Digital Pocket Colorimeter™ DR300 Analysis Systems for Chlorine or Ozone (Hach)

A true go-anywhere instrument, lightweight and battery operated, suitable for extended field work or quick, on-the-spot process monitoring.

The Pocket Colorimeter DR300 really can be carried in your pocket! Weighing in at only .25 kg (0.55 lbs.), 
it even floats if accidentally dropped in water.

Ordering Information

Each Pocket Colorimeter comes in a sturdy custom carrying case and includes a manual. Reagents sold separately.

To order Reagents, follow this link Link


Lamp Light Emitting Diode (LED)
Detector Silicon Photodiode
Wavelength 528 ± 2 nm chlorine, Free and Total
600 ± 2 nm ozone
Filter Bandwidth 15 nm
Absorbance Range 0 to 2.5 Abs
Sample Cell Pathlength 1 cm and 25 mm
Display Liquid Crystal Display (LCD), backlit
Enclosure IP67, waterproof at 1 m for 30 minutes
Operating Conditions 0 to 50 OC, 0 to 90% RH
Size 34mm H x 69mm W x 157mm D
Net Weight 0.25 kg (0.55 lbs
Power 4 AAA alkaline batteries, approximate battery life of 5000 tests
Compliance European CE Mark
Warranty 2 years
Description/Item No. Accuracy mg/L Details Method/Chemistry Qty. Range Your Cost/Qty Purchase
Digital Pocket Colorimeter™ DR300 Analysis Systems for Chlorine
5151-00
0.01 - 10 Chlorine, Free & Total DPD 100 Tests 0.1mg - 10L
$440.00/EA
Sign in to Buy 1 item(s) available to ship. 1 item(s) available to ship.
Digital Pocket Colorimeter™ DR300 Analysis Systems for Ozone
5151-01
0.01 - 10 Ozone Indigo, Trisulfonate 50 Tests (25 per method) 0.01mg - 0.25L, 0.01mg - 0.75L
$440.00/EA
Sign in to Buy 2 item(s) available to ship. 2 item(s) available to ship.