Battery life:
6 months (typical) at 5 readings a day / 5 day week without backlight (backlight usage will decrease battery life)
Battery requirements:
4 AA size batteries
Cuvette compatibility:
1 inch round / 16 mm round (with adapter)
Detector:
Silicon photodiode
Dimensions (H x W x D):
231 mm x 96 mm x 48 mm
Display:
Graphical display 240 x 160 pixel (Backlit)
Enclosure waterproof rating:
IP67
Environmental conditions: relative humidity:
Max. 90 % relative humidity (non-condensing)
Environmental conditions: temperature:
10 - 40 °C
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, instrument manual multilingual printed, 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 mode:
Transmittance (%), Absorbance and Concentration
Optical system:
0 / 180 ° transmittance
Photometric accuracy:
± 0.03 Abs
Photometric linearity:
± 0.002 Abs (0 - 1 Abs)
Photometric measuring range:
0 - 2 Abs
Reproducibility:
± 0.005 Abs (0 - 1 A)
Source lamp:
Light Emitting Diode (LED)
Spectral Bandwidth:
15 nm filter bandwidth
Storage conditions:
-30 - 60 °C (-30 - 140 °F), max. 80 % relative humidity (non-condensing)
Stray light:
< 1.0 % at 400 nm
Supported chemistry:
Hach tests
Temperature range:
0 - 50 °C
User interface:
English, French, German, Italian, Spanish, Portuguese, Bulgarian, Chinese, Czech, Danish, Dutch, Finnish, Greek, Hungarian, Japanese, Korean, Polish, Romanian, Russian, Slovenian, Swedish, Turkish
User programmes:
10
Warranty:
24 months
Wavelength accuracy:
± 1 nm
Wavelength range:
420, 520, 560, 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