MicroMax Instruments

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

SRM100 Soil Resistivity and pH Meter

The SRM100 simultaneously measures soil resistivity and pH in less than two minutes, letting you:

  • Work faster
  • Improve accuracy
  • Lower your costs

Features include three probe options, a crush proof and water resistant case, digital circutry that allows for repeatable readings with improved accuracy, self-calibration functionality, an LCD display, and accessible batteries for easy replacement. 

Learn More

Get the Latest MicroMax News

Subscribe to our quarterly newsletter and be the first to know when we issue new MicroMax products and other resources.