Auto shut off after 8 minutes of non-use

Simple One-Point Calibration: Calibrate with distilled or deionized water — no complex multi-point calibration required

Sensor: Dual

Whether you're carrying water from a source like a spring

250 hours of continuous use

Milwaukee MW12 Digital Phosphate Tester Culligan WHR-140 Shower Filter Replacement Cartridge Auto shut off after 8DESCRIPTION The Milwaukee MW12 Phosphate Photometer lets you go digital with your testing. No more hit and miss testing with strips. Great for aquariums, aquaculture & coral, labs, water treatment, classroom and more. This meter is also ideal for educators that want their students to learn the basics of water quality analysis to apply in the real world. Simply add the reagent and get a digital reading accurate to 0. 04 ppm within minutes. DESIGN