# K162471: Hach CM130 Chlorine Monitoring System

- Pathway: 510(k) (Traditional)
- Applicant: Hach Company
- Decided: Mar 30, 2017 after 205 days
- Product code: PSX (Chlorine Meter)
- Device class: 2
- Regulation: 21 CFR 876.5665
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 1 generation back to K983997 (1999). 1 ancestor in all.
No later device cites it as a predicate yet.
0 of 2 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K983997: Sterichek Total Chlorine Test Kit, Environmental Test Systems, Inc. (1999) Summary page 4.

## Indications for use
The Hach CM130 is an instrument that is intended for use by hemodialysis professionals to automatically monitor low levels of total chlorine (i.e. total chloramines plus free chlorine) in feed water used to prepare dialysate in hemodialysis systems. The CM130 is a component of the complete water treatment system for hemodialysis and does not treat or alter the water used in dialysate. The CM130 instrument’s automated monitoring records total chlorine values in feed water at intervals between 5 and 20 minutes.

Source page: https://510kreport.com/device/K162471
Methodology: https://510kreport.com/methodology