DuMaster D-480 Technical data sheet

DuMaster D-480
Technical data sheet
Routine analysis of nitrogen and protein requires modern instruments that guarantee troublefree and unattended long time operation. As one of the most compact and powerful Dumas
analyzer the DuMaster D-480 fulfills these requirements everyday. High sample throughput and
flexibility are combined in a unique and effective manner. Featuring the novel Regainer-Reductor
system the price per analysis decreases by up to 50 % compared to similar devices.
Scope of delivery
The scope of delivery consists of the instrument including operating software, 60 position sample plate, as well
as all other parts needed for the installation. Additionally, the PC is required to operate the instrument. Apart
from copper oxide and the drying agent Sicapent all chemicals required for the initial filling of the tubes are also
part of the shipment. The Regainer does not only bind excess oxygen in the analysis gas, but also automatically regenerates the reducing agent being consumed in the course of the process. The lifetime of one combustion tube filling is around 1000 analyses, for the post combustion containing the Regainer 2000 and the
pre-filled Reductor tube up to 2000 analyses.
Components
CD with operating software
Qty
1
Data acquisition and evaluation
Combustion steel tube
1
Primary combustion, can be refilled
Post combustion steel tube
1
Catalytic post combustion tube containing the Regainer, can be refilled
Manual pressing tool, D=10.5 mm
1
Preparation of solid samples for the 60 position sample plate
Ash crucible, steel
1
For liquids, standard applications, salt containing solid samples
Tubing for gas supply
2
Connecting the instrument to the CO2 and O2 supply. Includes the copper tube 3 mm and the tube connector 6 mm to
fit on the 2-step pressure regulator.
Oxygen lance
1
Oxygen supply to the combustion tube
Starter kit chemicals
Regainer, 500 g
Qty
1
Regainer catalyst to be refilled in the post combustion tube. Lasts for approximately 300 analyses depending on
sample’s composition.
Reductor
1
Pre-filled Reductor tube, highest lifetime for up to 2000 analyses
Set sample packaging
1
Set of different sample boats for sample packaging.
Aspartic acid, 100 g
1
Reference sample
Platinum catalyst, 30 g
1
Catalyst for post combustion, sufficient for 2 fillings
Corundum balls, 50 g
2
Combustion and post combustion tube filling
Tin foils
Tin foils 50x50 mm, 450 pcs.
1
Starter kit chemicals
Qty
Brass wool, 50 g
1
Brass wool for the post combustion tube
Cotton wool, 50 g
1
Quartz wool, 10 g
1
Order code
In addition to the DuMaster D-480 the following chemicals are strictly necessary to fill the tubes when installing the DuMaster and have to be ordered separately: one bottle Sicapent (Order number 11060150) and two
packages copper oxide (11060152).
1
1
0
6
0
1
0
0
DuMaster D-480
Dimensions and weight
Weight
480 x 570 x 550 mm
65 kg
570 mm
DuMaster D-480
Dimensions (WxHxD)
Technical data
Measuring range
up to 500 mg N (or 0 – 100%)
Standard deviation
< 0.05 % abs. (approx. 250 mg glutamic acid)
Detection limit
0.1 mg N absolute
Sample amount
up to 1 g or 1 mL sample volume
Recovery rate
> 99.5 %
Analysis time
approx. ~ 3 - 4 min
Sampler
Non-stacked 60 pos. (up to 1 g) or 120 pos. (up to 300 mg)
with random access
Power supply
100 – 230 V +/-10%
Frequency
50/60 Hz
Power consumption
1500 W
Connected electrical load
16 A
Protection class
IP20
O2 operating pressure
max. 2.5 bar
CO2 operating pressure
max. 1.8 bar
O2 gas
99.995 % purity, approx. 0.4 L/analysis
CO2 gas
99.995 % purity, approx. 4 L/analysis
Ports
USB, RS232
Language versions software
EN, DE
PC requirements
Operating system:Windows XP Professional, Windows Vista
Business, Windows 7 or Ultimate, Windows 8 Pro or Enterprise, Windows 10 Pro or Enterprise. Hard drive > 15 GB,
RAM > 2 GB.
Ports: USB to connect the device, USB to RS 232 converter
(or RS 232 port) to conncect balance, DVD-ROM drive.
Accessories
The PC and balance (0.1 mg or 0.01 mg readability) are absolutely needed accessories. Choose any item from
this list:
Optional parts
Order number
Software option 21 CFR, 11
11060113
Option to fulfill 21 CFR, part 11 requirements
Balance Mettler-Toledo ML54
11060115
Readability 0.1 mg
Balance MS105-DU
11061774
Analytical balance, Mettler-Toledo MS105-DU, readability 0.01 mg with V 24/RS 232 interface.
Capsule sealing press
11060116
Preparation of liquid samples in tin capsules
Sample plate, 120 positions
11062045
Maximum sample amount 300 mg
Manual pressing tool, D=7 mm
11060118
Used with 120 position sample plate
Sample former with pressing tools D=7 and 10.5 mm
Preparation of solid samples wrapped in paper
11060119
Optional parts
Order number
Reagent kit with chemiclas
11061768
Kit contains items needed for the analysis of up to 4000 samples:
2x Reductor, pre-filled tube.
2x Regainer, 500 g
1x Platinium catalyst
1x Cotton wool
2x Corundum balls
1x Quartz wool
1x Brass wool
Note: copper oxide is not included in the reagent kit. It is required to order 3x 11060152 Copper oxide to
have all necessary chemicals for analyzing 4000 samples. Check the availability of Sicapent.
