Defiant FROG 4000 (Air)
Product Brief
Defiant FROG 4000 Gas Chromatograph Platform w/ Air Sampler $675 $1,575 $4,500
Calibration Fee* Call for Pricing

*The FROG 4000 MUST be calibrated before use. A calibration fee will apply to EVERY rental. This price varies based on requested turn around time (1, 2, or 3 days) Please contact your custuomer service rep for more information. 

Defiant Technologies’ FROG-4000TM is a handheld micro-system for detection of benzene, toluene, ethylbenzene, xylenes (BTEX), and other volatile organic compounds (VOCs) in water, air, and soil.

  • Designed for real-time portable analysis of VOCs in water, soil, and air
  • Can be used as a portable GC PID for environmental testing in the field, in a mobile lab, in a portable lab, or in a commercial environmental lab
  • System has a micro pre-concentrator, micro-gas chromatographic (GC) column, and a photoionization detector (PID)
  • FROG-4000 scrubs ambient air to use as the carrier gas
  • Display provides VOC identification and concentration
  • SD card stores field analyses
  • Chromatography software for data analyses

Chemical Capabilities

  • BTEX
  • TCE
  • PCE
  • Benzene
  • Pharmaceutical VOCs
  • Non-methane organic compounds (NMVOCs)
  • VOC priority pollutants
  • Hazardous air pollutants (HAPs)
  • Other VOCs


  • Groundwater monitoring
  • Surface water monitoring
  • Vapor intrusion monitoring
  • Soil vapor extraction process monitoring
  • Soil vapor monitoring
  • Soil monitoring
  • Environmental remediation
  • Site characterization
  • Adaptable for IAQ
  • Process monitoring


  • Dimensions: 10 x 7.5 x 14.5 inches
  • Weight: 4.8 lbs.
  • Display: 2.1” x 0.75” LCD
  • Cycle time: 5 minutes
  • Carrier gas: None (ambient air is carrier gas)


  • Six hours on rechargeable NiMH 5000 mAhr battery or external 9V, 3A power supply
  • Computer interface
  • Standard RS-232 port or USB