Powder reagent for free chlorine, DPD Method, 100 tests Range: 0.00 to 2.50 mg/L (5.00 mg/L)****Some meters allow the user to extend the range to the value between the brackets.

ISO turbidimeter with HI731313 accessory set, range 0.00 to 50.00 FTU/50 to 1000 FTU - drinking water, wastewater

Reagents for Photometers - nitrite (N-NO2) - Determination (100 tests)