Hach-Lange DR1900 User Manual - Manual (Page 5)

Specifications
Specifications are subject to change without notice.
Specification Details
Measurement method VIS spectrophotometer for HACH and HACH LANGE water analysis
methods
Measurement mode Transmittance (%), Absorbance (Abs) and Concentration (Conc)
Dimensions (W x D x H) 178 x 261 x 98 mm (7.0 x 10.3 x 3.8 in.)
Enclosure rating IP67 (closed sample cell cover)
Weight 1.5 kg (3.3 Ib)
Power requirements (internal) AA size Alkaline (4x) or
rechargeable Nickel Metal Hydride (NiMH) batteries (4x) (optional module
necessary
1 )
Power requirements (external) Power supply: 110–240 VAC; 50/60 Hz (optional module necessary 1 )
Interface USB mini (optional module necessary 1 )
Operating temperature 10 to 40 °C (50 to 104 °F); maximum 80% relative humidity (non-
condensing)
Storage temperature –30 to 60 °C (–30 to140 °F); maximum 80% relative humidity (non-
condensing)
Lamp source Xenon flash
Wavelength range 340–800 nm
Photometric measuring range ±3.0 Abs (wavelength range 340–800 nm)
Wavelength accuracy ±2 nm (wavelength range 340–800 nm)
Spectral bandwidth 5 nm
Photometric accuracy 3 mAbs at 0.0 to 0.5 Abs, 1% at 0.50 to 2.0 Abs
Photometric linearity < 0.5% to 2 Abs
≤ 1% at > 2 Abs with neutral glass at 546 nm
Wavelength selection Automatic, based on the method selection
Stray light < 0.5% T at 340 nm with NaNO
2
Repeatability ± 0.1 nm
Wavelength resolution 1 nm
User programs (free programming) 50
Data logger 500 measured values (result, date, time, sample ID, user ID to GLP (Good
Laboratory Practice))
Sample cells 10 x 10 mm, 1 inch rectangular, 13 mm/16 mm/1 inch round, 1 cm/10 mL,
Flow-thru cell
Protection class Power supply: Class II, instrument: Class III
Certifications CE certified
Warranty 1 year (EU: 2 years)
1 Additional information is available on the manufacturer's website.
English 3