The Extech EX900 ExStik® 4-In-1 Kit comes with a CL200 meter, pH and ORP electrodes, reagent tablets (50 tests), four plastic cups, a weighted stand, pH buffer pouches, four CR2032 batteries, a 48-inch neck strap, carrying bag, and user manual. The meter measures total chlorine, pH, ORP, and temperature using interchangeable flat surface electrodes that are provided. Flat surface electrodes operate in liquids, semi-solids, and solids. The built-in memory can store and retrieve up to 15 readings, as well as save the last calibrated value. It features a large 3-1/2 digit (2000 count) digital display with a bargraph and an automatic electronic self-calibration capability for chlorine and ORP (1, 2, or 3 point buffer calibration for pH).
| Specifications | Chlorine | pH | ORP |
|---|---|---|---|
| pH | — | 0.00 to 14.00pH3 | — |
| ppm | 0.01 to 10.00ppm | — | — |
| mV | — | — | -999 to 999mV |
| Temperature | 23° to 194°F (-5 to 90°C) | 23° to 194°F (-5 to 90°C) | — |
| Resolution | 0.01ppm | 0.01pH | 4mV |
| Accuracy | ±10% of rdg. + 0.01ppm | ±0.01pH | ±1mV |
| Power | four 3V CR-2032 button batteries | ||
| Dimensions | 1.4 x 6.8 x 1.6” (35.6 x 172.7 x 40.6mm) | ||
| Weight | 3.85oz (110g) |
