Welcome to Bentech Systems. We are a Security Equipment and Services Company that has been operational since 2005. We offer a range of security services to different organizations.


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Real-Time Detection and Diagnostic Sensors for Food Screening and Inspection

CHEMSENSE is a pocket detector that uses HF-QCM nanotechnology sensors designed to detect and identify a wide range of food contaminants in less than 5 seconds.

CHEMSENSE provides food manufacturers, QA, QC personnel and consumer businesses with the latest sample analysis capabilities uniquely developed to address the global problems of food contamination with specific operational requirements, such as farm outdoors and manufacturing floor temperatures.

These enhanced capabilities enable to address an expanded range of users required to inspect incoming raw materials, improve the process monitoring and control the food freshness and standardization.

CHEMSENSE enables to detect potential problems before the food is consumed while reducing the dependency and waiting time for external laboratories.


  • Features & Benefits
  • Specifications
  • Pricing

High-Frequency Quartz Crystal Microbalance Sensors (HF-QCM).
No gas carrier. No radioactive source.

Sample Acquisition

Sample acquisition via the detector nozzle supplied with different types of sampling tips.

Contaminants Detected

Wide range of chemical contaminants and spoiled food.
Specific contaminants can be customized upon customer specifications.


Low parts per million (ppm) range.

False Alarm

Less than 3%.

Warm-Up Time

Less than 10 seconds.

Analysis Time

Less than 5 seconds.

Operating System

Via Android 4.3 and IOS7.

Data Transfer

Bluetooth, Micro USB Port.

Alarm Type

Audio and visual, with substance identification.

Multi-Language Support

English, French, Spanish, Italian, Portuguese, German, Polish, Russian, Chinese, Korean, Japanese, Arabic and others.

Data Storage

Unlimited data logging, including time, date, sample analysis and system status.


Rechargeable Lithium-Polymer 3.7V 240mAh battery with up to 5 hours of field operations.


50 gr. including battery.


(L x W x H): 4.10” x 1.21” x 1.07” (10.40 x 3.08 x 2.71 cm).

Operating Temperature

20℉ to 130℉ (-7℃ to + 54℃), less than 95% relative humidity.


Carrying Case

Supplied with a carrying case enabling the protection of the detector and associated sampling probes.


CE Mark and EMC Certification.
ISO 9001:2015 Manufacturing Standards.

Sensor Technologies

High-Frequency Quartz Crystal Microbalance Sensors (HF-QCM)
No gas carrier. No radioactive source

Sample Collection

Trace Particles and Vapors

Trace Particles Sample Collection

Sample collection and a surface swipe of trace particles with sampling swabs

Vapor Samples Collection

Vapor sample collection with a portable and battery-operated Vapor Sampler; supplied with two types of sampling probes and a DC charger


Particle: low nanogram (ng) range
Vapor: low parts per million (ppm) range

Explosives Detection

• Military and plastic explosives, including TNT, Tetryl, RDX, C4, PETN, Semtex, HMX, Datasheet, Nitroglycerine, and others*
• Peroxide-based explosives, including: TATP, HMTD, and others
• Nitrate-based explosives, including: Ammonium Nitrate, Urea Nitrate, and others
• Propellants and Taggants, including: Black and Smokeless Powder, EGDN, and others**
* Additional explosives as per expandable threat library
** Programmed threat substances depend on detector version and regulatory authority

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+254 722 736879

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+254 722 736 879 +254 723 628 455


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