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EXTECH CL500 Chlorine Meter

The EXTECH CL500 offers precise measurement of free and total chlorine levels up to 3.50 ppm with a resolution of 0.01 ppm. It features an advanced optical system utilizing a narrow band LED lamp to ensure accurate and repeatable readings. The device employs a testing method adapted from EPA Method 330.5 for wastewater and Standard Method 4500-Cl-G for drinking water. It provides independent two-point calibration for both free and total chlorine, along with data hold and min/max record and recall functions. The CL500 requires only a 10 mL sample, has a large digital LCD display, and features a splash-proof front panel. It is battery-operated for field and on-site testing and includes an auto power-off function.

Authorized Distributors
Part No:CL500
Stock:0
Inv Date:06-06-2026
Price: N/A
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Part No:CL500
Stock:0
Inv Date:06-05-2026
Price: Unit price: $609
Buy/RFQ:
Part No:CL500
Stock:0
Inv Date:06-05-2026
Price: Unit price: $609
Buy/RFQ:
Part No:CL500
Stock:0
Inv Date:06-05-2026
Price: Unit price: $609
Buy/RFQ:
Part No:CL500
Stock:0
Inv Date:06-05-2026
Price: Unit price: $790
Buy/RFQ:
Part No:CL500
Stock:0
Inv Date:05-11-2026
Price: N/A
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EXTECH CL500 Chlorine Meter Specifications:

  • Range: 0.01 to 3.50 ppm
  • Resolution: 0.01 ppm
  • Accuracy: +0.02 ppm @ 1 ppm
  • Light source: LED, 525 nm
  • Method: Adaptation of USEPA Method 330.5 for waste water and Standard Method 4500-CI-G for drinking water
  • Response Time: <10 seconds
  • Dimensions: 6.1 x 3.0 x 2.4 inches (155 x 76 x 62 mm)
  • Weight: 11.3 oz (320 g)

Buy the EXTECH CL500 – Reliable Chlorine Meter for Industrial Applications

Purchase the EXTECH CL500 chlorine meter online now to ensure accurate measurement of free and total chlorine levels in your water samples. Designed for field and on-site testing, it features an advanced optical system, easy calibration, and a splash-proof front panel. With a compact size, 0.01 ppm resolution, and fast response time, this portable device is perfect for environmental monitoring, water treatment facilities, and laboratory analysis. Buy online today for reliable performance and quick results in water quality management.

Get EXTECH CL500 today—built for precision and long-lasting durability in water quality testing.

Frequently Asked Questions

Where can I buy EXTECH CL500?

You can click on the BUY or RFQ button to purchase CL500 from an authorized EXTECH distributor.

How do I troubleshoot issues or seek technical support for part CL500?

You can download the CL500 datasheet or visit the EXTECH website for support.

Who is the manufacturer of CL500?

EXTECH

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