ADT286 Multifunction Reference Thermometer

November 01, 2019




The Additel 286 Multifunction Reference Thermometer Readout is an industry first! Additel have combined the capabilities of a high-end reference thermometer with a highly capable data acquisition system and 8.5-digit multimeter. The ADT286 is capable of scanning and recording up to 82 channels at 10 channels per second. Users can easily configure the ADT286 to perform field calibrations and uniformity studies as well as use the unit in the lab as a precision thermometer and 8.5-digit multimeter. Get more for less with this newest game changer from Additel!


ADT 286 Multifunction Reference Thermometer Readout Scanner Modules

If you’re in need of a precision reference thermometer for your laboratory, then look no further than the Additel 286. The base unit comes with two precision readout channels that can be used to measure your SPRT. Need to calibrate RTDs, PRTs, thermistors or thermocouples? Add a scanner module and you now can measure 10 RTDs, PRTs, or thermistors and 20 thermocouples. Expand up to 82 channels with our unique easy to use scanner modules. Each 20-channel module is outfitted with our proprietary universal terminals with an industries best cold junction capability second to none. Utilise the module docked atop the ADT286 or connect remotely with cables to suit nearly any unique setup/configuration. Additel also has a process module specifically designed to measure process instrumentation like transmitters and switches. This scanner will also supply loop power for the transmitters.


Out of stock



  • Measure and calibrate SPRTs, RTDs, thermistors and thermocouples
  • 1 PPM resistance ratio accuracy (channel 1)
  • 8 1/2-digit DC multimeter
  • Measure up to 82 channels
  • Bluetooth, WIFI, USB& Ethernet (RJ-45) capable
  • Auto temperature control of Additel and other manufacture’s heat sources
  • Built-in automatic temperature control, data collection, and coefficient generation
  • Support for creating custom control of heat sources with RS-232
  • Auto – zero power feature (self-heating compensation)
  • 10.1 in. touch screen display
  • Supports fully automated temperature calibrations with data collection and report generation (no software required)


  • Petrochemical
  • Power
  • Metallurgy
  • Metrology
  • Pharmaceutical
  • Aerospace
  • Laboratory
  • Automatic sensor calibration
  • Chamber mapping
  • Heat source performance testing
  • Temperature calibration


ADT286 Product Data SheetADT286 User Manual