The 3-in-One Nitrogen Analyzer is a versatile, high-precision laboratory instrument designed for the simultaneous or modular analysis of Total Nitrogen (TN), Protein (via Kjeldahl or Dumas method), and Nitrate/Nitrite content in a wide range of sample types. This advanced analyzer combines digestion, distillation, and titration (or combustion) in one integrated system, ensuring optimal accuracy, reproducibility, and efficiency for nitrogen determination in food, feed, environmental, pharmaceutical, agricultural, and chemical samples. This analyzer is commonly equipped with automation features such as automatic sample injection, reagent addition, steam distillation, and titration, along with digital control interfaces for precise operation and data tracking. Depending on the model, it may support Kjeldahl digestion, Dumas combustion, and UV/Vis detection methods in one modular system—allowing laboratories to choose or combine methods based on their application needs. Its compact design, high-throughput capability, and compliance with international standards (AOAC, ISO, GB/T) make it ideal for routine and advanced nitrogen analysis workflows.
Feature of 3 in One Nitrogen Analyser
- The control panel unit along with inbuilt temperature controller, timer, mother board and SMPS is be isolated in separate control tower and housing to protect electronics from wet chemistry & acid/ alkali process area for longevity and safety of all electronic components.
- Water in the scrubber tank is drained and filled automatically every time at the end of digestion thereby draining the water for every consecutive cycle.
- Manual drain of water from the scrubber tank is also provided.
- A separate distilled water line to the steam generator.
- Auto refilling of distilled water to the steam generator is provided by using a proximity sensor.
- Monitoring of boiler water level from outside.
- Users choice to choose independent or combined operation of digestion and distillation.
- Inbuilt safety from Over voltage
Technical Specification:
| Model | : | DN.NA.01 |
| Material of construction | : | MS with powder coated finish |
| Operations | : | Digestion, Distillation and Scrubb |
| Cooling System & Automatic | : | Through water coil condenser in higher models |
| No of samples | : | 6 nos |
| Tube dimension | : | 42 x 300mm |
| Tube capacity | : | 250ml (Borosilicate Glass 3.3) |
| Process controller | : | 4.3” TFT touch screen controller |
| Mode of operation | : | Auto and Manual |
| Digestion Heating block | : | Extruded Aluminium block HE 30 Grade 6063 for 6 samples |
| Digestion Heater | : | Casted Aluminium alloy heater IS 4159 |
| Digestion Heater wattage | : | 1500 W |
| Digestion Temperature controller | : | PID controller |
| Digestion Temperature Range | : | 50 degree to 450 degree |
| Digestion temperature accuracy | : | +/- 1% |
| Digestion temperature sensor | : | Chromal K type thermocouple upto 1200°C |
| Digestion program | : | 5 program and 5 steps |
| Digestion program parameter | : | Temperature and time |
| Digestion block insulation | : | Ceramic wool |
| Digestion acid fumes removal | : | Teflon adaptor fuse to manifold using & outlet connected to the glass suction pump |
| Handle | : | Polyamide |
| Two tier console | : | To place Insert rack and Manifold Rack |
| Digestion tube insert Rack | : | Stainless steel-SS304 with Glossy Finish |
| Digestion Manifold Rack | : | Stainless steel-SS304 with Glossy Finish |
| Digestion Drip Tray | : | Stainless steel-SS304 with Glossy Finish |
| Exhaust fume condensation | : | In water |
| Scrubber tank | : | Stainless Steel 304 |
| Scrubber water leveller | : | Float switch |
| Scrubber tank capacity | : | 10 litre |
| Scrubber suction pump | : | Giant filter pump |
| Distillation expansion vessel | : | Glass vessel with Teflon insert for alkali addition inlets nippons for alkali addition and steam addition |
| Scrubber water re-circulation pump | : | 2 Magnetic pump with flow rate of 18L/min |
| Scrubbing Tubing Hardness | : | Silicone tube 70±5 shore A, Temp. resistance -60°C to +200°C |
| Real time monitoring of process | : | yes |
| No of distillation | : | One at a time |
| Distillation programme | : | 5 program/3 steps |
| Distillation Programme steps | : | Alkali, reaction delay and Process |
| Distillation Dosing pump | : | For alkali addition 24 DC Motor 500 ml/min |
| Distillation steam Generator | : | Stainless steel-SS304 with pressure release valve to back suction of sample |
| Distillation water condenser | : | Glass with 2 bulb and coil condenser |
| Distillation solenoid valves | : | For Steam, Refilling and Vent |
| Distillation Heater | : | Immersion Heater |
| Distillation Heater Wattage | : | 1500 W |
| Distilled water tank | : | PVC |
| Distilled water tank capacity | : | 5 Lit |
| Distillation Reagent tank | : | PVC |
| Distillation Reagent tank capacity | : | 2 lit |
| Electrical requirement | : | 230v/50Hz/16A |
| Unit Dimension | : | 32 x 26 x 41 inches |
| Connectivity to printer | : | Available for higher models |
| Connectivity to USB | : | Available for higher models |
| Real Time Monitoring of Process | : | Yes |
| Nitrogen recovery | : | 99.5% |
| Nitrogen reproductiobility | : | +/-1% |
| RSD | : | <1% |
| LOD | : | 1-200 mg with >_0.1mg of Nitrogen |
| Total Time process | : | 2.5 Hours |
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