Ohaus AP50 Portable Colorimeters

Ohaus AP50 Portable Colorimeters are used for quick and easy measurement of water samples in field applications. The AquaSearcher AP50 multifunction portable Photometer is designed intuitively to provide fast, reliable colorimetric and turbidity measurements. Its rugged single-handed design makes it perfect for field applications and the carrying case holds all test accessories. The AP50 allows the user to pre-program testing parameters to increase efficiency.

  • Fast and reliable testing – The AP50MM is equipped with a real-time dynamic display for each measurement to provide fast, reliable results. It can record up to 30,000 datapoints with time and date stamp
  • Intuitive operation – Built-in calibration curves provide automatic selection of appropriate wavelengths from the long-lasting LED light source. Store commonly used tests for efficient field use
  • User-Friendly – The large, backlit display makes it easier to read real-time results. Comes with a hard-shell carrying case with all accessories needed to perform tests in the field
  • 6-month battery life at 25 readings/week
  • Backlit Graphical LCD, 160 x 240 pixels
  • Compatible with round Ø24 mm sample vials
  • 1 NTU turbidity detection limit; 0 to 200 NTU measuring range
  • 4 ~ 41 °C , 85% RH, non-condensing working environment; up to 2000 m working altitude

Kit Includes:

  • (1) a-AP50MM-B Photometer
  • (4) AA Batteries
  • (2) 24 mm replacement vials, 10 ml
  • (2) 24 mm replacement vials, 25 ml
  • (1) COD Adapter, for a-AP50MM
  • (1) Briefcase AQUASEARCHER
Part NumberModelTypeWavelength RangePhotometric RangePhotometric AccuracyReproducibilityWavelength AccuracyPrice
30853394 AP50MM-BPhotometer365 nm; 420 nm; 455 nm; 525 nm; 560 nm; 570 nm; 630 nm Fixed0 Abs ~ 1 Abs± 0.005 Abs @1.0 Abs Nominal1 NTU± 1.0 nm$1,936.00
30853393 AP50MM-FKit365 nm; 420 nm; 455 nm; 525 nm; 560 nm; 570 nm; 630 nm Fixed0 Abs ~ 1 Abs± 0.005 Abs @1.0 Abs Nominal1 NTU± 1.0 nm$2,178.00