Overview of LVDTFS Spring waterproof displacement sensor:
Waterproof differential transformer displacement sensor (LVDT) can be widely used in various industries of the national economy, such as aerospace, machinery, construction, textiles, railways, coal, metallurgy, plastics, chemical engineering, and scientific research institutions, to measure high-tech products such as elongation, vibration, object thickness, and expansion.
![1699950391924151[1].jpg](/uploads/image/20240109/1704778522760144.jpg "1704778522760144.jpg")
DC LVDT has excellent performance, using a convenient single power supply+12-24V DC power supply, electronic circuits sealed in 304 stainless steel metal tubes, can work in harsh environments such as humidity and dust, and output signals of standard 0-5V, 0-10V, 0 ± 5V, 0 ± 10V, 4-20mA, RS485 that can be used by computers or PLC.
Characteristics of LVDTFS pull rod waterproof displacement sensor:
★ Built in precision linear bearings, good repeatability ★ The probe is made of silicon nitride ceramic balls, with good wear resistance
★ No sliding contacts, long service life ★ DC single power supply, built-in high-performance signal demodulator
★ Two wire 4-20mA current output, three wire 0-5V, 0-10V, 0 ± 5V, 0 ± 10V voltage output, four wire RS485 output
★ Outer diameter Φ 20mm, stainless steel 304 shell, pull rod type can be equipped with fisheye
Application scope of LVDTFS pull rod waterproof displacement sensor:
● Detection of shaft diameter runout ● Testing of textile machinery
● Valve position detection and control ● Roll gap measurement
● Measurement of wear on vehicle braking devices ● Robotics, precision displacement measurement
● Online inspection of automotive parts ● Machine tool and tool positioning, hydraulic cylinder positioning
● Bridge deck displacement detection ● Subway tunnel engineering protection
Technical parameters :
Stroke Length | 5mm,10mm,20mm,25mm,40mm,50mm,100mm |
Output Signal | 0～5V,0～10V,0±5V,0±10V,4～20mA,RS485 |
Resolution | ≤ 1um (max) digital output is 16bit Note: the larger the range, the lower the resolution |
linearity Error | ≤±0.25%FS |
repeatability error | 1um~10um Note: The smaller the range, the smaller the repetition error |
Power Supply | +12～30V DC |
Working Current | Voltage Output: ＜10mA |
4-20mA Output: 4～25mA | |
RS485 Output: 15～40mA | |
Dynamic Characteristics | Pull rod type 50Hz, rebound type 20Hz |
Shock Resistance | 250g/11ms |
Vibration Tolerance | 10g/2KHZ |
Excitation Voltage | 3Vrms |
Excitation Frequency | 5KHZ |
Temperature Coefficient | Zero Point≤0.01%/℃ |
Sensitivity | ≤0.025%/℃ |
Operation temperature | -25℃～+85℃ |
Selection guidance:
![1704702737693043[1].jpg](/uploads/image/20240109/1704777346315661.jpg "1704777346315661.jpg")
Wiring method:
Attention!!! The sensor pen and transmitter must be used together (with the same pen number as the transmitter number), and it is prohibited to exchange them randomly, otherwise the linear accuracy of the sensor will be severely distorted
1. Color definition of current signal output cable:
Brown - Power supply (+) current input (+)
Blue - Power supply (-) Current output (-)
2. Color definition of voltage signal output cable:
Brown - Power supply (+)
Blue - Voltage output (+)
Black - Power supply (-) Signal output (-)
3. Color definition of digital RS485 signal output cable:
Brown - Power supply (+)
Black - Power supply (-)
Blue - Signal A
White - Signal B
