Displacement Sensors
Differential Transformer Displacement Sensors (LVDTs) can be widely used in various industries of the national economy, such as aerospace, machinery, construction, textiles, railways, coal, metallurgy
https://www.sowaysensing.com/product/displacement-sensors.html
Differential Transformer Displacement Sensors (LVDTs) can be widely used in various industries of the national economy, such as aerospace, machinery, construction, textiles, railways, coal, metallurgy, plastics, chemical engineering, and research institutions, to measure linear displacement, elongation, vibration, object thickness, expansion, etc. The product has the characteristics of no sliding contacts, long service life, safety and reliability.
LVDT has excellent performance and is powered by a convenient single power supply of 9-28V DC. The electronic circuit is sealed in a stainless steel metal tube and can work in harsh environments such as humidity and dust. It outputs standard 0-5V voltage signals, 4-20mA current signals, RS485 digital signal outputs, etc.
LVDT displacement sensors come in three basic types: split type, rebound type, and pneumatic type, and can be customized according to customer requirements. The measuring range of the split LVDT is 0-500mm, waterproof, dustproof, and has good dynamic characteristics; The measuring stroke range of rebound LVDT is 0~100mm, and the contact probe is made of wear-resistant chrome plated hard tool steel. The measuring stroke range of pneumatic LVDT is 0~15mm, and the working pressure is 0.15~0.7MPa.
Resolution up to 0.1 μ m, repeatability of 1 μ m
No contact point friction, long service life
Customizable non-standard products
| SDVG20 series split type | SDVB20 series rebound type | SDVN8-4 Pneumatic | SDVH8 Pen Series | |
| Power supply | 9 ~28V DC | Excitation voltage 3V rms | ||
| Working current | Voltage output type power supply current ≤ 12mA | Excitation frequency 5KHz | ||
| Two line 4~20 mA current output type LVDT, power supply current 4~20 mA | ||||
| Displacement range | 2.5,5 ,10,15,25,50,100,250,500mm | 2.5, 5,10,15,25,50,100mm | 4mm | 2,5,8,10mm |
| Output signal | 0～5V (9 ~28V DC供 电 电 压) | Communication signal (output signal with transmitter is the same as left) | ||
| 0~10V (15~28V DC supply voltage) | ||||
| 4~20mA (two-wire system, 15~28V DC supply voltage) | ||||
| Digital output (9~28V DC supply voltage) | ||||
| Linearity error | Analog output: ±0.25%F.S， ± 0.5% F.S and other optional options& nbsp; Digital output: 0.25% F.S, 0.1% F.S, and other options are available | |||
| Repetitive error | ≤0.01%F.S | 5μm，10μm | 1μm | 1μm，5μm |
| Resolution | ≤ 0.1 μ m (maximum), digital output is 16 bits | |||
| Operation temperature | -25℃ ~ +85℃ | |||
| Temperature coefficient | Zero point ≤ 0.025% F.S/℃ | |||
| Sensitivity ≤ 0.025% F.S/℃ | ||||
| Working pressure | / | 0.03~0.06MPa | / | |
| Thrust | / | 0.25N(±0.05） | / | |
| Protection grade | IP64 | |||
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