CKIC 5E-TCN2200 Nitrogen/Protein Analyser

5E-TCN2200 is a powerful Dumas Protein/Nitrogen Analyzer, able to perform precise nitrogen analysis and protein determination, known also as “Combustion method”, it ensures precise results in few minutes, breaking down the sample into its elemental compounds. Substances produced, such as H2O, O2 and CO2, are trapped and removed, in order to ensure the correct detection of the nitrogen. It’s an alternative to Kjeldahl method for the determination of nitrogen and protein in different types of sample. Dumas method is the faster official one, validated by different International Organization.

Model 5E-TCN2200 Nitrogen/Protein Analyzer
Conforms to Method AOAC 990.03, AOAC 992.15, AOAC 992.23, AOAC 993.13, AOAC 997.09. AACC, ASBC, ISO 29541, ISO 16634, OIV, GT/B 30728, ASTM D5291
Analysis Time 4-6 mins, depending on sample combustion conditions
Sample Loader Stackable auto loader, up to 140 samples by 4 layers
Repeatability Nitrogen≤0.05%
Sample Mass Up to1000mg, depending on sample matrix
Temp. Resolution 1℃
Gas Required* Helium, 99.99%, 0.25± 0.01 Mpa
Oxygen, 99.5%, 0.25± 0.01 Mpa
Nitrogen or compressed air, 0.25± 0.01 Mpa
Consumption Helium 200ml/min
Measurement Rang Nitrogen: 0.04mg-50mg
Furnace Type Resistance furnace, Max temp 1050℃
Power Supply Single phase, AC220V ±10% , 50/60Hz, 5.5kW
Net Weight 110kg
Dimensions(L×W×H) 690mm×750mm×720mm
*Test Condition: If N≤0.5%, 99.995% high purity oxygen is required.
Standard Configuration:
Main analyzer
Furnace reagent
High purity copper
H2O sorb reagent

CO2 sorb reagent
Silica wool
Lower crucible
Upper crucible
O-ring kit
Tool kit

Optional Configuration:
AR427 com-aid for liquid sample
Additional1 2 4 layers carousels
4cm x 4cm size tin-foil cup
Bigger size hole carousel


Features:Maximum Efficiency
1. High throughput: standard auto loader for 35 samples per layer, stackable to 4 layers available.
2. Closed-loop water circulation assures the purity of water system without any additional solution.
3. Dual-stage furnace system with pure oxygen flow to ensure the complete combustion of all samples.

Good Environment Adaptability
1. Optimum gas circuit provides good gas tightness of the system.
2. O-ring free from heat resource.

Minimum Consumption
1. To determine N by TCD.
2. Saving time, gas and reagent: only 5.5ml blended gas needed to be analyzed.

Unattended Operation
The operator is limited to just adding sample to auto sample loader. Then the instrument will finish the test, cool down and shut off automatically.



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