OEM/ODM Factory Plunger Dosing Pump – Micro Plunger Pump MP12.5-1A – Huiyuweiye

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OEM/ODM Factory Plunger Dosing Pump – Micro Plunger Pump MP12.5-1A – Huiyuweiye Detail:

MP Series Micro plunger pump is a small volume, high precision, long life products series. Mainly for equipment and instruments matching application.
It can transfer liquid less than 5ml. The users can drive the stepping motor to control it, or choose other driver. There are two kinds of drive to choose:
12.5-QD1 Without locked-rotor (speed range: 0.75-450rpm)
12.5-QD2 with locked-rotor (speed range: 90-450rpm)
Those two models have Electromagnetic valve drive interface, have RS485 communication interface. Address can be set, can connect more than 32 set pump.
Electronic locked-rotor protection function, It will stop working when locked-rotor.
Product type:

Product type	Plunger volume
MP12.5-1A	1000μL(1ml)
MP12.5-2A	500μL(0.5ml)
MP12.5-3A	100μL(0.1ml)
MP12.5-4A	2500μL(2.5ml)
MP12.5-5A	5000μL(5ml)

Technical parameter
Precision: ≤5‰
Stroke length: 2000 step (12.5mm)
Control precision: 1 step (0.00625mm)
Plunger speed: ≤12.5mm/0.8s
Max volume: 1ml
Life time:≥ 5 million times
Initial position detection: the initial position output low level, other position output high level
Max pressure: 0.68MPa
Valve fitting: 2 pieces of 1/4″-28UNF inner thread interface
Shell of pump head: PMMK and PEEK
Dimensions : 137.7mm×61.25mm×45mm
Operating condition: Temperature 10 to 40℃ Relative humidity 20%-80%
Weight: 0.5KG

♦ need to connect with one way valve when working

Steppper motor data
Step angle: 1.8°
Number of phases: 2
Phase voltage: 2.4V
Phase current: 1.2A
Electric resistance: 2Ω ±10%
Inductance: 4.2mH ±10%
Parameter of motor and sensor

Interface of motor		parameter of motor		interface of photoelectric sensor
color of wire	defination	item	parameter	color of wire	defination
black	A	angle of stroke	1.8°±5%	red	positive pole
		phase number	2
green		insulation resistance	≥100MΩ	black	negative pole
		insulation ratig	B
red	B	phase voltage	2.4V	white	+5Vpower supply
		phase voltage	1.2A
blue		reistance	2.0Ω±10%	blue	signal output
		electrical inductance	4.2mH±20%	green	ground wire

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