The DR3900 is a benchtop visible spectrum (320-1100 nm) split beam spectrophotometer with over 220 pre-programmed methods optimized for laboratory water analysis. With your daily water analysis routine in mind, the DR3900 spectrophotometer is optimized for safe processes and accurate results. Control of ammonium, COD, phosphate, nitrate and many other parameters is easily performed. The testing and handling of the spectrophotometer are designed to avoid errors in water analysis.

Specifications:
Beam Height:10 mm
Data Logger:2000 measured values (Result, Date, Time, Sample ID, User ID)
Display:7″ TFT
Display Resolution:WVGA (800 pix x 480 pix)
Display Size:7 inch (17.8 cm)
Display Type:Colored touch-screen
Enclosure Rating:IP30
Includes: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.
Interfaces:USB type A (2)
USB type B
Ethernet
RFID sensor
Manual Languages:English
French (CDN)
Spanish (SA)
Portuguese (BR)
Chinese
Japanese
Korean
Max. operating humidity:80 %
Max. Storage Humidity:80 %
Operating Conditions:10 – 40 °C
Operating Mode:Transmittance (%), Absorbance and Concentration, Scanning
Optical System:Reference beam, spectral
Photometric Accuracy:5 mAbs @ 0.0 – 0.5 Abs
Photometric Accuracy 2:1 % at 0.50 – 2.0 Abs
Photometric Linearity:< 0.5% – 2 Abs
2 Abs with neutral glass at 546 nm
Photometric Measuring Range:± 3.0 Abs (wavelength range 340 – 900 nm)
Power Requirements:With external power supply
Power requirements (Hz):50/60 Hz
Power requirements (Voltage):110 – 240 V AC
Power Supply:Benchtop Power Supply
Preprogrammed Methods:> 240
Region:US
Sample Cell Compatibility:Rectangular: 10, 20, 30, 50 mm, 1 inch; round: 13 mm, 16 mm, 1 inch
Specific Technology:RFID not applicable with this model
Spectral Bandwidth:5 nm ± 1 nm
Standard accessories:None
Storage conditions:-30 – 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 – Brazil, Portuguese,
Russian, Serbian, Slovakian, Slowenian,
Spanish, Swedish, Turkish
User Programs:100
Warranty:12 months
Wavelength Accuracy:± 1.5 nm (wavelength range 340 – 900 nm)
Wavelength Calibration:Automatic
Wavelength Range:320 – 1100 nm
Wavelength Reproducibility:± 0.1 nm
Wavelength Resolution:1 nm
Wavelength Selection:Automatic
Weight:4.2 kg

Includes: Adapter A for 1 in. round and 1 cm square cells, matched pair of 1 in. square glass sample