Agilent Technologies 6850 Series II GC System


6850 Series II GC System

The Agilent 6850 Series II GC is an excellent choice for any laboratory where bench space, ease of use, and independent channel flexibility are important. In half the footprint of a standard dual-channel GC, this single-channel workhorse can at least double productivity by allowing two GCs in the space of one and significantly reducing cycle times due to fast oven heat-up and cool down. You get all the capability and reliability you need for routine GC analyses in an instrument that has the same proven performance of Agilent’s 6890N GC and the 6890N inlets and detectors.
6850 Series II GC System
Temperature Range 15 to 35 °C (ambient operating temperature)
Detector Flame Ionization Detector, Thermal Conductivity Detector (Detectors include EPC)
GC System Type Micro
Humidity 5% to 95% Ambient operating
Depth 568 mm
Height 490 mm to FID cover top
Width 283 mm
Weight 29 kg (max.)


  • A versatile autosampler that can accommodate 27 2-mL vials or 22 4-mL vials (using an optional turret accessory)    
  • Built-in control of either the 7683A or 7683B autoinjector with the 8-sample turret    
  • State-of-the-art performance for unsurpassed retention time and quantitation repeatability    
  • Electronic pneumatics control, allowing all pressures and flows to be programmed into the method    
  • A choice of split/splitless, 150-psi split/splitless, packed, cool on-column, or PTV inlets    
  • A choice of flame ionization detector, thermal conductivity detector, flame photometric detector, micro electron capture detector (currently available in the U.S. only), or a 5975C mass selective detector    
  • Three channels of auxiliary EPC, each providing 0-100 psi pressure control    
  • Early maintenance feedback (EMF) alerts you when maintenance is due--in enough time to take action without losing uptime    
  • A choice of rotary or diaphragm valve    
  • Fast GC for better control of production processes    
  • Flip Top inlet sealing system, a quick-release inlet sealing system for use with inlet temperatures up to 350 degrees C    
  • The only high-performance GC to meet the EN 50082-2 standard for industrial use    
  • Various control options: the front panel, Cerity NDS for chemical QA/QC, ChemStation Plus base software, the GC’s hand-held controller, or an integrator    




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TCD Checksum Parity Error

Anyone encounter this error message?

oven sensor missing

GC 6850, by the message that appears on the front of the GC and the temperature value reported on the window ON-LINE ChemStation (0 ° C) hypothesize that the temperature sensor (thermocouple) is broken. If so, how do you replace it? Thank you.

6850 Network GC; resetting GC serial number w/o Controller

How do you reset the GC serial number after replacing the main board if you don't have a handheld controller?

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