Showing 13–24 of 31 results

฿3,103.00

Range 0:00 to 5:00 ppm | EPA Method 315 B | 0.01ppm resolution

฿3,103.00

The HI 771 Checker®HC is a simple, accurate, and cost effective way to measure ultra-high ranges of chlorine. Designed as a more accurate alternative to chemical test kits, the HI 771 provides quick, accurate results in four easy steps.

฿3,103.00

Range 0:00 to 3:50 ppm | USEPA Method 330.5 / DPD | Resolution 0.01ppm

Out of stock
฿3,103.00

Range 0:00 to 2:50 ppm | USEPA Method 330.5 / DPD | Resolution 0.01ppm

฿3,103.00

Range 0:00 to 2:00 ppm | ASTM D859 Method | 0.01ppm resolution

Out of stock
฿3,103.00

Range 0:00 to 2:00 ppm | EPA method 340.1 | 0.01ppm resolution

฿3,103.00

Range 0 - 200 ppb | ascorbic acid method | Resolution 1 ppb

฿3,103.00

Range 0:00 to 2:50 ppm | ascorbic acid method | Resolution 0.01ppm

฿3,103.00

Range 0.0 - 30.0 ppm | amino acid method | Resolution 0.1ppm

฿3,103.00

The HI 775 Checker®HC is a simple, accurate, and cost effective way to measure alkalinity. Designed as a more accurate alternative to chemical test kits, the HI 775 provides quick, accurate results in four easy steps.

฿3,104.07

Range 0 - 300 ppm in salt water | Colorimetric Method | Resolution 1 ppm

฿3,103.00

Ideal for Aquaculture and Aquarium testing!