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HomeAnalytical & Material ScienceElemental AnalyzerNitrogen/Protein Analyzer Nitrogen Analyzer – Velp NDA 701 Dumas
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Nitrogen Analyzer - Velp NDA 702 Carrier Gas Dumas RM0.00
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Nitrogen Analyzer – Velp NDA 701 Dumas

RM0.00

Versatile and cloud-enabled elemental analyzer for Nitrogen and Protein determination according to the Dumas combustion method.

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SKU: VP-F30800070 Categories: Analytical & Material Science, Elemental Analyzer, Environmental, Nitrogen Analyzer, Nitrogen/Protein Analyzer Tags: Enzymatic Digester, GDE Digester, GDE Enzymatic, Velp
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Description

 

The perfect solution to maximize your productivity

NDA 701 Dumas elemental analyzer is the best solution for high throughput lab looking for a fast and safe analyzer.

The NDA 701 is powered by the DUMASoftTM software and produces N/Protein results in just 3 to 4 minutes totally unsupervised and cloud-enabled.

NDA 701 is dramatically faster, easier, and safer than a traditional Kjeldahl system.

The NDA 701 is a safe analyzer that does not require aggressive chemicals or time-consuming analysis steps, just prepare your sample and walk away! 

 

 

Versatile analyzer for solid and liquid samples

With the NDA 701 you can load different matrix of solid, semi-solid and liquid samples at the same time.

VELP NDA 701 elemental analyzer is designed to work 24/7, 365 days a year with fast and easy routine maintenance.

The autosampler is supplied with a disc of 30 positions and can be expanded in order to accommodate up to 117 samples.

The low LOD limit of detection of 0.003 mgN and the RSD lower than 0.5% (EDTA) assure you high precision results and excellent reproducibility.

 

Efficiency for your lab

NDA 701 analyzes samples of up to 1 g and reduces operating costs thanks to VELP engineering and genuine consumables with extended lifetime.

  • The NDA 701 LoGASTM TCD works with no reference gas ensuring accuracy and precision;
  • Very low oxygen consumption thanks to optimized combustion;
  • The maintenance-free DriStepTM water trap is a physical trap that removes 99% of water, reducing the cost of chemicals;
  • NDA 701 is easy to install and is extremely compact saving valuable bench space in your lab

VELP TEMS technology drastically reduces wastes compared to wet chemistry N/protein determination methods.

Specification

Specification

Method of analysis: Nitrogen determination according to Dumas method (combustion)
Duration of analysis: 3/4 minutes
Detector: Innovative TCD autocalibrating
Sample weight: max 1g
Autosampler capacity: up to 4 discs, 30 positions each
Reproducibility (RSD): < 0.5% for EDTA standards (9.57%N)
Recovery: > 99.5%
Carrier gas: –
Detection limit: 0.003 mg nitrogen
Helium (HE) purity 99.999% (grade 5.0)
Oxygen (O2): purity 99.999% (grade 5.0)
Compressed air or Nitrogen (N2): purity 99.6 % (oil and water free)
Helium (He) pressure: 2 bar
Oxygen (O2) pressure: 2 bar
Connectivity Cloud via LAN or Wi-Fi
Interfaces: USB; RS232
Power: 1400 W
Power supply: 230 V / 50 – 60 Hz
Weight: 54 kg / 119 lb
Dimensions (WxHxD): 655x510x410 mm (H 690 mm with autosampler)
25.8×20.1×16.1 in (H 27.0 in with autosampler)

NDA 702 Working Process

The Dumas method starts with the combustion of the sample which takes place inside the VELP combustion furnace (CF) at a temperature higher than 1000°C to obtain elemental compounds.

Water separation is performed in 2 steps in the NDA 701. The first is the maintenance-free physical trap DriStep™ (WT1) strategically placed after combustion and the second is a chemical trap (WT2) that ensures the complete elimination of residual 1% of water.

Between the two traps, the flow of gases passes through the reduction furnace (RF) where NOX  compounds are transformed into molecular nitrogen N2.

