Hach-Lange DR 3900 Basic User Manual - Manual (Page 103)

English 103
English
Specifications
These are subject to change without notice!
Performance specifications
Operating mode Transmittance (%), Absorbance and Concentration
Source lamp Halogen lamp
Wavelength range 320–1100 nm
Wavelength Accuracy ± 1.5 nm (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 Abs
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 (e.g. STP, FTP, S/FTP) with
maximum length of 20 m:
1× Ethernet
Enclosure rating IP40 (excluding interfaces and power supply)
Protection class Class I
Performance specifications