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Shanghai Tongwei Analytical Technology Co., Ltd.

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BrandUnimicro Technologies
OriginShanghai, China
Manufacturer TypeOriginal Equipment Manufacturer (OEM)
Regional ClassificationDomestic (China)
ModelAS1020
Instrument TypeHPLC Autosampler
Sample Capacity120 × 1.8 mL vials (2 × 60-position racks)
Injection ModesFull-loop, Partial-loop, and Needle-Over-Loop (NOL) / Zero-dead-volume injection
Minimum Injection Volume0.1 µL (with 250 µL syringe pump)
Syringe Pump Volume250 µL (standard)
Loop Volume100 µL (standard)
Injection Valve Switching Time<100 ms
Positioning Accuracy<0.3 mm
Motion ArchitectureXYZ three-axis Cartesian coordinate system
Needle WashDual internal/external wash with programmable unlimited rinse cycles
Carryover<0.01%
Precision (RSD)<0.5%
Linearity (r²)>0.999
Dimensions (W×D×H)300 × 505 × 230 mm
Power SupplyAC 220 V, 50 Hz
Operating Temperature Range10–40 °C
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