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| Brand Name : | Shandong Shengtai Instrument | 
| Model Number : | STNY-105B | 
| Certification : | NYT 1860.18-2010 | 
| Payment Terms : | T/T | 
| Supply Ability : | 10000 sets/year | 
| Delivery Time : | 7-15 work days | 
STNY-105B Touch screen of pesticide specific rotation tester
The STNY-105B pesticide specific rotation meter is designed and manufactured in accordance with the NYT 1860.18-2010 Guidelines for Testing the Physical and Chemical Properties of Pesticides Part 18: Specific Rotation Method. It is a specialized instrument for measuring the specific rotation of pesticides. Using touch screen display and LED or other cold light sources, it has a long service life and can detect optical rotation, specific rotation, concentration, etc
Specific optical rotation
At a certain temperature T, the specific rotation of polarized light at a specific wavelength passing through a 1dm light tube and a 1g/L liquid of light substance is called the specific rotation at that wavelength and temperature.
Performance characteristics
lBuilt in Peltier temperature control to improve accuracy and stability.
lLED light sources with a lifespan exceeding 100000 hours make up for the shortcomings of short lifespan and easy damage;
lTo ensure the measurement accuracy of the results, the temperature control technology of the instrument adopts a built-in Parcel patch, replacing the traditional flow cell;
lThe measurement range has been upgraded to ± 89 ° (optical rotation), improving the limitations of the measurement sample and enhancing its selectivity;
lThe control adopts systematization, high integration, full automation, and is convenient and easy to operate;
lUpgradeable multi-level synchronous retrieval function, which can retrieve historical data based on test date, sample number, etc.
Main technical parameters
| Power supply | 220V±22V,50Hz±1Hz,250W | 
| Display method | 7-inch TFT true color touch screen | 
| Light source | LED Cold light source+high-precision interference filter | 
| Measurement mode | Optical rotation, specific rotation, concentration, | 
| Measuring range | Optical rotation±89.99° | 
| Measurement accuracy | ±0.01°(﹣45°≤Optical rotation≤+45°) | 
| Temperature control method | Built in Parcel Patch | 
| Temperature range | 15℃-35℃(peltier) | 
| Temperature control accuracy | ±0.2℃ | 
| Minimum reading | 0.001° (Optical rotation) | 
| Repeatability | (standard deviation s)0.002°(Optical rotation) | 
| Minimum transmittance of measurable samples | 1% | 
| Working wavelength | 589.3nm | 
| Thermostatic rotation detection tube | 100mm | 
| Output method | USB , RS232 | 
| Net weight of instrument | 24kg | 
| Data storage | 1000 | 

Packing list
| S/N | Name | Quantity | Unit | Remarks | 
| 1 | Main engine | 1 | Set | |
| 2 | Sodium lamp | 1 | Piece | Spare | 
| 3 | Thermostatic rotary tube 100mm | 1 | Piece | |
| 4 | Test tube protective film | 8 | Piece | Spare | 
| 5 | Test tube rubber gasket | 8 | Piece | Spare | 
| 6 | Power cord, RS232 interface cable | 1 each | Piece | |
| 7 | Fuses(1.5A,3A) | 8 | Piece | 4 each , spare | 
| 8 | Screwdriver | 1 | Piece | |
| 9 | User manual | 1 | Copy | |
| 10 | Product Qualification Certificate | 1 | Copy | 

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| Company Info. | 
| Shandong Shengtai instrument co.,ltd | 
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