Showing 697–708 of 730 results

สินค้าหมดแล้ว
สินค้าหมดแล้ว
฿3,103.00

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

฿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.