An older salinity scale is ppt (10-3)

Existing Santevia Gravity Water System owners due for a filter replacement

Specification Detail sku HI50021 Description Cal-Check solution for HI9813-6

Probe Length: 200mm / 8"

This 250 ml bottle of precision-grade calibration fluid maintains your testing equipment at peak performance

Hanna Phosphorus Ultra Low Range Checker HC Calibration Check Set - HI736-11 alkaline water system An older salinity scale isThe Phosphorus Ultra Low Range Checker HC Calibration Check Set provides a simple solution to validating the Phosphorus Ultra Low Range Checker HC HI736 that has a range of 0 to 200 ppb as phosphorus. This high quality set of standards is manufactured in our state of the art facility and comes supplied with a Certificate of Analysis. The Certificate of Analysis provides the lot number, reference values and expiration date for traceability when