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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
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: ± 0.03 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
What's included?: Includes: DR900 instrument, USB cable with mini-USB connector, 4-AA alkaline batteries, 2 glass sample cells 1-inch (25 mm) round with 10, 20, 25-mL marks, 2 sample cells 1 cm/10 mL, sample cell adapter and multilingual user manual
