- Details
- Category: Water Quality Meters

The CL205 is an Extech ExStik® replacement chlorine electrode module. Product for use with the Extech CL200 meter. The CL205 electrode can measure both chlorine and temperature. It comes with a six-month warranty.
- Details
- Category: Water Quality Meters

Extech CL204 are ExTab Chlorine Reagent tablets (100pk, 1000 tests) for the CL200 Chlorine Meter. Foil packing ensures an extremely stable atmosphere and a long shelf life. It includes no messy powder reagents, allowing you hassle-free calibration of your Extech meter. No dosing equipment is needed.
- Details
- Category: Water Quality Meters

Extech CL203 are ExTab Chlorine Reagent tablets (10 pk, 100 tests) for the CL200 Chlorine Meter. Foil packing ensures an extremely stable atmosphere and a long shelf life. It includes no messy powder reagents, allowing you hassle-free calibration of your Extech meter. No dosing equipment is needed.
- Details
- Category: Water Quality Meters

The CL200 is an ExStik® chlorine meter. This breakthrough technology detects Direct Total Residual Chlorine levels ranging from 0.01ppm to 10ppm. Non-subjective readings are unaffected by interferences common to traditional colorimeters and spectrophotometers, such as sample color, turbidity, light, and contaminants. This kit includes an electrode, five packs of 10 reagent tablets (50 tests), a protective sensor lid, a sample cup with cap, four CR2032 batteries, and a 48" neck strap.
Chlorine | 0.01 to 10.00ppm |
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Chlorine Basic Accuracy | ±10% of reading ±0.01ppm |
Chlorine Max Resolution | 0.01ppm |
Memory | 15 readings |
Temperature (Contact) | 23° to 194°F (-5 to 90°C) |
Temperature (Contact) Basic Accuracy | ±1.8°F/±1°C |
Temperature (Contact) Max Resolution | 0.1°F/°C |
Certifications | CE |
Dimensions | 1.4 × 6.8 × 1.6" (35.6 × 172.7 × 40.6mm) |
IP Rating | IP57 |
Power | 4 × CR-2032 (3V) batteries |
Warranty | 2 years |
Weight | 3.85oz (110g) |