Shen ChangHong 
Product Details
Custom Matching
Technical Specifications
Measuring range | Total Nitrogen：0.00～10.00 ; 10.0～100.0mg/L（dilute if excess the measuring range） |
Measuring accuracy | 0.01 mg/L ; 0.1 mg/L |
Indication error | ≤±5 % |
Repeatability | ≤±2% |
Optical stability | Absorbance drift ≤0 .002A/20min; Light source lifespan 100,000 hours |
Testing standard | BS ISO 23696-2:2023 |
Analytical method | Chromotropic acid spectrophotometry (Colorimetric tubes) |
Processing capacity | 16 samples per run |
Temperature control system | Total nitrogen digestion temperature: 125℃; Temperature range: room temperature~200℃; Digestion time: 1~9999min；Temperature accuracy：±0.5℃ |
Digestion period | 30min |
Curve and Storage | 200 factory calibration curves, 3500 user-defined curves; Can store 100,000 records |
Display | Instrument: 5 inch 800*480 color touchscreen; Digester: 3.5 inch 480*320 color touchscreen |
Printer | Built-in thermal printer |
Power | Instrument: 30W Digester: 300W |
Dimension | Instrument：387mm*292mm*134mm Digester ：249mm×350mm×199mm |
Weight | Instrument：2.6kg Digester：5.6kg |
Data interface | USB |
Working environment | (1) Ambient temperature: 5~40℃ ⑵ Relative humidity: ≤85% ⑶ Power supply: AC 220 (165V-240V) (4) No significant vibration and electromagnetic interference, avoid direct sunlight. |
Functional Features
Utilizes cold light and monochromatic light sources, ensuring exceptional optical stability without interference from various light sources.
Simple operation with high measurement accuracy, meeting the latest discharge standards.
Large LCD screen; all settings, calibration, and record operations are performed within the integrated environment.
Strong anti-interference capabilities using V/F conversion, software redundancy, and software traps.
Can store working curves and historical records; users can calibrate and store their own curves, with data retention even during power outages.
Can store 150 factory curves and 1000 records, with data retention even when powered off.
The main unit casing is made of post-mold ABS material, offering excellent corrosion resistance.
Packing List
Main Unit: 1 piece
Digester: 1 piece
Colorimetric tube: 5 tubes (16*110mm)
Tube rack: 1 piece
Reagent: 1 kit
Power Cord: 2 piece
Manual: 1 copy
Certificate of Conformity: 1 copy
Warranty Card: 1 copy
