| 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 |
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. |
| 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 |
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