6800C System

6800C QHR Standard

  • Cryogen Free
  • System Accuracy to < 0.02 ppm
  • Built-in Rxx (uVolt) Measurements in ADCC Bridge
  • Built-in Rxx (nVolt) Measurements in ADCC Bridge
  • 9 Tesla Standard System Magnet
  • Up to 14 Tesla Available
  • No Liquid Helium Required
  • Stable Controlled Sample Environment
  • Temperature Range 1.3 K to 300 K
  • Low Operating Costs
  • Direct Transfer to 1 kΩ and 10 kΩ Standards
  • System Range 0.1 Ω to 100 kΩ
  • Graphene Compatible
  • Features AccuBridge® Technology
  • Dual Sample Probe
6800B QHR System

6800B QHR Turn-key System with Helium Re-Liquefaction

  • Accuracy to < 0.02 ppm
  • Features AccuBridge® Technology
  • Built-in Rxx (uVolt) Measurements for Sweep Check, Contact Resistance Measurements
  • Built-in Rxy (nVolt) Measurements for Dissipation Measurements
  • Direct Transfer to 1 kΩ and 10 kΩ Std
  • System Range 0.1 Ω to 100 kΩ
  • Helium Recovery System Feeds the Cryostat Boil-Off Directly to the Helium Re-Liquefier
  • Average Liquefaction Rate of 20 Litres/Day
  • Power Failure Battery Backup Detection
  • Built-in Safety Shutdown Feature
  • Fully Automated Build Up or Build Down from QHR Value
  • Manual or IEEE-488 Controlled
  • 8 Tesla or 9 Tesla Magnet
  • Room Temperature DCC Requires no Liquid Helium to Operate
  • Sample Interchange Design
  • System, Bridge, Samples Calibrated/Verified by NMI
  • Graphic Compatible
  • 6800B Chosen By NIST For Graphic Research Collaboration