| 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, 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 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: |
± 0.005 Abs @1.0 ABS Nominal |
| 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 |
| 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 |