Kjeldahl Instruments

  • Advanced 3-in-1 Nitrogen Analysis System
    Select options This product has multiple variants. The options may be chosen on the product page / Details Quick View

    INTEGRATED WORK STATION FOR NITROGEN ESTIMATION

    • Advanced 3-in-1 Nitrogen Analysis System integrating Digestion, Distillation, and Auto Titration in one compact platform.
    • 7-Inch Capacitive Full-HD Touch Display with a modern GUI interface for seamless control and real-time process monitoring.
    • Independent Digestion Operation that runs without any requirement from distillation or titration systems.
    • Distillation & Titration – Selectable but Dependent: Both can operate individually; titration requires distillation output; ensures accurate Distillation → Titration sequence.
    • Parallel Workflow Capability allowing digestion to run independently while distillation and titration proceed automatically in order.
    • Semi-Automatic Reagent Handling with automatic suction and feeding of reagents during operation.
    • Inbuilt Scrubber: Absorbs digestion fumes for safer, cleaner operation.
    • Separate Containers for All Reagents: Diluent, Alkaline Solution, Boric Acid, Titrant, and Titration Color/Indicator.
    • Large-Capacity Reagent Bottles for extended operation with minimal refilling frequency.
    • Auto Scrubber Water Drain & Refill after every digestion cycle for consistent performance and reduced manual work.
    • Auto Steam Generator Refill with proximity-based water level sensing for safe and uninterrupted distillation.
    • High-Efficiency Steam Generation for faster recovery, consistent distillation output, and reduced energy usage.
    • Precision Auto Titration System with accurate endpoint detection and stable titrant dispensing for repeatable results.
    • Chemical-Resistant Tubing & Components designed for long-life operation even in harsh laboratory environments.
    • Low Maintenance Design with easy-to-access service areas and tool-less assembly for cleaning and tubing replacement.
    • Smart Error Detection with alarms for low water, low reagents, temperature faults, and system abnormalities.
    • Over-Voltage, Over-Temperature & Dry-Run Protection ensuring operational safety.
    • High-Temperature Resistant Digestion Block for uniform heating and long-term durability.
    • Energy-Optimized System for reduced power consumption without compromising performance.
    • Flexible Operation Modes:
      • Digestion Only
      • Distillation Only
      • Titration Only (after distillation)
      • Distillation + Titration Combined
      • Full Cycle (Digestion → Distillation → Titration)
    • Designed for Heavy-Duty Laboratory Use with reliability suited for routine daily nitrogen analysis.
    • Compact & Modular Architecture that fits easily in modern lab setups and simplifies servicing.
    • Multiple Program Storage: Supports saving multiple digestion, distillation, and titration programs internally.
    • USB Backup & Restore: Users can export (download) all programs to a USB drive and import (load) programs from USB for quick setup, sharing, or recovery.
    • Remote Monitoring & Control: Optional Labs Connect module enables secure internet-based access to start/stop operations, view live status, check errors, and monitor digestion/distillation/titration progress remotely.
    • Multiple Program Storage: Supports saving multiple digestion, distillation, and titration programs internally.
    • USB Backup & Restore: Users can export (download) all programs to a USB drive and import (load) programs from USB for quick setup, sharing, or recovery.
    • Remote Monitoring & Control: Optional Labs Connect module enables secure internet-based access to start/stop operations, view live status, check errors, and monitor digestion/distillation/titration progress remotely.

    Specifications:


    Digestion

    • Capacity: 6 tubes
    • Compatible Tube Sizes: 42 mm OD, 300 mL Kjeldahl tubes
    • Temperature Range: Ambient to 450 °C
    • Temperature Accuracy: ±1 °C
    • Heating Module Material: Aluminium alloy high-temperature block
    • Temperature Control: PID-based point and curve control
    • Construction: High-temperature digestion block with chemical-resistant pathways
    • Auto Scrubber: Automatic drain and refill after each digestion cycle

    Distillation

    • Analysis Scope: 0.1 – 240 mg N
    • Precision (RSD): ≤ 0.5%
    • Recovery: 99 – 101%
    • Steam Generator: High-efficiency design with automatic water refill
    • Cooling System: High-efficiency condenser
    • Cooling Water Consumption: 1.2 – 3.0 L/min
    • Safety Features: Over-temperature and dry-run protection

