80mm Magnetostrictive Displacement Sensor For Servo Cylinder

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Model: RDDLZ-MSD-0080
Weight: 1.00
SKU: RDDLZ-MSD-0080

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Magnetostrictive linear displacement sensor with measuring range 80mm is used for the piston position preset and feedback, such as the piston position of servo cylinder. Magnetostrictive sensors also can be used in most industrial automation systems.

Specification:

Basics	Model	RDDLZ-MSD-0080
	Measuring range	0~80 mm
	Shipping weight	1 kg
	Length	279.3 mm
	Diameter	51 mm
Technical parameters	Linearity	≤0.03%FS
	Repeatability	≤0.003%FS
	Resolution ratio	≤0.001%FS
	Hysteresis	≤0.001%FS
	Working Voltage	24V /12V DC
	Working current	Voltage /digital output type≤16mA; Current output type≤35mA
	Output method	0~5V / 0~10V / 4~20mA / 0-20mA RS485 binary digital signal / SSI gray code signal
	Product type	Normal type; Explosion-proof type; Anti-corrosion type
	Measuring rod material	0Cr18Ni9 (304) or 316L stainless steel (secial custom-made)
	Measuring rod diameter	Ф10mm
	Electronic bin material	1Cr18Ni9 (304)
		304 and PTFE casing outside (Anti-corrosion type, special custom-made)
		1Cr18Ni9Ti and protection cover outside (Anti-corrosion type, special custom-made)
	Connecting screw thread	M18×1.5; M20×1.5; 3/4-16UNF
	Type of lead wire	PVC shielded cable; aviation plug (not applicable to explosion-proof type)
	Measuring rod pressure	40MPa, 70MPa (Explosion-proof type)
	Temperature	T1: 0~+ 70℃, T2: -25~+80℃, T3: -40~+120℃
	Buffer area	Front-end of buffer 50.8mm (electronic bin), the end of the buffer 63.5mm (the buffer area can be custom-made)
	Vibration	100g, IEC standards 68-2-715g /10-2000Hz IEC standards 68-2-6
	Protection Class	IP67
	Explosion-proof level	Explosion-proof type: EXd II BT5

Installation diagram (unit: mm):
1. PG7 connection

2. Explosion-proof connection

3. External installation

Tips: Working principle of magnetostrictive sensor
Magnetostrictive displacement (liquid level) sensor is mainly comprised of measuring rod, electronic bin, non-contact magnet ring or floating ball skewered on the measuring rod. Magnetostrictive line (waveguide) is installed in the measuring rod. The measuring rod is made of non-conductive magnetic stainless steel, and protects the waveguide reliably. When it works, the electronic circuits in electronic bin generate one start pulse, which also generates one rotational magnetic field advancing along the waveguide while transmitted in waveguide. When this magnetic field encounters into the permanent magnetic field in magnet ring or floating ball, magnetostrictive effect will be generated. Thus, the waveguide becomes twisted promptly. The twisting is sensed by the enabling mechanism installed in the electronic bin and also changed to the corresponding current pulse. Through the time difference between the two pulses calculated from the electronic circuit, the detected displacement and liquid level can be measured precisely.

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