ZDDN-9870A/B HF Fully Automatic Kjeldahl Analyzer with special operating system for chemical and compound fertilizer analysis
Analysis range 0.1–240 mgN with recovery rate 99–101% and RSD ≤0.5%
10-inch color LCD touchscreen, Windows 10 system with 27-inch computer, supports 1 million data storage and built-in protein coefficient calculation
Automatic titration and distillation, internal standard titrant calibration, alkali pipeline cleaning, and sample weighing data automatic upload
Distillation time and titration speed freely adjustable, standard/drip while steaming titration mode, safe alkali addition 0–99 seconds
Energy-saving built-in refrigeration system (-5℃ to 30℃), automatic shutdown after 60 minutes, circulation pump flow 10L/min
Integrated 5.7cm thermal printer, multiple communication interfaces including 232, Ethernet, computer, electronic balance, and reagent level monitoring
 

ZDDN-8900 Fully Automatic Kjeldahl Analyzer with 40-sample autosampler for high-throughput nitrogen and protein analysis
Analysis range 0.1–240 mgN with recovery rate 99–101% and RSD ≤0.5%
10-inch color LCD touchscreen with 1 million data storage capacity and built-in protein coefficient calculation
Automatic titration and distillation, alkali pipeline cleaning, and sample weighing data upload for high efficiency
Distillation time and titration speed freely adjustable, standard/drip while steaming titration mode
Energy-saving built-in refrigeration system, safe alkali addition, automatic shutdown after 60 minutes
Integrated printing, communication interfaces include 232, Ethernet, computer, electronic balance, and reagent level monitoring
 

Automatic Kjeldahl Protein Analyzer with microcomputer control for accurate nitrogen and protein determination in food, feed, soil, water, dairy, and chemical samples
Supports automatic and manual modes, with automatic distillation, water addition, and water level control
Large LCD touch screen for easy operation, stores up to 250 analysis procedures
Measurement range 0.1–200 mgN (0.1%–99% nitrogen), recovery rate ≥99%, relative standard deviation <±1%
Distillation time 5–15 minutes, voltage AC 220V/50Hz, cooling water consumption 3L/min
Durable, acid- and alkali-resistant ABS and plastic spray steel construction, with multiple safety protections
 

Semi-automatic Kjeldahl Nitrogen Analyzer for accurate determination of nitrogen content in food, feed, soil, water, dairy, and chemical samples
Composed of digestion furnace with numeric display and azotometer distillatory for efficient and consistent performance
Infrared radiation heating enables thorough digestion in 40-90 minutes depending on sample type
Measurement range 0.1–200 mgN (0.1%–99% nitrogen), recovery rate ≥99%, repetition relative standard deviation <±1%
Distillation time 5–15 minutes, voltage AC 220V/50Hz, cooling water consumption: digestion 5L/min, distillation 3L/min
Semi-automatic operation improves efficiency compared to manual methods, suitable for laboratories in food, agriculture, and environmental testing
 

Fully automatic organic solvent extractor with 7-inch color touch screen and intuitive menu-based program editing
Supports up to 40 program segments, multi-temperature, multi-level or cyclic soaking, extraction, reflux, and valve control
Recipe management stores up to 99 analysis programs, automatic lifting and pressing system for consistent sample immersion
Integral metal bath heating block with wide temperature range RT+5℃ to 300℃, high temperature control accuracy ±1℃
Two solvent cups (aluminum alloy and glass) with solvent recovery rate ≥85%, electromagnetic automatic solvent return
Electronic refrigeration cycle cooling system built-in (PZF-06A), energy-saving and environmentally friendly
Determines 6 samples per run, sample weight 0.5–15g, heating power 1500W, cooling power 500W, voltage 220V/50Hz
 

