Extech CL500 Free and Total Chlorine Meter
Portable tester for measuring of both Free and Total Chlorine up to 3.50ppm
Features:
- Large big-digit LCD and splash-proof front panel
- Measures Free and Total Chlorine up to 3.50ppm with 0.01ppm resolution
- Advanced optical system uses a narrow band LED lamp that provides accurate and repeatable readings
- Requires only a 10mL sample size
- Independent 2-point calibration for Free and Total Chlorine, Auto Power Off
- Battery operated for field and on-site testing
- Data Hold and Min/Max record/recall
- Complete with Free, Total and Zero Chlorine standard solutions, test bottles with covers, Free and Total
- Chlorine DPD powder (10pcs), cleaning cloth, six AAA batteries, and hard carrying case
Specifications:
- Range (ppm): 0.01 to 3.50ppm
- Resolution: 0.01ppm
- Accuracy: ±0.02ppm @ 1ppm
- Light source: LED, 525nm
- Method: Adaptation of USEPA Method 330.5 for waste water and Standard Method 4500-Cl-G for drinking water
- Response Time: <10 seconds
- Dimensions: 6.1 x 3.0 x 2.4″ (155 x 76 x 62mm)
- Instrument Weight: 11.3oz (320g)
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