Designed with pipeline surveys in mind, MicroMax portable instruments are durable, simple to use and easy to transport.


Find Your MicroMax

Current Interrupters

GPS300 – This NACE award-winning interrupter has a built-in keypad and LCD display, and is designed to fit inside most rectifier cabinets.  

GPS350 – The GPS350 delivers all the features of the GPS300 plus an integrated solid-state relay.

GPS360 – Get all the features of the GPS300 and GPS350, plus a built-in, rechargeable battery that provides 60 hours of continuous interruption.

Soil Resistivity and pH Meter

SRM100 – Use this meter to simultaneously measure soil resistivity and pH in less than two minutes.

Coupon Test Station

Triton® Triple-Coupon Test Station – Choose the Triton for AC and DC coupons plus a stationary reference electrode all in an integrated package that's easy to install in any location.

MicroMax Accessories

Our MicroMax accessories include a range of antennas and cables.

Featured product

MicroMax GPS360 Current Interrupter

Weighing in just over three pounds, the GPS360 fits inside most rectifier cabinets, and can interrupt up to 100 amps for 60+ hours without a power source:

  • Work faster
  • Enhance performance
  • Improve accuracy

Features include a built-in normally closed solid-state relay, flexible interruption schedule and ruggedized construction that stands up to tough conditions. With an integrated keypad and LCD screen, it's easy to use too. Just program it directly or choose from one of the nine interruption programs you can build into the unit.

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