Battery Requirements : 4, AA size alkali cells
Data Logger : 500 measured values (Result, Date, Time, Sample ID, User ID)
Detector : Silicon photodiode
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, instrument and procedure manuals on CD, USB Mini to USB Cable, European CE mark.
Interface : USB type Mini IP67
Manual Languages : English, French, German, Italian, Spanish, Portuguese, Bulgarian, Chinese, Czech, Danish, Dutch, Finnish, Greek, Hungarian, Japanese, Korean, Polish, Romanian, Russian, Slovenian, Swedish, Turkish
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 : ± 0.005 Abs @1.0 ABS Nominal
Photometric Linearity : ± 0.002 Abs (0 - 1 Abs)
Photometric Measuring Range : 0 - 2 Abs
Reproducibility : ± 0.005 Abs (0 - 1 A)
Sample Cell Compatibility : 1 inch round or 16 mm round (with adapter)
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)
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
Dimensions (H x W x D) : 231 mm x 96 mm x 48 mm
Weight : 0.6 kg with battery