Description
Magnetostrictive linear displacement sensor with measuring range 80mm is used for the piston position preset and feedback, such as the piston position of servo cylinder. Magnetostrictive sensors also can be used in most industrial automation systems.
Specification:
| Basics | Model | ATO-MSD-0080 |
| Measuring range | 0~80 mm | |
| Shipping weight | 1 kg | |
| Length | 279.3 mm | |
| Diameter | 51 mm | |
| Technical parameters | Linearity | ≤0.03%FS |
| Repeatability | ≤0.003%FS | |
| Resolution ratio | ≤0.001%FS | |
| Hysteresis | ≤0.001%FS | |
| Working Voltage | 24V /12V DC | |
| Working current | Voltage /digital output type≤16mA; Current output type≤35mA | |
| Output method | 0~5V / 0~10V / 4~20mA / 0-20mA RS485 binary digital signal / SSI gray code signal | |
| Product type | Normal type; Explosion-proof type; Anti-corrosion type | |
| Measuring rod material | 0Cr18Ni9 (304) or 316L stainless steel (secial custom-made) | |
| Measuring rod diameter | Ф10mm | |
| Electronic bin material | 1Cr18Ni9 (304) | |
| 304 and PTFE casing outside (Anti-corrosion type, special custom-made) | ||
| 1Cr18Ni9Ti and protection cover outside (Anti-corrosion type, special custom-made) | ||
| Connecting screw thread | M18×1.5; M20×1.5; 3/4-16UNF | |
| Type of lead wire | PVC shielded cable; aviation plug (not applicable to explosion-proof type) | |
| Measuring rod pressure | 40MPa, 70MPa (Explosion-proof type) | |
| Temperature | T1: 0~+ 70℃, T2: -25~+80℃, T3: -40~+120℃ | |
| Buffer area | Front-end of buffer 50.8mm (electronic bin), the end of the buffer 63.5mm (the buffer area can be custom-made) | |
| Vibration | 100g, IEC standards 68-2-715g /10-2000Hz IEC standards 68-2-6 | |
| Protection Class | IP67 | |
| Explosion-proof level | Explosion-proof type: EXd II BT5 |
Installation diagram (unit: mm):
1. PG7 connection
2. Explosion-proof connection
3. External installation
Tips: Working principle of magnetostrictive sensor
Magnetostrictive displacement (liquid level) sensor is mainly comprised of measuring rod, electronic bin, non-contact magnet ring or floating ball skewered on the measuring rod. Magnetostrictive line (waveguide) is installed in the measuring rod. The measuring rod is made of non-conductive magnetic stainless steel, and protects the waveguide reliably. When it works, the electronic circuits in electronic bin generate one start pulse, which also generates one rotational magnetic field advancing along the waveguide while transmitted in waveguide. When this magnetic field encounters into the permanent magnetic field in magnet ring or floating ball, magnetostrictive effect will be generated. Thus, the waveguide becomes twisted promptly. The twisting is sensed by the enabling mechanism installed in the electronic bin and also changed to the corresponding current pulse. Through the time difference between the two pulses calculated from the electronic circuit, the detected displacement and liquid level can be measured precisely.
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