YD9800 eddy current displacement sensor consists of a YD9800 probe、a YD9800 extension cable and a YD9800 proximity sensor，which can be used to measure the relative position of object (must be a metal conductor) and the probe end. Because of its features of non contact measurement, long-term high working reliability, high sensitivity, strong anti-interference ability, fast response speed and no oil-water and other medium influence, it is often used for long-term real-time monitoring the shaft displacement, shaft vibration, shaft speed and other parameters of the large rotating machinery, to analyze the work condition and failure reason of the equipment, in order to protect the equipment and do predicting repair effectively. It can measure displacement, amplitude, speed, size, thickness, surface unevenness and is intended for use with centrifugal air compressors , refrigeration compressors , process gas compressors and other machines with tight installation requirements.

Production process

YD9800 eddy current proximity sensor adopts many international leading technologies and is produced according to American military standards. The probe adopts new PPS engineering plastics and double injection molding process to ensure good probe sealing, dimensional stability and interchangeability. The built-in circuit fault-tolerant design ensures that any wiring errors will not be damaged; the housing adopts die-casting technology, the high-frequency socket is concave, the terminal is inlaid and protected, and the engineering plastic is isolated and insulated, which is sturdy, safe and convenient. Advanced phase frequency characteristic test and control method, dynamic characteristics are at the international leading level.

Technical details
General data
Design	Proximity distance（displacement） transmitter
Sensor type	Electromagnetic induction
vibration range	Displacement: 0~10mm（customization）
Probe	working temperature is -50～ +175°C		temperature drift ≤0.05%/°C
preamplifoer	working temperature is -50～ +120°C		temperature drift ≤0.05%/°C
Frequency response	0 ~ 10kHz; amplitude frequency characteristics: when 1kHz, it is -1%; when 10kHz, it is -5%; phase frequency characteristics: when 1kHz, it is -1 degree; when 10kHz, it is -100 degree.
Output characteristics	Negative oltage output	Power supply: -18Vdc～ -24Vdc power consumption ≤ 12mA ( not including the output current )
		4 ~ 20mA current output Power supply: +18Vdc～ +30Vdc Power consumption ≤ 12mA ( not including the output current )
interchangeability	error≤5%
Resolution ratio	0.05%
IP grade	IP68
Shell materisl	Stainless steel (materials can be changed according to user requirments
Explosion-proof grade	Ex ia IIB T6 Ga No.CN Ex15.0011X

Further information
Features and Advantages
1	Explosion-proof, YD9800 has passed the national explosion-proof certification;
2	" the best parameter matching of coil temperature stability" technology ensure a good stability of probe temperature;
3	working temperature range expanded to -50℃～+175℃;
4	" deformation connection" technology, higher strength and reliability of probe;
5	" deep negative feedback stability resonant loop" technology, make the preamplifier stability reach (0.05%/℃,0.02%/year );
6	Proximitor circuit adopts the fault-tolerant design to ensure that any wiring errors will not make damage;
7	The shell of the proximitor adopts die casting technology, high frequency socket concave, wiring terminal mosaic protection and engineering plastics insulated structure, in order to make the preamplifier more solid and more convenient to use and install.
8	using the new PPS engineering plastics through" two injection" technology to ensure the good sealing of the probe, dimensional stability and exchange ability;
9	YD9800 eddy current probe sensor is equivalent to 3300 XL Proximity Transducer System from Bently Nevada
Applications
	YD9800 eddy current displacement sensor is used in the industrial fields of electric motor, electric power, petrochemical, metallurgy, etc. It can be used to measure the displacement, vibration, speed of the machine, monitor the vibration state of the machine online, and make real-time fault analysis; especially widely used in steam turbines,generators, blowers, compressors, gearboxes, etc.
Services
Minimum order quantity	1 sample quantity, convenient for you to test product
Product warranty period	up to 18 months
Instant reply	professional business team is available 24 hours online to serve you
Fast delivery strategy	sufficient inventory. It will take 3-5 working days after receiving your advance payment if items are in stock.
Customized service	according to your requirements, different application, different parameters, product customization is available
Great after-sales service	any condition affecting the use of the product during the warranty period will be replaced free of charge with NO EXCUSE. We guarantee unconditional technical support for life.

YD9800-A□□-B□□-C□□-D□□-E□□-F□□-G□□-H□□

A Diameter of the probe head(mm)

B thread mounting

C Thread mounting

D Unthread length

E Shell length

F The probe cable length

G Armoured

H Cable length

01：Φ5

02：Φ8

03：Φ11

04：Φ18

05：Φ25

06：Φ50

01：M8*1

02：M10*1

03:M14*1.5

04：M30*2

05：1/4-28

06：3/8-24

07：1/2-20

08：5/4-12

09： Special customized

01：standard

02：reverse

03：the cable side out

04： flanged mounted

00:00mm

01:01mm

02:02mm

.....

10:10mm

20:20mm

50:50mm

250:250mm

40:4.0m

50:5.0m

80:8.0m

85:8.5m

90:9.0m

00:with armour

01：without armour

00：no

40:4.0m

50:5.0m

80:8.0m

85:8.5m

●Selection of the front end

CWY-DO-A□□-B□□-C□□-D□□

A Range

B Diameter of probe

C Cable length

D Output form

01:0-01mm

02:0-02mm

.....

10:0-10mm

05:Φ5

08:Φ8

11:Φ11

25:Φ25

50:50

05:5m System

09:9m System

01:0～5V

02：0～10V

03：-2～-18V

04：-4～-20V

05：4～20mA

06:2～18V

07:1～5V

08:1～10V

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Eddy Current Probe Sensor