• SDL900
  • Manufacturer has 4 in stock
    This stock is typically available to ship in 3 - 5 working days.


  • Utilizes Hall effect sensor with ATC
  • Adjustable data sampling rate: 1 to 3600 seconds
  • DC milli Tesla range: 300 to 3kmT
  • DC Gauss range: 3k to 30kG
  • AC milli Tesla range: 150 to 1.5kmT
  • AC Gauss range: 1.5k to 15kG
  • AC bandwidth: 50Hz/60Hz
  • Uniaxial
  • Memory stores 99 readings manually
  • N pole/S pole indicator
  • Zero button for DC measurement
  • Data hold and min/Max
  • Auto power off with disable

What's in the Box

  • Uniaxial magnetic probe sensor with protective cover
  • SD memory card
  • Universal AC adaptor
  • 6 AA batteries
  • Hard carrying case

The Extech SDL900 AC/DC Magnetic Meter measures and datalogs both AC and DC Magnetic Field in Gauss and mT (milli Tesla) with a uniaxial Hall effect sensor and built-in ATC. Internal memory stores up to 99 readings, while SD memory card (included) allows continuous datalogging and readings can easily be exported to an Excel® format for further analysis.

Applications for the SDL900 AC/DC Magnetic Meter include:

  • Electric transmission equipment
  • Power line
  • Microwave oven
  • Air conditioner
  • Refrigerator
  • Computer monitor
  • Video/audio device
  • Particle accelerators
  • MRI
  • Industrial & research labs
  • Transportation Systems
  • Elevators
  • Battery Power
  • Wind Power