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T: 514-354-2511
T: 1 800 463-4363
F: 514-354-6948
Benchtop Spectrophotometer Environment

Benchtop Spectrophotometer from Hach

Product Code:DR3900

Need more Info? (514) 354-2511 - 1-800-463-4363

Expert water analysis made simple.

Prevent Measurement Errors...

Simply The proven technology you have come to expect from Hach just got better. Built with the future of water analysis in mind, the DR3900 Spectrophotometer will give consistently accurate results in a simpler testing format. If you need a portable solution, please call customer service at 1-800-227-4224 for the availability of DR1900. *RFID currently available only in US, Canada, Puerto Rico, Australia, New Zealand, and Colombia. Customers in other countries should order LPV440.99.00002.


Simple Preparation

TNTplus vials use DosiCaps - freeze-dried reagents integrated into sealed cap - that are easier to use than Powder Pillows or Liquid Reagents, without any risk of contamination. The boxes and vials are color-coded for a fast and easy parameter and range recognition of exactly the test you need. Step-by-step illustrated test methods are printed on the box as a quick reference and can also be called up in the instrument menu.


Fast execution

A 2D barcode on the TNTplus vial is automatically read by the Hach DR spectrophotometer to identify the appropriate method and take the measurement. The vial spins to take 10-fold absorbance readings that will be averaged for result determination to exclude scratches and fingerprints. Instrument calibration verification and high instrument stability all combine to eliminate the need to run reagent blanks.


Comprehensive Documentation

Measurement results are documented on the detailed level with timestamp, operator ID, absorbance reading, and calculated concentration. The 2D barcode delivers the lot number and expiry date, logged with every result. For your accreditation the certificate of analysis can be called up just by wiping the reagent box towards the RFID* sensor. *RFID technology currently available in US, Canada, Puerto Rico, Australia, New Zealand, and Colombia only.


Flexible Connectivity

Built with 1 ethernet and 3 USB ports, the DR 3900 easily connects to your computer and is programmed to easily interface with Hach WIMS™ or any LIMS system.


Sample Tracking*

Sample bottles with smart tags can easily be tracked with the optional Hach RFID sample-ID system, eliminating sample mix-ups and providing better sample traceability








Beam Height 10
Data Logger 2000 measured values (Result, Date, Time, Sample ID, User ID)
(H x W X D)
5.9 in x 13.8 in x 10 in (151 mm x 350 mm x 255 mm)
Display 7" TFT
Display Resolution WVGA (800 pix x 480 pix)
Display Size 7 inch
Display Type Coloured touch-screen
Enclosure Rating IP30
Includes Adapter A for 1 round + Accuvac/1 cm rectangular cuvettes, manual, CD with manual and procedure manual in 5 languages (GB, D, F, I, E) in pdf format. EU power supply 100 - 240V, 47 - 63Hz.
Light Source Gas-filled Tungsten(visible)
Manual Languages English, French (CDN), Spanish (SA),Portuguese (BR), Chinese, Japanese, Korean
Max. Operating Humidity 80
Max. Storage Humidity 80
Operating Conditions (Temperature) 10 °C to 40 °C
Operating Mode Transmittance (%), Absorbance and Concentration, Scanning
Optical System Reference beam, spectral
Photometric Accuracy 5 mAbs at 0.0 to 0.5 Abs
Photometric Accuracy 2 1 % at 0.50 to 2.0 Abs
Photometric Linearity < 0.5 % to 2 Abs
Photometric Linearity 2 ≤ 0.01 % at >2 Abs with neutral glass at 546 nm
Photometric Measuring Range ± 3.0 Abs (wavelength range 340 to 900 nm)
Power requirements (Hz) 50/60 Hz
Power requirements (voltage) 110 - 240 V AC
Power Supply Benchtop power supply
Programmed Methods > 240
Sample Cell Compatibility 13 mm round, 16 mm round, 1 cm & 5 cm rectangular, 1" round, 1" square
Scanning Speed 8 nm/S (in steps of 1 nm)
Specific Technology RFID for easy method update, sample ID and Certificate of Analysis
Spectral Bandwidth 5 nm
Storage Conditions -30 °C to 60 °C
Stray Light < 0.1 % T at 340 nm with NaNO2
User Interface Languages Bulgarian, Chinese, Croatian, Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hungarian, Italian, Japanese, Korean, Polish, Portuguese - Brasilian, Potuguese, Russian, Serbian, Slovakian, Slowenian, Spanish, Swedish, Turkish
User Programs 100
Warranty 12 months
Wavelength Accuracy ± 1.5 nm (wavelength range 340 to 900 nm)
Wavelength Calibration Automatic
Wavelength Range 320 to 1100 nm
Wavelength Reproducibility ± 0.1 nm
Wavelength Resolution 1
Wavelength Selection Automatic, based on method selection
Weight 9.26 lbs. (4.2 kg)


What's in the box?

Includes: Adapter A for 1 in. round and 1 cm square cells, matched pair of 1 in. square glass sample cells, light shield, dust cover, printed basic user manual and benchtop power supply with 115 and 230V power cords.


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