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- Category: Water Quality Meters

The Extech DPD-CL Chlorine Accessory Pack includes ten packs of free chlorine tablets and ten packs of total chlorine tablets. Each can be used to replace the DPD powder tablets included with the CL500 Free and Total Chlorine Meter.
Filter_Brand | Extech |
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- Category: Water Quality Meters

The 9-in-1 DO700 Kit analyzes DO concentration/saturation, pH, mV, temperature, conductivity, TDS, salinity, and resistivity. It supports automatic salinity compensation and manual barometric pressure compensation for DO measurements. It also offers simple one-button calibration of 4, 7, and 10 pH, with the option of three-point calibration for greater accuracy, as well as automatic temperature adaptation. Includes a DO probe, pH/mV/Temp electrode, polymer Conductivity cell, pH and Conductivity calibration solutions, batteries, and a sturdy carrying bag..
Conductivity | 0.00 to 199.9mS |
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Conductivity Basic Accuracy | ±1.5%FS |
Conductivity Max Resolution | 0.01µS |
Dissolved Oxygen (Concentration) | 0 to 40.00mg/L |
Dissolved Oxygen (Concentration) Basic Accuracy | ±1.5%FS |
Dissolved Oxygen (Concentration) Max Resolution | 0.01mg/L |
Dissolved Oxygen (Saturation) | 0 to 200.0% |
Dissolved Oxygen (Saturation) Basic Accuracy | ±1.5%FS |
Dissolved Oxygen (Saturation) Max Resolution | 0.10% |
ORP | -1999 to + 1999mV |
ORP Basic Accuracy | ±0.15mV |
ORP Max Resolution | 1mV |
pH | -2.00 to 19.99pH |
pH Basic Accuracy | ±0.02pH |
pH Max Resolution | 0.01pH |
Resistivity | 0 to 100M cm |
Resistivity Basic Accuracy | ±1.5%FS |
Resistivity Max Resolution | 0.1 |
Salinity | 0 to 100ppt |
Salinity Basic Accuracy | ±1.5%FS |
Salinity Max Resolution | 0.01ppt |
TDS | 0 to 100g/L |
TDS Basic Accuracy | ±1.5%FS |
TDS Max Resolution | 0.01mg/L |
Temperature (Contact) | pH/ORP: 32 to 122°F (0 to 50°C); 32 to 212°F (0 to 100°C) |
Temperature (Contact) Basic Accuracy | ±1°F/±0.5°C |
Temperature (Contact) Max Resolution | 0.1° |
Certifications | CE |
Dimensions | 4.7 × 2.6 × 1.2" (120 × 65 × 31mm) |
IP Rating | IP57 |
Power | 2 × AA (1.5V) batteries |
Warranty | 2 years |
Weight | 6.3oz (180g) |
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- Category: Water Quality Meters

Replacement dissolved oxygen sensor for the ExStik® DO meter.
Dissolved Oxygen (Concentration) | 0 to 20.00ppm (mg/L) |
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Dissolved Oxygen (Saturation) | 0 to 200.0% |
Dissolved Oxygen (Saturation) Basic Accuracy | 0.4ppm (mg/L) |
Dissolved Oxygen (Saturation) Max Resolution | 0.01ppm (mg/L) |
Temperature (Contact) | 32 to 122 °F (0 to 50 °C) |
Temperature (Contact) Max Resolution | 0.1 °F/ °C ±1.8 °F (1 °C) |
Certifications | CE |
Dimensions | 1.4 × 6.9 × 1.6" (36 × 176 × 41mm) |
IP Rating | IP57 |
Power | 4 × CR-2032 (3V) batteries |
Warranty | 1/2 year |
Weight | 3.8oz (110g) |
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- Category: Water Quality Meters

The Extech DO603 is a screw-on membrane kit that replaces the dissolved oxygen sensor (DO605) in a DO600 meter.