Quick view HM Digital HM Digital ORP-200 Waterproof ORP Meter MSRP: $245.59 $171.91 ORP-200: Waterproof ORP Meter Ideal for all ORP testing, including anti-oxidant measurement, water purification applications, ionizers, agriculture, aquariums & aquaculture, chlorine monitoring,... MSRP: $245.59 $171.91 Add to Cart The item has been added Add to Wish list Compare
Quick view HM Digital ORP Buffer Solution and Electrode Test Kit MSRP: $42.31 ORP Buffer Solution and Electrode Test Kit HM Digital's pH buffer solution comes in powder form, so it's lightweight, takes up very little space, is inexpensive and has an indefinite shelf... MSRP: $42.31 Add to Cart The item has been added Add to Wish list Compare
Quick view HM Digital HM Digital Replacement Sensor for ORP-200 MSRP: $98.23 The HM Digital Replacement Sensor for ORP-200 is designed to restore and enhance the performance of your ORP-200 meter. This high-quality replacement sensor ensures accurate and reliable measurement... MSRP: $98.23 Add to Cart The item has been added Add to Wish list Compare
