GUILDLINE’S NEW 6640T SERIES OF TEMPERATURE BRIDGES are redesigned to provide better uncertainties, faster measurement rates and more operational capability.


  • Best Accuracy: ± 0.015 ppm with 1 mA of Current
  • Linearity: < ± 0.005 ppm of Full Scale
  • Patented Toroid Design Specifically for Temperature Measurement Applications
  • Measurement Rates Fast as 2 Seconds
  • First Measurement in < 10 Seconds
  • Built-in Windows 10 Computer and Touch Screen Display Providing Complete Measurement Results and Graphs
  • System Control via USB, Network, or IEEE
  • Widest Available Resistance Range up to 100 kΩ
  • Full Pre-Heat and Individual Channel and Current Control with Model 3210
  • Modular Design, Expandable Capabilities
  • Full 10.5 Digits (0.1 ppb) Display Resolution
  • Change All Key Parameters “On-the-Fly” While the Measurement is Running
  • Wide Range of Ratios: 0.1:1 ~ 13.4:1
  • Available USB Ports for Data Collection and/or Ancillary Items Such as Hard Drives, Mouse, Keyboard, etc
  • BridgeWorksTM Data Acquisition Software
  • Unique Calibration Support Strategy
  • Complete Measurement Systems Available!