Quick view HM Digital HM Digital ORP-200 Waterproof ORP Meter MSRP: $110.00 $77.00 ORP-200: Waterproof ORP Meter Ideal for all ORP testing, including anti-oxidant measurement, water purification applications, ionizers, agriculture, aquariums & aquaculture, chlorine monitoring,... MSRP: $110.00 $77.00 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: $44.00 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: $44.00 Add to Cart The item has been added Add to Wish list Compare
Quick view HM Digital COM-100 Waterproof EC / TDS / Temperature Combo Meter MSRP: $64.95 $54.00 Ideal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology... MSRP: $64.95 $54.00 Add to Cart The item has been added Add to Wish list Compare
