The Hach filter (MPN 89570) is a 0.5 in (1.27 cm) dual optical filter with a central wavelength of 570 nm. It is listed as a replacement part for Lachat Flow Injection Analysis (FIA) systems and is intended for photometric and colorimetric applications that require a 570 nm detection band.
- Dual-band optical filter centered at 570 nm.
- 0.5 in (1.27 cm) diameter compatible with standard filter holders.
- Replacement part for Lachat FIA flow injection analysis systems.
- Suitable for photometric and colorimetric assays requiring 570 nm detection.