Eddy current displacement sensor

NegotiableUpdate on 01/14

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Nature of the Manufacturer: Producers

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Overview

The basic working system of JY-210 series eddy current displacement sensor consists of the measured object, probe, extension cable, and preamplifier. The preamplifier generates high-frequency oscillating current that flows into the probe coil through an extension cable. The coil generates an axial magnetic field, and when the measured metal body approaches this magnetic field, eddy currents are generated on the surface of the measured metal (the strength of the eddy currents varies with the distance between the probe and the surface of the measured body), causing a change in the Q value of the coil.

Product Details

JY-210WSeries eddy current sensors

Overview of JY-210W seriesEddy current displacement sensorThe basic working system consists of the tested object, probe, extension cable, and preamplifier. The preamplifier generates high-frequency oscillating current that flows into the probe coil through an extension cable. The coil generates an axial magnetic field. When the measured metal body approaches this magnetic field, eddy currents are generated on the surface of the measured metal (the strength of the eddy currents varies with the distance between the probe and the surface of the measured body), thereby causing the coil toQValue changes. When the distance is small, the eddy current effect is strong, and the coilQSmall value; When the distance is large, the eddy current effect is weak, and the coilQThe value is high. In practical applications, the coilQThe change in value is detected and amplified by the preamplifier, and converted into a change in voltage. Realize the mechanical displacement(gap)Convert the value into a voltage value.

1. Technical Specifications:

● power supply-24VDC±10%

● Frequency response:DC～5 kHz

● Resolution:1um

● Probe sensitivity error: ±3%

● Probe linear error: ±1%

● Operating Temperature

Probe operating temperature:-30℃～120℃ (can work normally within this temperature range)

Cable operating temperature:-30℃～120℃ (can work normally within this temperature range)

Operating temperature of preamplifier:-30℃～80℃

● Overall dimensions:80 mm×60mm×30mm

● Installation method: Installation adopts guide rail installation

2. Measuring range:

at room temperature25℃, tested material45#steel,power supply-24V±10%, load10KUnder the condition of Ω, satisfy:

Probe diameter(mm)	linear range(mm)	linearity	sensitivity	Sensitivity error
Probe diameter(mm)	linear range(mm)	linearity	（v / mm）	Sensitivity error
F5	1	±1%	8	2%
F8	2	±1%	8	2%
F11	4	±1%	4	2%
F25	10	±1.5%	0.8	3%

3Selection instructions:

JY-210Selection guide for series eddy current sensors:

(1) Probe selection instructions:
JY-210T-A□□-B□□-C□□-D□□-E□□-F□□

AProbe diameter		BProbe without thread length		CProbe thread length		DProbe thread specification		Ecable length		FMetal armor
05	5mm	00	0mm	50	50mm	G1	M10*1.0	10	1.0m	00	Unarmored
08	8mm	05	5mm	30	30mm	G2	M14*1.5	05	0.5m	01	Armored
Fill in according to actual size		Fill in according to actual size		Fill in according to actual size		G3	M30*2.0	90	9m
TT	Special Orders	TT	Special order	TT	Special order	TT	Special order	TT	Special order

(2) Extension cable selection instructions:
JY-210Y-A□□-B□□

Acable length		BMetal armor
40	4m	00	Unarmored
45	4.5m	01	Armored
80	8.0m
85	8.5m
TT	Special order

(3) Selection instructions for preamplifier
JY-210Q-A□□-B□□-C□□-D□□

ADiameter range		Boutput characteristics		Cpower supply		DTotal length of cable
02	2mm	V0	-2～-18V	P1	-24V	M1	5msystem
10	1mm	I0	4～20mA	P2	24V	M9	9msystem
04	4mm	V1	1～5V	TT	Special order	TT	Special order
08	8mm	V2	1~10V
10	10mm	V3	0~5V
TT	Special order	TT	Special order