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Specification
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Detail
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Battery Life
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6 months (typical) @ 5 readings a day / 5 days / week without backlight**
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Backlight usage will decrease battery life.
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Battery requirements
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4, AA size alkali cells
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Data Logger
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500 measured values (Result, Date, Time, Sample ID, User ID)
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Detector
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Silicon photodiode
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Dimensions (H x W x D)
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231 mm x 96 mm x 48 mm
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Display
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Graphical display 240 x 160 pixels (Backlit)
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Enclosure rating
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IP67 (vial cover closed)
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Environmental Conditions: Relative Humidity
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Max 90% relative humidity (non-condensing)
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Environmental Conditions: Temperature
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10 - 40 °C
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Includes
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DR900 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.
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Interface
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USB type Mini IP67
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Operating conditions
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10 - 40 °C (50 - 104 °F), max. 80% relative humidity (non- condensing)
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Operating Mode
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Transmittance (%), Absorbance and Concentration
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Optical System
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0/180 deg transmittance
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Photometric Accuracy
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± 0.03 Abs
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Photometric Linearity
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± 0.002 Abs (0 - 1 Abs)
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Photometric Measuring Range
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0 - 2 Abs
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Power supply
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4x AA size alkaline cells
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4x NiMH rechargeable Battery** (External charger required)
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Reproducibility
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± 0.005 Abs (0 - 1 A)
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Sample Cell Compatibility
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1 inch round or 16 mm round (with adapter)
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Source Lamp
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Light Emitting Diode (LED)
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Spectral Bandwidth
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15 nm filter bandwidth
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Storage conditions
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-30 to 60 °C (-30 - 140 °F), max. 80% relative humidity (non-condensing)
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