    Titration

    • Type: Automatic acid–base titration
    • Accuracy: ±0.1%
    • Endpoint Detection: Colorimetric
    • Dispensing Mechanism: High-precision piston-based titrant delivery system
    • Dispense Resolution: 0.01 mL
    • Repeatability: High stability due to closed piston chamber and micro-step motor control

    Reagent System

    • Separate containers: Alkali, Diluent, Boric Acid, Titrant, Indicator
    • Semi-automatic reagent suction & feed
    • Chemical-resistant tubing
    • Power: 220–240 VAC, 50/60 Hz, 4.7 kW
    Related Guides:-- 
  • NITROGEN ESTIMATION WITH TITRATION
    Select options This product has multiple variants. The options may be chosen on the product page / Details Quick View

    (Distillation & Titration)

     

    Specification:

     
    Distillation
    Analysis Scope0.1 – 240 mg N
    Precision (RSD)≤ 0.5%
    Recovery99 – 101%
    Steam GeneratorHigh-efficiency; automatic water refill
    Cooling SystemHigh-efficiency condenser
    Cooling Water Consumption1.2 – 3.0 L/min
    Safety FeaturesOver-temperature & dry-run protection
    Reagent System
    ContainersAlkali, Diluent, Boric Acid, Titrant, Indicator
    OperationSemi-automatic reagent suction & feed
    TubingChemical-resistant
    Titration
    TypeAutomatic acid–base titration
    Accuracy±0.1%
    Endpoint DetectionColorimetric
    Dispensing MechanismHigh-precision piston-based titrant delivery system
    Dispense Resolution0.01 mL
    RepeatabilityHigh stability; closed piston chamber; micro-step motor control
    Power & Dimensions
    Power220–240 VAC, 50/60 Hz, 2.8 kW
    DesignCompact & modular for easy servicing
  • Nitrogen Estimation
    Select options This product has multiple variants. The options may be chosen on the product page / Details Quick View

    (Distillation)

     

    Specification :

     
    Analysis Scope0.1 – 240 mg N
    Precision (RSD)≤ 0.5%
    Recovery99 – 101%
    Steam GeneratorHigh-efficiency design with automatic water refill
    Cooling SystemHigh-efficiency condenser
    Cooling Water Consumption1.2 – 3.0 L/min
    Safety FeaturesOver-temperature and dry-run protection
    Power220–240 VAC, 50/60 Hz, 2.8 kW
    DesignCompact & modular design for easy servicing
  • DIGESTION (Built in Scrubber)
    Select options This product has multiple variants. The options may be chosen on the product page / Details Quick View

    Specification:

