Hach-Lange DR 3900 User Manual - Manual (Page 9)

9
Section 1 Specifications
These are subject to change without notice!
Performance specifications
Display mode Transmittance (%), Absorbance and Concentration
Source lamp Halogen lamp
Wavelength range 320–1100 nm
Wavelength Accuracy ± 1.5nm (wavelength range 340–900 nm)
Wavelength reproducibility ± 0.1 nm
Wavelength resolution 1 nm
Wavelength calibration Automatic
Wavelength selection Automatic, based on method selection
Scanning speed ≥ 8 nm/s (in steps of 1 nm)
Spectral bandwidth 5 nm
Photometric measuring range ± 3.0 Abs (wavelength range 340–900 nm)
Photometric accuracy
5 m abs at 0.0–0.5 abs
1 % at 0.50–2.0 Ext
Photometric linearity
< 0.5 % to 2 Abs
≤1 % at > 2 Abs with neutral glass at 546 nm
Stray light < 0.1 %T at 340 nm with NaNO
2
Data log 2000 readings (Result, Date, Time, Sample ID, User ID)
User programs 100
Physical and environmental specifications
Width 350 mm (13.78 in)
Height 151 mm (5.94 in)
Depth 255 mm (10.04 in)
Mass 4200 g (9.26 lb)
Ambient operating requirements
10–40 °C (50–104 °F), maximum 80 % relative humidity (without condensate
formation)
Ambient storage requirements
–40–60 °C (–40–140 °F), maximum 80 % relative humidity (without condensate
formation)
Additional technical data
Power connector via external power
supply Input: 100–240 V/50–60 Hz
Output: 15 V/40 VA
Interfaces
Use only shielded cable with maximum length of 3 m:
2× USB type A
1× USB type B
Use only shielded cable (for example STP, FTP, S/FTP) with maximum length of
20 m:
1× Ethernet
Housing rating IP40 (excluding interfaces and power supply)
Protection class Class I