SADP18P Air Displacement Pipette
SADP18P Air Displacement Pipette
The Superb Air Displacement Pipette 18 Plus (SADP18P) delivers precision automated pipetting from 2-1000μL with 18mm tip-to-tip spacing for multi-channel configurations. This lightweight 240g module features integrated drive control with CAN/RS485 interfaces, advanced liquid level detection, clot detection capabilities, and automatic tip ejection with monitoring functions. Built with durable pneumatic cylinders rated for 1 million cycles and chemical-resistant nozzles, it provides reliable contamination-free pipetting for sensitive laboratory platforms.
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SADP18P
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SADP18P Air Displacement Pipette
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Model SADP18P
Cable FFC (Flexible Flat Cable)/ flexible towline cable
Structure Plunger
Liquid Level Detection pLLD+cLLD
Function 1.Automatic pick-up, eject the tips(require Z-axis)
2.Tip presence sensor
3.Liquid level detection
4.Liquid level following(require Keyto Z-axis)
5.Clot detection
6.Anti-droplet control
7.Bubbles/foam detection
8.Aspiration of air detection
Pipetting Range 2ul-1ml
Fastest Aspirete and Dispense Speed 1000ul/s
Fastest Liquid Level Detection Speed 3-5ms
CV at Minimum Dispense Volume @50ul tip 2ul, 5%
CV%, Dispense 5 ul @50ul tip 3%
CV%, Dispense 10 ul @200ul tip 2%
CV%, Aliquot Dispense 20 ul @1000 ul tip 3%
Tip Volume 10μL/50μL/200μL/1000μL
Minimum Tip-to-tip Spacing 18mm
Communication CAN, RS485
Motor Stepper Motor
Z-axis Compatible HSZ
Movement Mechanism Compatible Y
Aspiration Monitor Y
Lifetime 1 Million Cycles
Power 24VDC
Max Pipetting Units 4 units
Dimensions 251*43*17 mm
Weight ≤220g


   Repeated Liquid Level Detection:

  • Mitigating Liquid Surface Fluctuations and Interference Liquid surfaces may experience micro-fluctuations due to temperature variations, reagent evaporation, or mechanical vibrations. Single detection attempts are susceptible to interference and false readings. Repeated detection eliminates errors through multiple verifications, enhancing positioning reliability.
  • Preventing Equipment Damage and Sample Loss If initial detection fails due to tip misalignment or bubble interference, repeated detection can promptly correct pipetting depth, preventing tip damage from touching the container bottom or reagent waste from dry aspiration.
  • Minimizing Tip Consumption Maximizes tip utilization by enabling multiple detection cycles with a single tip, optimizing consumable costs and streamlining experimental workflows while reducing waste and improving pipetting efficiency.

 


   
Capacitive/P
ressure Based Hybrid Liquid Level Detection:

Capacitive sensors detect conductive liquid surfaces while pressure sensors verify liquid resistance.

  • High Precision and Stability Dual detection systems maintain liquid level positioning accuracy within ±0.5mm and eliminate environmental interference (humidity drift, electromagnetic noise) through real-time calibration.
  • Enhanced Fault Tolerance Multi-sensor coordination identifies liquid level anomalies, provides timely alerts, and pauses operations to reduce equipment failure rates.
  • Improved Experimental Efficiency In high-speed pipetting scenarios, repeated detection completes verification without additional steps, reducing overall process time.
  • Compatibility with Complex Liquid Properties Different liquids exhibit significant variations in conductivity, viscosity, and transparency (polar reagents, viscous blood, transparent buffers). hybrid LLD covers a broader range of liquid types.

 


   Automatic Tip Pick-up/Ejection/Detection:

  • Cross-Contamination Prevention Prevents pipetter execution of aspiration without tips, avoiding contamination, especially critical in high-throughput experiments (PCR, drug screening), significantly reducing cross-sample contamination risks.
  • Enhanced Operational Efficiency Batch high-speed tip ejection reduces single operation time by over 30% in multi-channel pipetting scenarios, supporting continuous batch processing.
  • Equipment Longevity Protection Precision mechanical control of tip ejection pressure reduces wear on pipette pump components, extending equipment lifetime.

 


   Single Aspiration, Multiple Dispensing:

  • Efficiency Optimization Eliminates frequent aspiration-dispensing cycles (such as batch aliquoting to microplates), reducing process time by approximately 40%.
  • Residual Volume Control Segmented dispensing minimizes liquid retention on tip inner walls, reducing waste of high-value reagents.

 


   9mm Parallel Configuration:

  • Compact Design and Compatibility The 9mm thickness design integrates more pipettes (8-channel or 16-channel) in limited space, compatible with standard deep-well plate layouts, reducing equipment footprint while improving pipetting efficiency.
  • Flexibility and Fault Tolerance Enables one-to-one correspondence of pipetting positions without system calculation of corresponding wells, reducing error probability.

 


   
   Plunger
-Type Cylinder Design:

  • Superior Linearity and Higher Precision Plunger movement trajectory exhibits higher linear matching with motor/stepper drive signals. Software can precisely compensate displacement-flow curves, further enhancing linear performance. Compared to plunger-type designs with single-action mechanisms and external sealing structures that rely on external forces for return strokes, Plunger-type systems avoid flow attenuation at stroke endpoints that causes linearity degradation.
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