Hach-Lange DR1900 Basic User Manual User Manual
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Table of contents
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on page 10
on page 11
on page 6
on page 14
on page 8
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
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