Afterward, the CO2 is trapped by the unique self-regenerating VELP CO2 adsorbers.

At this point, elemental nitrogen is detected by the innovative thermal conductivity detector TCD LoGas™ which will send the data to DumaSoftTM to calculate the amount of Nitrogen and Protein.

DUMASoft™ Intuitive Operations

We have designed the NDA 701 to ensure maximum ease of use with DUMASoftTM‘s intuitive User Interface. Control the status of the instrument for the main window, at a glance.

Setting up an analysis is extremely simple. The database and real-time graph are easily accessible and with the connection to a balance the preparing a test is even faster.

The DUMASoftTM contains an extensive library of preinstalled methods, multilingual support and reporting functions with export to .csv, LIMS e.xls format.

Create and manage calibration curves, assign a name and always be ready to use the most suitable one.

Run the complete Leak Test and choose whether to run it on the whole circuit or targeted by zone, after replacing a consumable for example.

 

Adding value to automation via the cloud

NDA 701 thanks to its connectivity to VELP Ermes allows you to reduce routine operations thanks to the real-time monitoring of your elemental analyzer wherever you are, at any time.

NDA 701 is designed for continuous work with fully automated processes, VELP Ermes allows you to manage multiple instruments, consumables, workflows and to drastically reduce diagnostic time to ensure a superior level of service with maximum data security and protection of your data.

Immediate notifications and alerts will allow you to be always informed about the status of your analysis and thanks to the remote interruption you will have total control of your processes ensuring maximum security.

Access the database of your instrument in total security through the VELP Ermes platform and work with your colleagues creating and sharing reports from PC, smartphone and tablet.

 

Tecnologia TEMS™

Save Time, Energy, Money and Space

Accesories

Accesories

 

Consumables and accessories for NDA 701

NDA 701 is equipped with numerous accessories designed to simplify the operation.
A specific device simplifies the sample preparation for liquids; spatulas and syringes ensure correct transfer of the sample into the capsules.
VELP Scientifica main consumables ensure premium performance, as both the analyzer and the consumables come from the same source.

 

Product Code Description Pack Qty.
A00000225 Anhydone,454g 1
A00000198 Ceramic ash collector with bottom 1
A00000353 Cleaning Kit for Metallic Ash Collector 1
A00000217 Closing device tin foil cup 1
A00000157 Copper oxide, 50g 1
A00000199 Disc 2 for autosampler 1
A00000200 Disc 3 for Autosampler 1
A00000201 Disc 4 for Autosampler 1
A00000149 High temperature sealing grease 1
A00000192 IQ/OQ/PQ NDA701-702 Manual 1
A00000194 Kit approximately 1000 analyses for NDA – CN 1
A00000270 Kit approximately 2000 analyses for NDA-CN 1
A00000271 Kit approximately 4000 analyses for NDA-CN 1
A00000321 Metal Reactor tube 1
A0000322 Metallic ash collector 1
A00000262 Mold for tin foils 50x50mm 1
A00000318 Oat Meal, 30g 1
TA00000378 Plate for TOC/Sample preparation 1
A00000158 Pre-Packed combustion reactor 1
A00000226 Pre-Packed reduction reactor 1
A00000161 Quartz reactor tube 1
A00000154 Quartz wool, 50g 1
A00000235 Rice Flour, 130g 1
A00000371 Siver foril 35×35 mm, 100pcs 1
A00000317 Super-Absorbent Powder, 10g 1
A00000153 Tin Foil Cups, 150 pcs 1
A00000260 Tin foils 50x50mm, 450pcs 1
A00000240 Vcopper High reduction Efficiency,470g 1
E00010012 VELP Ermes 1 year connection 1
E00010036 VELP Ermes 3 years connection 1
A00000320 Velpcatalysr with inert layer, 36g 1

 

 

Download

Download

NDA Seriess – How to connect to Velp Ermes.PDF

NDA Series – Brochure.PDF

Dumas Method.PDF

Application Note Link

Certification.PDF

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