MP series miniature plunger pumps
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- Product Description
MP series miniature plunger pumps
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- Commodity name: MP series miniature plunger pumps
It features extremely high dispensing precision and accuracy, and its main function is to achieve constant flow delivery of liquid media.
Product Introduction
◆ The MP series miniature plunger pump is a precision dispensing pump independently developed by DICHUAN Company. Its main function is to achieve constant flow delivery of liquid media.
◆ This miniature plunger pump has extremely high dispensing precision and accuracy.
◆ Without affecting precision and accuracy, the service life can reach more than 5 million cycles. It is a high-performance, low-cost, maintenance-free precision dispensing pump.
Technical Parameters
Plunger Pump Specifications 8 specifications in total: 25ul, 50ul, 100ul, 250ul, 500ul, 1ml, 2.5ml, 5ml Repeatability Accuracy (using deionized water as an example) 100% dispensing: <0.1%, Full stroke dispensing accuracy ≥99.5%, 10% dispensing: <0.5%, 1% dispensing: <2% Accuracy Full stroke dispensing accuracy ≥99.5% Plunger Full Stroke 12.5mm (2000 steps) Plunger Movement Speed ≤12.5mm/0.8s Stroke Resolution 0.00625mm or 1 step Service Life Advanced zirconium ceramic plunger processing technology and sealing technology ensure that the pump's service life can reach more than 5 million cycles without maintenance. Materials in Contact with Liquid The pump head material is standardly configured as acrylic (PMMA), plunger material: zirconium ceramic TZP, sealing ring material: ultra-high molecular weight polyethylene UHMW-PE, fluororubber VITON Drive Motor Long-life, high-performance 1.8° two-phase stepper motor Position Detection End position optical detection, photoelectric reset sensor can locate the pump's initial state in a fully aspirated or fully dispensed state Working Pressure 0～0.68Mpa Threaded Interface The pump head is connected to the external pipeline via a 1/4″-28 internal threaded flat bottom interface. External Power Supply Voltage DC24V, Current 1.2A Working Environment Temperature 10℃～40℃, Humidity 20%～80% Plunger Pump Drive This miniature plunger pump cannot work independently and requires external control circuits and external pipelines. Selection Guide
Product Model
Single Infusion Volume
Pump Head Housing Material
Product Model
Single Infusion Volume
Pump Head Housing Material
MP100-1L
100uL
PMMA
MP100-2L
100uL
PMMA
MP500-1L
500uL
PMMA
MP500-2L
500uL
PMMA
MP1000-1L
1mL
PMMA
MP1000-2L
1mL
PMMA
MP2500-1L
2.5mL
PMMA
MP2500-2L
2.5mL
PMMA
MP5000-1L
5mL
PMMA
MP5000-2L
5mL
PMMA
Dimensions
Working Principle
◆ Stepper motor drive, screw rod transmission, pushing the plunger to reciprocate in the pump head. Positive or negative pressure is formed at the pump head interface to achieve fluid discharge or suction.
◆ Photoelectric sensors are used for zero-point detection to ensure accurate positioning.
Motor Parameters and Interface
General Technical Parameters
Electrical Technical Parameters
Step Angle
1.8°±5%
Phase Voltage
2.4V
Number of Phases
2
Phase Current
1.2A
Insulation Resistance
100MΩ MIX
Resistance
2.0Ω±10%
Insulation Class
Class B
Inductance
4.2mH±20%
The motor (2-phase) is connected to the external control circuit via a 2510KF-4P plug. The wiring diagram is shown below:
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