidity-resistant PID sensor technology is trusted by major global users for the fast, accurate detection of volatile organic compounds (VOCs).

Display TFT Capacitive Touch Display
Sampling Method Auto Suction with In-built high capacity pump
Sensor PID
Zero Calibration User friendly ZERO Calibration function
Span Calibration User friendly SPAN Calibration function
Real time clock Time and Date with location save facility
Storage Temp -5 to 50C
Blurtooth Can connect any printer to get instant print of flue gas analysis
USB User can download the history data anytime using USB
Interface Vasthi interface software
Battery 3.7V/3000 mAh/ 12 hours continuous
Main Power Supply Mini USB 5V
Enclosure ABS IP 65
Dimensions Check drawing
Weight 450 grams
Digital Interface USB
Printer or Data Communication Optional Wireless Bluetooth Smart Printer
Model V2 - 1, V2 - 2, V2 - 3


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