Vario MAX cube (CN)

Vario MAX cube (CN)

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Largest sample size
up to 5 g sample weight for CN analysis. Up to 500 mg C & N absolute can be measured (depending on mode).

90 position autosampler
for 5 ml steel crucibles for solids and liquids with virtually unlimited life. Automatic ash removal and rechargeable at any time also during operation.

Highest speed of analysis
less than 4 min for N (sample to sample). High sample throughput is realized without interruption by blank and recalibration measurements.

Best precision
e.g. 5 ppm N in beer or 10 ppm C in soil.

Extreme long time stability
for unattended, fully automated overnight operation. Only one blank value check is required per day.

Efficient water removal
a multistep condenser and Nafion(R) gas dryer results in along time maintenance free operation, even for continuous series of 2 ml aqueous samples.


Measuring method
High temperature combustion at up to 1200 °C with subsequent gas analysis. 
For N/Protein according to Dumas or CN according to AOAC, DIN/ISO, EN and other international standards.

Easy sample handling
due to weigh-in in re-usable crucibles (steel or ceramics) without any special pre-treatment. Suitable for solids or liquids up to several grams or milliliters.

Safe, fast, clean
The analysis takes only a few minutes. No aggressive or toxic chemicals are required. Physical separation of water and CO2.

Large concentration range
from ppm to 100% or 500 mg absolute for C & N (depending on mode)

Few operational requirements

1 m laboratory working space, 1 electrical connection and 2 operating gases are sufficient for maintenance long term operation

Fully automatic

With integrated 90 position sample changer, PC-control through Windows®, 
Optional 21 CFR Part 11 compliant software is available.


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