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)

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:0 - 50 °C, max. 90 % 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)

Special Remarks:DR900 replaces the DR890

Spectral Bandwidth:15 nm filter bandwidth

Storage conditions:-30 - 60 °C, max. 90 % 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