Hach Dr3900 Spectrophotometer for Water Analysis

Light Source

 Gas-filled Tungsten (visible)

Optical System 

Reference beam, spectral

Wavelength Range

 320 to 1100 nm

Wavelength Accuracy

 ± 1.5 nm (wavelength range 340 to 900 nm)

Wavelength Reproducibility

± 0.1 nm

Wavelength Resolution 

1 nm

Wavelength Calibration

Automatic

Wavelength Selection 

Automatic, based on method selection

Spectral Bandwidth

 5 nm

Photometric Measuring Range

± 3.0 Abs (wavelength range 340 to 900 nm)

Photometric Accuracy

 5 mAbs at 0.0 to 0.5 Abs

1 % at 0.50 to 2.0 Abs

Photometric Linearity

 < 0.5 % to 2 Abs

0.01 % at >2 Abs with neutral glass at 546 nm

Stray Light

 < 0.1 % T at 340 nm with NaNO2

Display 

7 TFT WVGA (800 pix x 480 pix)

Data Logger 

2000 measured values (Result, Date, Time, Sample ID, User ID)

Preprogrammed Methods

> 240

User Programs

100

Sample Cell Compatibility

13 mm round, 16 mm round, 1 cm & 5 cm rectangular, 1 round, 1 square

Dimensions (H x W x D)

5.9 in x 13.8 in x 10 in

(151 mm x 350 mm x 255 mm)

Weight

 9.26 lbs. (4.2 kg)

Operating Conditions 

10 to 40 °C

Storage Conditions 

-30 to 60 °C

Enclosure Rating 

IP30

Interfaces

 USB type A (2), USB type B, Ethernet, RFID module