Extech CL500 [CL-500] Free and Total Chlorine Meter


  • ManufacturerExtech
  • Product Code: CL500
  • Availability: Pre-Order

  • Rp0



Extech CL500 Free And Total Chlorine Meter Details

Made for use in measurements of discharge water from water treatment plants, public drinking water and cooling towers and free chlorine measurements in swimming pools and other cooling water applications, the Extech CL500 provides accurate, fast measurements of free and total chlorine from 0.00 to 3.50ppm.


The CL500 can be used to measure total residual chlorine in all forms, including dissolved free chlorine, chloramines, hypochlorous acid and hypochlorite ion. To use, a sample of the water is inserted into a testing bottle along with a reagent tablet; the CL500 then measures the overall content of chlorine via its built in electrode.


Measurements taken using this chlorine meter are carried out with a high degree of accuracy (0.02ppm@1.00ppm) and with resolution of 0.01ppm. The method of measurement is approved by the U.S Environment Protection Agency (EPA) as an acceptable method for wastewater compliance monitoring of total chlorine levels.


Extech CL500 Free & Total Chlorine Meter Key Features

Uniquely designed meter for measuring free and total chlorine levels

Measures content from 0.00 to 3.50ppm

Uses electrode and reagent tablets to measure a water sample

Approved for use by the EPA

Easy to use and maintain over a time period

High accuracy and excellent resolution

Self-calibration ensures accuracy of the CL500 over a time period

Fast response gives quick measurements

Measures all types of total chlorine including free chlorine, chloramines, hypochlorous acid and hypochlorite ion

Data hold function temporarily stores the last value taken

Data recording of MIN/MAX readings over a time period

Free or Total mode selection

Auto-power off when left idle for ten minutes conserves battery life

Low battery indication

What's Included?

Extech CL500 Free & Total Chlorine Meter

1.0ppm Free and Total Chlorine Standards

Zero Chlorine Standard

2 x Test Bottles with Covers

10 x Packs of Free and Total Chlorine DPD Powder

Cleaning Clotch

Hard Carrying Case

6 x AAA Batteries


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Tags: Chlorine Meter