$521.00
SE
LEICI DGB-425 Portable multiparameter Water Quality Analyzer Permanganate Index
permanganate index0.000~10.00mg/L
Measurement method of permanganate index, acid potassiumhy permanganate oxidation (Colorimetry), light source wavelength 540nm, Measurement range 0.000~10.00mg/L, error of indication +/- 5% FS, Repeatability ≤ 2.0%.

$512.00
SE
LEICI DGB-404F Portable Hexavalent Chromium Tester, Hexavalent Chromium
0.00~2.00mg/L
Spectrophotometric method, spectrophotometry, can quickly and accurately measurement of hexavalent chromium in water, support multi-point calibrating and Data storage, can be connected to PC for data collection, with good waterproof and dustproof performance and power management function, suitable for the determination of hexavalent chromium in various water quality needs.

If you don't know how to choose "STIP-scan", please consult customer service.