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Hach DR1900 Portable Spectrophotometer


Discover the Hach DR1900 Portable Spectrophotometer, the ultimate tool for precise water analysis on the go. Designed for both lab and field use, it offers over 220 pre-programmed methods. Dive into its features and benefits today!”

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The Hach DR1900 Portable Spectrophotometer is designed for water analysis in a variety of environments, providing a versatile solution for users who need to take their equipment into the field. 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.

Here’s a summary of the Hach DR1900:

  • Portability: The DR1900 is a lightweight, handheld spectrophotometer, making it suitable for on-the-spot testing in various environments, including difficult field conditions.
  • Broad Range of Tests: It can carry out the most tests of any portable instrument, accommodating over 220 pre-programmed Hach methods, covering a vast range of parameters and applications.
  • User Interface: The instrument typically features an intuitive interface that guides the user through the testing process.
  • Data Storage: The DR1900 often comes with a memory function to store test results, which can later be transferred to a computer or other device.
  • Durability: Built to withstand harsh conditions, it’s typically designed with a rugged exterior to resist impacts, and it may also be waterproof or water-resistant to a certain extent.
  • Versatility: The spectrophotometer can read various sample cells, from 1-inch round cells to 10 mL, 20 mL, and 1-inch square quartz cuvettes.
  • Light Source: To ensure a broad range of detection, the DR1900 often uses a xenon flash lamp, which is suitable for many wavelengths, and thereby can measure a vast range of parameters.
  • Accessory Compatibility: The device is often compatible with a range of accessories like battery packs, carrying cases, and more to aid in field operations.

Benefits of the Hach DR1900:

  • Flexibility: It can be used in labs as well as in the field.
  • Accuracy: Despite its portability, it doesn’t compromise on the precision of results.
  • Ease of Use: With pre-programmed methods, even complex water analysis becomes straightforward.

Potential Limitations:

  • It might not have all the advanced features or the extended wavelength range of some benchtop models.
  • Battery life, depending on usage and conditions, might be a concern for extended field operations without access to charging facilities.



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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