Hach DR 1900, Basic User Manual

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Table of contents
Specifications on page 3 Startup on page 10
General information on page 4 Standard operation on page 11
Installation on page 6 Maintenance on page 14
User interface and navigation on page 8 Troubleshooting on page 15
Additional information
Additional information is available on the manufacturer's website.
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
English 3