8-channel Pipette
The 51AP series 8-channel pipette uses a dual guide shaft structure and a leadscrew for precise liquid handling, driven by a high-performance 1.8° two-phase stepper motor. It supports 5μL and 1000μL dispensed volume, with optical detection ensuring precise positioning and automated tip ejection. The pipette ensures stable quantitative performance throughout its lifecycle, with a lifetime exceeding 1 million cycles and no maintenance required. Constructed with chemically resistant materials, it guarantees durability and high wear resistance for the entire service life.
Key Parameters:
Configuration
Reference Model:
51AP-8
SPEC
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Comparison/Performance
8-channel Pipette
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Type
8-channel
4-channel
Specifications
300ul
1000ul
1000ul
Dispensed Volume
3~300ul
5~1000ul
5~1000ul
Tip-to-tip Spacing
9mm
9mm
21mm
Liquid Level Detection
PLLD
PLLD
Not have
Communication
RS485, CAN
Baud Rate
RS485: 9600, 38400 (default)
CAN: 100K, 125K, 250K, 500K (default ), 1000K
Max. Aspiration/
Dispensing Speed
700ul/s
1700ul/s
1700ul/s
Pipetting Resolution (64 divisions)
0.0039ul
0.0088ul
0.0061ul
Operating Temperature
+15~+35℃
Voltage
24V DC
ADP Lifetime
1 million cycles
Nozzle lifetime
30,000 cycles/1 year
30,000 cycles/1 year
Metal nozzle, 1 million cycles
Tip Pickup Force
70N
70N
120N
 
The pipette features dual guide shaft structure ensuring smooth movement stability. A lead screw mechanism drives the push plate along guide shafts, enabling precise control through stepper motor rotation steps for accurate liquid aspiration and dispensing.

Key Features
:
Capacity Options: Available in 300μL and 1000μL for versatile laboratory applications.
Superior Accuracy: Maintains exceptionally high and stable precision throughout the entire product lifecycle.
Precise Stroke Control: Plunger aspiration/dispensing stroke of 25mm/36mm, tip ejection stroke of 9.5mm/8.6mm for optimal performance.
Optical Position Detection: Advanced photoelectric sensors detect plunger initial position and tip ejection status for reliable operation monitoring.
High-Performance Motor: Long-life 1.8° two-phase stepper motor ensures consistent performance and reliability.
Automatic Tip Ejection: Integrated automatic tip removal functionality for enhanced workflow efficiency.
Extended Durability: Advanced cylinder machining technology, rigorous testing procedures, and unique sealing solutions guarantee 1 million cycles lifespan without maintenance requirements.
Chemical Resistance: Tip-contact components feature excellent chemical resistance and wear properties, eliminating tip adapter replacement needs throughout product lifecycle.
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8-channel ADP
Keyto Machining Factory
Keyto Quality Control (1)
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