Description
Lab methods in the palm of your hand
The DR1900 is perfect for use in the field because it is the lightest and most compact portable spectrophotometer. It also can perform that largest number of tests of any portable instrument. Underneath the rugged exterior, the DR1900 has the largest number–over 220–of the most commonly tested preprogrammed methods already built in. You can also use the easy-to-use interface to create your own methods. Also, it is flexible because you can use the widest range of vial sizes of any other spectrophotometer.
Portability – Easy to hold, and operate, the compact DR1900 is a valuable tool for your field technicians. This is lightest and smallest spec on the market.
Accuracy – Tests are performed with a wavelength range of 340 to 800 nm, which make this a field instrument you can use to find results typically only seen in laboratory instruments.
Ruggedness – The DR1900 is built for rugged conditions. Built as a hand-held spec the DR1900 has a large, clear screen and a simple user interface that makes testing easier than ever in even the most demanding conditions.
Applications:
- Groundwater
- Influent for Wastewater
- Municipal Water
- Nutrient Monitoring
- Primary Treatment
- QA/QC Lab
- Secondary Treatment
- Surface Water
Benefits
Carry Anywhere
The lightest, most compact portable spectrophotometer available easily goes where you need to go.
Test What You Need
Analyze your water with more preprogrammed methods than any other portable spectrophotometer, or easily create your own methods to suit your unique needs.
Ensure Accuracy in the Field
Wavelength range of 340 to 800 nm provides accuracy typically seen only in laboratory instruments.
Make Testing Easier
Simple, easy-to-use interface plus the widest range of vial sizes makes testing flexible.
Take Into Field Environments
Rugged construction keeps the elements out, which means you can test in the most demanding conditions.
Specifications
Technical Attributes
| Battery Life | 15 days (typical) @ 5 readings a day / 5 day week without backlight* * Backlight usage will decrease battery life. |
| Battery Requirements | 4, AA size alkali cells |
| Cuvette Compatibility 2 | 10 mm square / 1 inch square and
13 mm / 16 mm / 1 inch round |
| Data Logger | 500 measured values (Result, Date, Time, Sample ID, User ID acc. to GLP) |
| Detector | Silicon photodiode |
| Dimensions (H x W x D) | 98 mm x 178 mm x 267 mm |
| Display | Graphical display 240 x 160 pixel (LCD, b/w, backlit) |
| Enclosure Rating | IP67 |
| Interface | USB type Mini IP67 (with optional Module) |
| Mains Connection 2 | 110 – 240 V / 50/60 Hz (* optional Module required. May not be available in all regions) |
| Mains Connection 3 | 4x NiMH rechargeable Battery (* optional Module required. May not be avaliable in all region) |
| Operating Conditions | 10 – 40 °C (50 – 104 °F), max. 80 % relative humidity (non-condensing) |
| Operating Humidity | Max. 80 % relative humidity (non-condensing) |
| Operating Mode | Transmittance (%), Absorbance and Concentration |
| Operating Temperature | 10 – 40 °C |
| Optical System | Reference beam, spectral |
| Photometric Accuracy | ± 0.003 Abs @ 0.0 – 0.5 Abs |
| Photometric Linearity | < 0.5 % (0.5 – 2.0 Abs) |
| Photometric Measuring Range | 0 – 3 Abs (wavelength range 340 – 800 nm) |
| Power Module? | No |
| Power Supply | 4 x AA size Alkaline 4x NiMH rechargeable Battery* Power supply*: 110 – 240 V; 50/60 Hz (* optional Module required. May not be available in all regions) |
| Reproducibility | ± 0.005 Abs (0 – 1 A) |
| Sample Cell Compatibility | 13 / 16 mm and 1 inch round adapter, 10 x 10 mm 1 inch square and 10x10mm |
| Source Lamp | Xenon Flash |
| Storage Conditions | -30 to 60 °C (-22 to 140 °F), max. 80 % relative humidity (non-condensing) |
| Stray Light | < 0.5 %T at 340 nm with NaNO2 |
| 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 | 50 |
| Warranty | 12 months |
| Wavelength Accuracy | ± 2 nm (range 340 – 800nm) |
| Wavelength Calibration | Automatic |
| Wavelength Range | 340 – 800 nm |
| Wavelength Reproducibility | ± 0.1 |
| Wavelength Selection | Automatic |
| Weight | 1.5 kg |
| What’s included? | Includes: portable spectrophotometer, printed basic instrument manual, dust cover, 1-in. square matched glass sample cells, AA alkaline batteries 4/pk, and a four-type adapter set. |
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