Thermo Scientific Barnstead GenPure with xCAD
Ultrapure water system
13
7. Technical specifications
Demands on the feedwater
Source
Tap water pretreated by reverse osmosis, ion ex-
change or distillation.
Silt density index (SDI)
max. 1 for all versions. For water that is not pretreated
by reverse osmosis, a prefilter with a 1 µm membrane
is recommended.
Feedwater resistance
>0.5 M
Ω
xcm
Free chlorine
max. 0.05 ppm
TOC
max. 50 ppb
Bacteria count
< 100 CFU/ml
Turbidity
< 1.0 NTU
Carbon dioxide (CO
2
)
max. 30 ppm
Silicate
max. 2 ppm
Particles
Filtration to 0.2 µm is recommended to protect the in-
ternal filter and, if appropriate, the final filter.
Temperature
2 - 35 °C
Pressure
0.1 - 6 bar
Product water quality
Standard UV UF UV/UF UV-TOC
UV-
TOC/UF
Resistance
(Reference
temperature
25°C)
M
Ω
xcm
at 25°C
18.2 18.2 18.2 18.2 18.2 18.2
TOC
ppb
5 - 10
1 - 5
5 - 10
1 - 5
1 - 5
1 - 5
Bacteria
CFU/ml
< 1
< 1
< 1
< 1
< 1
< 1
Bacterial En-
dotoxines
EU/ml
--
--
< 0.001*
< 0.001*
--
< 0.001*
Particles
> 0.2 µm
< 1/ml
< 1/ml
< 1/ml
< 1/ml
< 1/ml
< 1/ml
Flow rate
L/min**
up to 2
up to 2
up to
1.7
up to1.7
up to 2
up to 1.7
Flow rate with
volume control
L/min 1.2 1.2
1.2 1.2 1.2 1.2
* Depending on feedwater and appropriate disinfection
** Depending on feedwater pressure
Dimensions, GenPure
Height 615
mm
Width 372
mm
Depth 330
mm
Weight:
GenPure Standard
22 kg
GenPure UF
23 kg
GenPure UV
23 kg
GenPure UV/UF
24 kg
GenPure UV-TOC
24 kg
GenPure UV-TOC/UF
25 kg