Conversion kit uninterruptible power supply
11060121
Allows to connect the main board to an uninterruptible power supply
Tin foil
11061783
Tin foil for solid samples, 450 pcs., 35 x 35 mm
Tin foil cups, pre-formed
11061780
Tin foil pre-formed for solid samples, 100 pcs., 35 x 35 mm
Tin foil cups, pre-formed
11061781
Tin foil pre-formed for solid samples, 1000 pcs., 35 x 35 mm
Tin foils 50 x 50 mm, 450 pcs.
11060125
For preparation of wet, oily or fatty solid samples
Tin capsules for liquid samples, 0.3 mL
11060126
Size 6.75 x 14 x 0.1 mm, 100 pcs.
Tin capsules for liquid samples, 0.5 mL
11060127
Size 8 x 20 x 0.2 mm, 100 pcs.
Set wear parts
11060129
Comprehensive set of wear parts (joints, filters and seals) for fast and easy maintenance
Convenience kit
11061769
Allows faster tube exchange during routine work
Kit contains:
1x Reductor
1x Combustion tube
1x Post combustion tube
2x Oxygen lances
1x Quartz glass bridge
1x Drying tube
1x Glass tube
1x Ash crucible, steel
1x Wire mesh, D=22 mm
2x Spacer, D=23.5 mm
1x Wire mesh, D=26.8 mm
Ash crucible, steel
11061763
For liquids, standard applications, salt containing solid samples
Combustion tube, steel
11061764
Steel combustion tube for DuMaster
Consumables
Order number
Regainer
11061765
Regainer catalyst to be refilled in the post combustion tube. Lasts for approximately 300 analyses
depending on the sample’s composition, 500 g
Consumables
Order number
Reductor
11061767
Reduction tube, pre-filled, highest lifetime for up to 2000 analyses
Set sample packaging
11060139
Set of different sample boats for sample packaging
Platinum catalyst, 30 g
11060149
Catalyst for post combustion, sufficient for 2 fillings
Drying agent (SICAPENT®)*
11060150
Sicapent drying agent (P2O5 with indicator), 2.8 L bottle
Copper oxide wire, 250 g*
11060152
Combustion and post combustion tube filling
Wire mesh, D=22 mm
11060154
Used in the post combustion tube, 1 piece
Wire mesh, D= 26.8 mm
11062143
Wire mesh used for the combustion tube, 1 piece
Corundum balls, 50 g
11060157
Combustion and post combustion tube filling
Aspartic acid, 100 g
11060158
Reference substance
Brass wool, 50 g
11061766
Brass wool for the post combustion tube
Cotton wool, 50 g
11060153
Quartz wool, 10 g
11061782
Quartz wool for the post combustion tube
Standard calibration set DuMaster D-480
11062153
1-650 mg aspartic acid
* These chemicals are not included in the scope of delivery and have to be ordered separately.
Qualification documents
Order number
DuMaster D-480 IQ/OQ Documentation
11060160
Official documentation for the first installation and operation qualification. Conducted by an authorized
service engineer
DuMaster D-480 Repeating
OQ Official documentation for the annual operation control. Conducted by an authorized service engineer
11060161
Functional principle
The Dumas method for nitrogen determination is based on quantitative combustion in excess oxygen. Nitrogen
from the sample is transformed to molecular nitrogen. The novel Regainer catalyst binds excess oxygen in the
analysis gas without any need of reduction metals and regenerates the consumed reducing agents in the Reductor. In the pre-filled Reductor tube the nitric oxides are reduced to nitrogen while the reduction agent is automatically regenerated. After condensation and 3-step drying, the carrier gas CO2 transfers the analysis gases
to the thermoconductivity detector (TCD) and nitrogen gives a signal which is displayed as a peak. The instrument software calculates the nitrogen content by integrating the peak area. For the calculation of the protein
concentration generally accepted protein factors are used.
The DuMaster D-480 features an automatic at-the-spot oxygen injection for the combustion which saves up to
95 % oxygen. A sampler that accommodates 60 (optionally 120) samples without stacking, in connection with
unique blank-free ball valve injection guarantees absolute stable round-the-clock operation. By analysing the
whole gas stream without splitting, sensitivity is increased. The carrier gas (CO2) eliminates the need to absorb
CO2 generated during the combustion process. The novel Regainer-Reductor system allows for approx. 2000
analyses without exchange or maintenance and minimizes down times remarkably.
F4
P2
94
V16A
Mess
2
1
16
2
1
18
61
62
74
71
Ref
29
2
V16B
72
V6
4
63
1
63
73
F3
2
216
1
8
8
60
27
33
70
78
F1
59
67
69
68
2
58
1
3
2
V4
V7
O2
Funktionssymbole
functional icons
P1
1
2
61
CO 2
32
Zweiwegeventil
two way valve
Flusssensor
flow sensor
Verbrennung
combustion
Dreiwegeventil
three way valve
Drucksensor
pressure sensor
Nachverbrennung
post combustion
Rückschlagventil
check valve
Loop
loop
Reduktion
reduction
Rohr
copper tube
Drossel
throttle
beheizte Leitung
heated tube
Gastrennung
gas seperation
Schlauch
plastic tube
Flussregler
mass flow controller
Trocknung
gas drying
Messzelle
detector cell
www.buchi.com/protein
Basis Symbole
basic icons
Filter
filter
Sensor
sensor
Aktuator
actuator
Glas
glass
Quality in your hands
11595200A D-480 Data Sheet en 1603 / Technical data are subject to change without notice /
Quality Systems ISO 9001 The English version is the original language version and serves as
basis for all translations into other languages.
CS46