Rotary evaporator with 3L rotary bottle and 2L collection bottle, suitable for evaporation, concentration, and solvent recovery
Integrated upright double-layer serpentine coil condenser for high recovery efficiency
Brushless motor with stepless electronic speed regulation, rotation 0-200 rpm, LCD display for speed and temperature
Aluminum alloy + PTFE composite heating pot with PT100 sensor, temperature range room temp–99℃ ±1℃, 1200W heating power
Electric lift with 120mm stroke, easy operation via tilt-type handle switch, dual fuses for rotation and heating safety
High borosilicate glass and PTFE components in contact with material, vacuum 0.098Mpa, dosing and vacuum suction valves included
Compact footprint 690490(810-930) mm, total power 1260W, net weight 21.5kg, package 26kg
 

Rotary evaporator with 30L rotary bottle and 20L collection bottles, ideal for evaporation, distillation, concentration, and solvent recovery
Vertical three-layer serpentine coil condenser with main and auxiliary cooling for high efficiency and recovery rate
Brushless motor with frequency converter for rotation, handwheel bath lift 180mm, speed 0-120 rpm, digital display for speed and temperature control
Heating bath 76L with K-type sensor and stainless steel probe, temperature range room temp–180℃ ±1℃, thermostatic control, over-temperature and anti-dry protection
PTFE + glass discharge and dosing valves, vacuum switching valve allows continuous collection and discharge, vacuum 0.095Mpa
Construction with high borosilicate glass, PTFE, stainless steel, and corrosion-resistant aluminum alloy frame for safety and durability
Overall dimensions 13307302340mm, total power rotary 220V/50Hz, heating 380V/50Hz, package weight 186kg
 

Rotary evaporator with 50L rotary bottle and 20L collection bottles, designed for large-scale evaporation, distillation, and solvent recovery
Vertical three-layer serpentine coil condenser with main and auxiliary cooling for efficient condensation and high recovery rate
Brushless motor with frequency converter for rotation, handwheel bath lift 180mm, speed 0-120 rpm, digital display for speed and temperature control
Heating bath 76L with K-type sensor and stainless steel probe, temperature range room temp–180℃ ±1℃, thermostatic control, over-temperature and anti-dry protection
PTFE + glass discharge and dosing valves, vacuum switching valve allows continuous collection and discharge, vacuum 0.095Mpa
Construction with high borosilicate glass, PTFE, and corrosion-resistant stainless steel and aluminum alloy frame for safety and durability
Dimensions 13307302340mm, total power 8180W, rotary 220V/50Hz, heating 380V/50Hz, package weight 186kg
 

Rotary evaporator with 50L rotary bottle and 20L collection bottles, suitable for large-scale evaporation, distillation, and solvent recovery
Vertical three-layer serpentine coil condenser with main and auxiliary cooling for high recovery efficiency
Brushless motor for rotation and lifting, electric lift stroke 215mm, speed 0-120 rpm, LCD display for rotation, temperature, and lift control
Heating bath 76L with PT100 sensor and stainless steel probe, temperature control range room temp–180℃ ±1℃, over-temperature and anti-dry protection
PTFE + glass discharge and dosing valves, vacuum switching valve for continuous collection, high sealing performance, vacuum 0.095Mpa
Construction with high borosilicate glass and PTFE, corrosion-resistant stainless steel and aluminum alloy frame, safe and durable
Dimensions 13907002300mm, total power 8140W, voltage 380V/50Hz, package weight 142kg
 

Rotary evaporator with manual bath lift, lifting stroke 120mm, suitable for 1L, 3L, and 5L flasks
Vertical condenser options: double-pipe convection for inorganic solvents, single-pipe water/ice-cooled for organic solvents
High borosilicate glass rotating shaft with PTFE sealing, stainless steel/aluminum alloy structure for corrosion resistance
Electronic stepless speed regulation 0-120 rpm, digital speed and temperature display, intelligent temperature control 0-400℃ ±1℃
Stainless steel movable heating bath, strong corrosion resistance, long service life
Vacuum display included, continuous feeding and PTFE discharge valve (model dependent)
Dimensions vary by model: PE-201D, PE-301, PE-501; voltage 220V/50Hz; optional explosion-proof inverter and motor