Products - Details 8659 AMCO CLEAR CALIBRATION KIT, for Hach 1720 C/D/E ONLINE INSTRUMENTS WITH CHECK STANDARD Description: ITEM#:8659 CAS#: F.W.: NFPA#: Specific Gravity: DOT: Descriptions: Kit contains a 20 NTU standard required to calibrate the Hach 1720 C, D and E instruments. It also contains a 1 NTU check standard SKU Size Price Quantity Add to Cart 87023 GALLON KIT $474.80