    Capacity6 / 8 tubes
    Compatible Tube Sizes42 mm OD, 300 mL Kjeldahl tubes
    Temperature RangeAmbient to 450 °C
    Temperature Accuracy±1 °C
    Heating Module MaterialAluminium alloy high-temperature block
    Temperature ControlPID-based point and curve control
    ConstructionHigh-temperature digestion block with resistant chemical-pathways
    Auto ScrubberAutomatic drain and refill after each digestion cycle
    Power Supply220–240 V AC, 50/60 Hz
    Power Consumption1.8–3 kW
  • Smart Solvent Extraction System
    Select options This product has multiple variants. The options may be chosen on the product page / Details Quick View
    • Independent Sample Loading with individual mechanical controls for flexible and efficient operation.
    • 7-Inch Capacitive Full-HD Touch Display featuring advanced GUI for seamless control, parameter settings, and real-time process monitoring.
    • Multiple Programs can be built for customized extraction methods and repeatable workflows.
    • Inbuilt Safety System with auto-error indication, over-temperature protection, and auto sensor-break protection.
    • Cold Water Condensation Line with high-quality silicon hose interconnections for efficient and stable solvent condensation.
    • Chemical-Resistant Tubing & Components designed for long service life even in harsh laboratory environments.
    • Low-Maintenance Design with easy-access service areas and tool-less removal for cleaning and tubing replacement.
    • Smart Error Detection including alarms for low water flow, low reagent levels, temperature faults, and system abnormalities.
    • Comprehensive Protection System featuring over-voltage, over-temperature, and dry-run protection for enhanced safety.
    • Energy-Optimized System reducing power consumption without compromising extraction performance.
    • Heavy-Duty Laboratory Construction suitable for routine daily nitrogen extraction and high-workload lab operations.
    • Compact & Modular Architecture allowing easy integration into modern laboratory setups and simplified servicing or upgrades.
    • Role-Based Login supporting Admin and User accounts with separate permission levels.
    • Secure Authentication with password-protected login for controlled system access.
    • Multiple Program Storage allowing users to save multiple programs internally.
    • USB Backup & Restore – export (download) all programs to a USB drive and import (load) programs for quick setup, sharing, or recovery.
    • Remote Monitoring & Control – optional Labs Connect module enables secure internet-based access to start/stop operations, view live status, check errors, and monitor progress remotely.
    Specifications:
    No. of Positions6 Samples
    Sample Size0.1 to 8 g (depending on sample type)
    Temperature Control Range35°C (Ambient) to 250°C
    Temperature Accuracy / Precision±0.5°C
    Heat SourceAluminum top
    Temperature ControlPID with auto tuning facility
    Extraction ThimblesThick nitrocellulose thimble (25mm × 80mm) – 1 box of 25 Nos. Highly versatile design accommodates two thimble sizes Optional macro thimbles (33mm × 80mm) compatible with the system
    Power Consumption2200 W
  • Smart Fibre Determination System
    Select options This product has multiple variants. The options may be chosen on the product page / Details Quick View
    • Independent Sample Loading with individual mechanical controls for flexible and efficient operation.
    • 7-Inch Capacitive Full-HD Touch Display featuring an advanced GUI for seamless control, parameter settings, and real-time process monitoring.
    • Multiple Programs can be created for customized fibre extraction methods and repeatable workflows.
    • Inbuilt Scrubber removes fumes and vapors generated during fibre extraction, ensuring safe and clean operation.
    • Inbuilt Safety System with auto-error indication, over-temperature protection, and auto sensor-break protection.
    • Cold Water Condensation Line equipped with high-quality silicon hose interconnections for efficient and stable condensation.
    • Chemical-Resistant Tubing & Components engineered for long service life even in harsh laboratory environments.
    • Low-Maintenance Design with easy-access service areas and tool-less removal for cleaning and tubing replacement.
    • Smart Error Detection including alarms for low water flow, low reagent levels, temperature deviations, and system abnormalities.
    • Comprehensive Protection System featuring over-voltage, over-temperature, and dry-run protection for enhanced operational safety.
    • Energy-Optimized System reducing power consumption without compromising fibre extraction performance.
    • Heavy-Duty Laboratory Construction suitable for routine daily fibre extraction and demanding laboratory workloads.
    • Compact & Modular Architecture for easy integration into modern laboratory setups and simplified servicing or upgrades.
    • Role-Based Login supporting Admin and User accounts with separate permission levels.
    • Secure Authentication with password-protected login for controlled access.
    • Multiple Program Storage allowing users to save multiple programs internally.
    • USB Backup & Restore – export (download) all programs to a USB drive and import (load) programs for quick setup, sharing, or recovery.
    • Remote Monitoring & Control – optional Labs Connect module enables secure internet-based access to start/stop operations, view live status, check errors, and monitor progress remotely.
    Specifications:
    No. of Positions6 Samples
    Sample Size0.1 to 4g (depending on sample type)
    Temperature Control RangeRoom Temperature to 450°C
    Temperature Accuracy / Precision±0.5°C
    Heat SourceCeramic Infrared Heater
    CruciblesSintered silica glass crucibles with P1 porosity disc (6 Nos.)
    ExtractorMarked borosilicate extraction vessel
    Temperature ControlPID with auto-tuning facility
    Power Consumption2800W
  • ALL GLASS WATER DISTILLATION
    Select options This product has multiple variants. The options may be chosen on the product page / Details Quick View

    All Glass Water Distillation

    This is designed for precise and efficient operation, featuring advanced microcontroller-based electronic circuitry for seamless user interaction. The alphanumeric LCD displays real-time messages, providing clear and intuitive guidance during operation.

