Product Summary:
Waterproof differential transformer displacement sensor (LVDT) can be widely used in aerospace, machinery, construction, textile, railway, coal, metallurgy, plastics, chemical industry and scientific research institutions and other national economic industries, used to measure elongation, vibration, object thickness, expansion and other high-tech products. DC LVDT has excellent performance, the use of convenient single power supply +12 ~ 24V DC power supply, the electronic circuit is sealed in 304 stainless steel tube, can work in wet and dust and other harsh environment, the output signal is standard can be used by computers or PLC 0 ~ 5V, 0 ~ 10V,0±5V,0± 10V,0± 10V, 4 to 20mA, RS485 output.
- Product Overview
- Technical Parameters
- Size selection
LVDTCFS Pull rod type waterproof displacement sensor Overview:
Waterproof differential transformer displacement sensor (LVDT) can be widely used in aerospace, machinery, construction, textile, railway, coal, metallurgy, plastics, chemical industry and scientific research institutions and other national economic industries, used to measure elongation, vibration, object thickness, expansion and other high-tech products.
DC LVDT has excellent performance, the use of convenient single power supply +12 ~ 24V DC power supply, the electronic circuit is sealed in 304 stainless steel tube, can work in wet and dust and other harsh environment, the output signal is standard can be used by computers or PLC 0 ~ 5V, 0 ~ 10V,0±5V,0± 10V,0± 10V, 4 to 20mA, RS485 output.
Characteristic
★ Built-in precision linear bearing, good repeatability
★ Probe silicon nitride ceramic ball, good wear resistance
★ No sliding contacts, long service life
★ DC single power supply, built-in high-performance signal demodulator
★ Two-wire system 4-20mA current output, three-wire system 0-5V, 0-10V, 0±5V, 0±10V voltage output, four-wire system RS485 output
★ Outer diameter Φ20mm, stainless steel 304 shell, pull rod type can be equipped with fish eyes
Applications
● Shaft diameter runout detection ● Textile machinery detection
● Valve position detection and control ● Roll gap measurement
● Vehicle brake device wear measurement ● Robot, precision displacement measurement
● Auto parts online testing ● Machine tool and tool positioning, hydraulic cylinder positioning
● Bridge floor shift detection ● Subway tunnel engineering protection
Technical parameter
Measuring range | 5mm,10mm,20mm,25mm,40mm,50mm,100mm |
Output signal | 0～5V,0～10V,0±5V,0±10V,4～20mA,RS485 |
Resolution | ≤0.1um(Highest） The digital output is 16bit Note: The larger the range, the lower the resolution rate |
Linearity error | ≤±0.25%FS |
Repeat error | 1um ~ 10um Note: The smaller the range, the smaller the repetition error |
Power supply | +12～30V DC |
Working current | Voltage output type, current ＜10mA |
| Two wires 4～20mA current output, current: 4～25mA |
| RS485 output type, current:15～40mA |
Dynamic characteristics | Pull rod type 50Hz, rebound type 20Hz |
Shock impact | 250g/11ms |
Vibration allowed limit | 10g/2KHZ |
Excitation voltage | 3Vrms |
Excitation frequency | 5KHZ |
Temperature coefficient | Zero ≤0.01%/℃ |
Sensitivity | ≤0.025%/℃ |
Operating temperature | -25℃～+85℃ |
Protection grade | IP68 (Measuring pen) |
| IP65 (Coil bin) |
Model Selection
Connection method
The output voltage of dc regulated power supply must be within the specified operating range
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. Digital RS-485 signal output cable color definition:
Brown -- Power supply power supply (+)
Black -- Power supply power supply (-)
Blue -- signal A
White -- signal B
Mechanical installation size:
