The Lovibond MD100 series colorimeters are available in a wide variety of parameters using powder-pack chemistries. These rugged, waterproof meters feature a large backlit display, real-time clock, data logging capabilities, and a user calibration mode which allows you to calibrate against prepared standards.

(Note: Lovibond is the new name for Orbeco-Hellige--exactly the same product with a new name.)

Range for reagent: 0.011 to 0.7 mg/L