    • Environment-Friendly Design: Engineered for sustainable and efficient operation.
    • One-Touch Operation: Fully automatic, intelligent dual-stage system for ease of use.
    • Energy-Saving Control: Automatically turns off the heater and closes the cooling water inlet after reaching the set output volume, conserving energy and resources.
    • Boiler Safety: Detects low water levels in the boiler to prevent damage to the heater.
    • Cooling Water Conservation: Gate valve minimizes water wastage during power failures.
    • Built-In Safety Features: A flow switch shuts off the unit in case of cooling water failure, with buzzer alerts and error messages displayed until flow is restored.
    • User-Friendly Interface: Equipped with an alphanumeric LCD and keypad for easy settings and real-time system messages.
    • Advanced Functionalities: Includes auto-cleaning detection, probe error alerts, and soft calibration to adjust for seasonal temperature and flow rate variations.
    • Manual Override: Flow sensor and solenoid valve can be manually overridden when necessary.
    • Serviceability: Features a replaceable quartz heater for easy maintenance.
    • Enhanced Safety: Protects users and equipment from power or wattage fluctuations.

    Technical Specification:

    Model No.DN.WD.01DN.WD.02
    Output Cap. (approx.)2 ltrs/hr2-4 ltrs/hr
    StageDouble StageDouble Stage
    Cooling water requirement (approx.)2 ltr/min2-4 ltr/min
    Conductivity uS/cm0.8 - 1.00.8 - 1.0
    Power Rating (Total)3.0KW6.0KW
    AC Voltage220-240VAC220-240VAC
    AC Frequency50 - 60Hz50 - 60Hz
  • Hot Air Oven Cum Incubator
    Select options This product has multiple variants. The options may be chosen on the product page / Details Quick View
    Features.
    • Dual operation of Incubator and Hotair oven in same unit.
    • Forced air circulation by convection
    • Shelf Height adjustable to 7 heights
    • Round folding at the four corners for easy cleaning.
    • Glass window for viewing
    • Automatic cut off of Heater and blower when the door is opened.
    • Additional port for cross checking the temperature of the chamber.
    • Over voltage circuit breaker
    Technical Specification:
    Material of constructionOuter MS with powder coated finish and Inner stainless steel
    Capacity91 lit
    Dual Mode Operation (2 in 1)Hot air Oven Mode or Incubator Mode
    Inner dimension450 x 450 x 450 mm
    Outer dimension560 x 610 x 680mm
    Process controller4.3” TFT Touch screen controller
    DisplayFeather touch membrane key pad with touch screen. (Power, Oven, Incubator, heater)
    Temperature controllerHMI
    Temperature Range5 degree above ambient to 200 degree
    Temperature accuracyAt 120Degree-+/- 1%, At 37 Degree- +/- 0.1 Degree
    Temperature sensorPT 100
    Number of program5
    Number of steps5
    Programmable forTemperature and time
    HeaterStrip Heater
    Heater wattageOven-1625 W and Incubator-325 W
    No of Trays2
    Chamber insulationCeramic wool
    Over temperature protectionUsing thermostat
    Electrical requirement230v/50Hz/10A
     
  • Water Bath Cum Shaker
    Select options This product has multiple variants. The options may be chosen on the product page / Details Quick View
    (Touch Screen Version)Safety Features
    • Water bath and shaker in a single system.
    • Selection of mode in the touch screen
    • Absolutely noiseless operation.
    • Programmable system
    • Removable tray
    • Flexible Polyproplene Rubber Clamps reinforced with inner metallic cup for sturdy & rugged use for intact grip to perfectly hold the flask
    Technical Specification:
    Model1800.DNEU.03
    OperationWater bath or water bath shaker
    Material of constructionMS with powder coated finish
    Type of motionReciprocal motion
    SPM range50 to 150 Strokes per minute
    MovementLinear link guided drive mechanism
    Movement sensorIR scan sensor
    MotorStepper servo motor (Brushless)
    DriveServo drive
    Process controller4.3” TFT touch screen controller
    DisplayFeather touch membrane key pad with touch controller (Power, Heater)
    Temperature controllerPID controller
    Temperature range5 Degree above ambient to 100 Degree
    Temperature accuracy+/- 0.5Degree
    Temperature sensorPt 100
    No of program1 program, 5 steps for both shaker and water bath
    ProgrammableFor Strokes Per M inute, Temperature and Time
    HeaterImmersion Heater
    Heater power1500 W
    Water tankStainless steel
    Tank capacity15 lit
    TrayStainless steel, Removable
    Tray capacity250ml clamp-9 nos
    Hood or coverStainless steel
    Internal Recirculation pump for Temperature stabilityMagnetic pump
    External recirculation pump(optional) magnetic pump
    Electrical requirement230V/50Hz/ 6A
    Unit dimension25 x 25 x15inches
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