DR900 Multiparameter Portable Colorimeter

Battery Life 6 months (typical) @ 5 readings a day / 5 days / week without backlight**
** Backlight usage will decrease battery life.
Battery Requirements 4, AA size alkali cells
Data Logger 500 measured values (Result, Date, Time, Sample ID, User ID)
Detector Silicon photodiode
Dimensions (H x W x D) 231 mm x 96 mm x 48 mm
Display Graphical display 240 x 160 pixels (Backlit)
Enclosure Rating IP67 (vial cover closed)
Includes DR 900 Colorimeter, two 1-inch glass sample cells marked at 10, 20 and 25 mL, two 1 cm plastic sample cells, 1 x 16-mm COD/Test ‘N Tube™ adapter, 4 AA alkaline batteries, printed multilingual instrument manual, USB Mini to USB Cable, European CE mark.
Interface USB type Mini IP67
Operating Conditions 10 – 40 °C (50 – 104 °F), max. 80 % relative humidity (non- condensing)
Operating Humidity Max 90 % relative humidity (non-condensing)
Operating Mode Transmittance (%), Absorbance and Concentration
Operating Temperature 10 – 40 °C
Optical System 0 / 180 deg transmittance
Photometric Accuracy ± 0.03 Abs
Photometric Linearity ± 0.002 Abs (0 – 1 Abs)
Photometric Measuring Range 0 – 2 Abs
Power Supply 4 x AA size alkaline cells
4x NiMH rechargeable Battery*
(*External charger required)
Reproducibility ± 0.005 Abs (0 – 1 A)
Sample Cell Compatibility 1 inch round or 16 mm round (with adapter)
Source Lamp Light Emitting Diode (LED)
Spectral Bandwidth 15 nm filter bandwidth
Storage Conditions -30 to 60 °C (-30 – 140 °F), max. 80 % relative humidity (non-condensing)
Supported Chemistry Hach tests
Temperature Range 0 – 50 °C (32 – 122 °F)
User Interface Languages English, French, German, Italian, Spanish, Portuguese, Bulgarian, Chinese, Czech,
Danish, Dutch, Finnish, Greek, Hungarian, Japanese, Korean, Polish, Romanian,
Russian, Slovenian, Swedish, Turkish
User Programs Custom programming 10
Warranty 12 months
Wavelength Accuracy ± 1 nm (fixed, varies with model)
Wavelength Calibration N/A
Wavelength Range 420 nm, 520 nm, 560 nm, 610 nm
Wavelength Selection Automatic
Weight 0.6 kg with battery