Hach DR 3900 Manuel D'utilisation De Base page 106

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
± 0,1 nm
reproducibility
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
± 3,0 Abs (wavelength range 340–900 nm)
range
5 m Abs at 0,0–0,5 Abs
Photometric accuracy
1 % at 0.50–2.0 Abs
< 0,5 % to 2 Abs
Photometric linearity
≤1 % at > 2 Abs with neutral glass at 546 nm
Stray light < 0,1 % T at 340 nm with NaNO
2000 readings (Result, Date, Time, Sample ID, User
Data log
ID)
User programs 100
Performance specifications
Physical and environmental specifications
Width
Height
Depth
Mass
Ambient operating
requirements
Ambient storage
requirements
Additional technical data
Power connector via
external power supply
Interfaces
Enclosure rating
Protection class
Altitude
2 Pollution degree
Overvoltage category
Environmental
conditions
Power supply
350 mm (13,78 in)
151 mm (5,94 in)
255 mm (10,04 in)
4200 g (9,26 lb)
10–40 °C (50–104 °F), maximum 80 % relative
humidity (without condensate formation)
–40–60 °C (–40–140 °F), maximum 80 % relative
humidity (without condensate formation)
Input:100–240 V ±10 VAC/50–60 Hz
Output: 15 V/40 VA
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
IP40
Class I
2000 m
2
II
Indoor use only
External power supply
English
English 105