Laboratory Spectrophotometer for water analysis

Model: DR-3900
Brand: Hach, USA
This photometer system is designed to deliver accurate results by supporting the operator with each step he is doing:

Sample preparation: reduced handling steps, precise dosin
Sample analysis: automatic test recognition, expiration date check etc.
Documentation of results: versatile data management, control cards

With your daily routine of water analysis in mind the DR3900 spectrophotometer is optimised for safe processes and meaningful reports. Control-parameters like Ammonium, COD, Phosphate, Nitrogen and many others are easy to perform. The handling of tests and photometer is well designed to avoid any errors in your water analysis.

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Beam Height	10
Data Logger	2000 measured values (Result, Date, Time, Sample ID, User ID)
Dimensions (H x W x D)	151 mm x 350 mm x 255 mm
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	IP40
Interfaces	USB type A (2), USB type B, Ethernet, RFID module
Light Source	Gas-filled Tungsten (visible)
Operating Conditions	10 – 40 °C (50 – 104 °F), max. 80% relative humidity (non-condensing)
Operating Mode	Transmittance (%), Absorbance and Concentration, Scanning
Optical System	Reference beam, spectral
Photometric Accuracy	5 mAbs @ 0.0 – 0.5 Abs, 1 % at 0.50 – 2.0 Abs
Photometric Linearity	< 0.5 % – 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 – 900 nm)
Power Requirements (Voltage )	110 – 240 VAC
Power Requirements (Hz)	50/60 Hz
Preprogrammed Methods	> 240
Sample Cell Compatibility Rectangular	10, 50 mm, 1 inch; round: 13 mm, 16 mm, 1 inch
Scanning Speed	> 8 nm/S (in steps of 1 nm)
Source Lamp	Gas-filled Tungsten (visible)
Specific Technology	RFID for easy method update, sample ID and Certificate of Analysis
Spectral Bandwidth	5 nm
Stray Light	< 0.1% T at 340 nm with NaNO2
User Programs	100
Wavelength Accuracy	± 1.5 nm (wavelength range 340 – 900 nm)
Wavelength Calibration	Automatic
Wavelength Range	320 – 1100 nm
Wavelength Reproducibility	± 0.1
Wavelength Resolution	1
Wavelength Selection	Automatic, based on method selection
Weight	4.2 kg (9.3 lbs)

Laboratory Spectrophotometer for water analysis

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