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LVDT
Product Name: LVDT differential transformer type (four-wires system)
Product Summary:
Differential Transformer Displacement Transducer (LVDT) has the characteristics of high precision, good dynamic characteristics, reliable operation and convenient use. Ideal for high precision, repeatable measurements in quality control and metrology applications. Can be widely used in aerospace, machinery, construction, textiles, railways, coal, metallurgy, plastics, chemical industry and scientific research institutions and other industries of the national economy, high-tech products used to measure elongation, vibration, object thickness, expansion, etc. .
 
The LVDT displacement sensor four-wire system uses an integrated single-chip solution with excellent performance. The length of the same range of LVDT20 can be shortened by two-thirds, which is especially suitable for occasions with small installation space! The measuring head is made of high-hardness wear-resistant silicon nitride ceramics, and the moving part of the measuring shaft adopts precision guide rails. The external transmitter of the displacement sensor can output a standard DC signal. The four-wire transmitter adopts a single power supply +9~36V DC isolated power supply. Can output signal 4-20mA, 0-5V, 0-10V or ±5V, ±10V and other signals to choose from.
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LVDT20-A-25mm
Application areas: shaft diameter runout detection, textile machinery testing, valve position detection and control, roll gap measurement, vehicle brake wear, etc.

Characteristic:
1.20mm diameter, 304 stainless steel shell, rebound type;
2.Built in precision linear bearing, good repeatability;
3.The probe is made of silicon nitride ceramic ball;
4.DC single power supply with built-in high performance signal demodulator;
5.Second line 4-20mA current output, three wire voltage output 0-10V

Differential transformer displacement sensor (LVDT) is widely used in aerospace, machinery, construction, textile, railway, coal, metallurgy, plastics, chemicals and research institutions and other national economy

All walks of life, used to measure elongation, vibration, object thickness, expansion and other high-tech products.

The pen type displacement sensor has excellent performance and is suitable for the measurement of high precision and high repeatability in the quality control and measurement applications. The probe is made of silicon nitride ceramics with high hardness and wear resistance,

The precision of the moving part of the shaft is measured. The pen type displacement sensor is matched with the transmitter to output the standard DC signal, and the external transmitter is supplied by the 12-24V DC, and the electronic circuit is sealed at 304

Stainless steel pipe, you can work in harsh environments such as humidity and dust, the output signal for the standard can be used by computer or PLC 0-5V, 0-10V, 4-20mA, RS485 output.

 

LVDT displacement sensor four-wire performance characteristics:
★The outer diameter of the measuring pen is Φ8mm, Φ15mm, Φ20mm to choose from
 
★The probe is a silicon nitride ceramic ball with good wear resistance
 
★The measurement range is from 0-100MM, with high resolution and good repeatability
 
★No sliding contact, long service life
 
★ Four-wire power isolation 4-20mA current output, 0-5V, 0-10V or ±5V, ±10V voltage output

LVDT位移传感器四线制性能参数 :

Stroke

2.5mm,5mm,10mm,15mm,20mm,25mm,40mm,50mm,100mm

Signal output

4~20mA,0~5V, 0~10V,±5V,±10V

Resolution

≤0.1um

Linearity error

≤±0.25%FS

repetition error

can reach 1um

Power Supply

+9~36VDC is optional

Working Current

30~80mA

Dynamic characteristics

50Hz

shock resistant

250g/11 ms

Vibration tolerance

10g/2KHZ

Excitation voltage

3Vrms

Excitation frequency

2.5Khz

Temperature Coefficient

Zero≤0.01%/℃

Sensitivity

≤0.025%/℃

Operating temperature

-25℃~+85℃

Wiring method
LVDT four-wire signal output Cable color definition:
  Red---Power supply (+)
  Black---Power supply (-)
  Green---Signal output+
  white---signal output-
The output voltage value of the DC regulated power supply must be within the specified range of use
 
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