Thermal Desorber Sampling System

Trace Level Quantitative VOC Analysis


Product configurator

Gemini™ MxG5xx

Sensor version
Ionization chamber
Emmision current
Flange connection to vacuum chamber
Switching function
Electrical connection
Digital interface
Analog output signal
Your configuration
Gemini™ MxG5xx
Switching functions
Electrical Connection
FCC, 8-pin
Digital Interface
Measurement range
1.2 - 8.68 V
Personal information
Gemini™ MxG5xx
Gemini™ MAG500
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The Thermal Desorber Sampling System (TDSS) expands the air sampling sensitivity of the field-proven, person-portable HAPSITE ER Chemical Identification System. The accessory is easily attached to the HAPSITE ER Universal Interface for fast sample analysis utilizing the GC/MS or MS only. Small and lightweight, the Thermal Desorber (TD) sampling pump can go virtually anywhere and collect samples for a user-defined period of time, providing the utmost flexibility in detection and identification capabilities. The TDSS allows for the collection of trace level volatile organic compounds (VOCs) in multiple sampling locations for fast quantitative analysis right at the scene.


  • Quickly analyzes samples collected from remote locations
  • Intrinsically safe sampling pump samples can be collected in potentially explosive environments
  • Optional person-portable sample pump can be worn for breathing zone monitoring
  • TD Survey analytes can be sent directly to the mass spectrometer, by-passing the gas chromatograph, for chemical identification in minutes
  • TD Quantitative methods included on HAPSITE ER
  • Sampling pump volume can be set from 20-225 ml/min


Thermal Desorption TubesGlass, fritted ¼" (6.35 mm) O.D. x 3.5" (89 mm) long Preconditioned and stored in a sealed storage container Adsorbents: Single and multi-bed Tenax® and Carbon adsorbents Sampling flow rate, typical range 10-200 ml/min
Thermal Desorber Sampling System Pump (optional)
Intrinsically SafeYes
Flow Rate20 to 225 mL/min
Spare Parts
Part NumberDescription
934-710-G1Thermal Desorber Tube Kit
934-448-P1Thermal Desorber Tenax Tube Kit
934-449-P1Thermal Desorber Carbon Tube Kit
Part NumberDescription
934-296-G1Thermal Desorber Accessory, HAPSITE ER
934-450-P1Ship Case, Thermal Desorber
934-709-G1Thermal Desorber Pump Kit
934-467-P1Sample Pump, Thermal Desorber
934-469-P1Universal Battery Charger USB Kit
934-448-P1Thermal Desorber Tenax Tube Kit
934-710-G1Thermal Desorber Tube Kit
934-449-P1Thermal Desorber Carbon Tube Kit
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