0~20mm/s Integrated 4-20mA Vibration Speed And Temperature Composite Sensor
Piezoelectric vibration and temperature integrated sensor (4-20mA, isolated, industrial monitoring).
Features: simultaneous output vibration (4-20mA) and temperature signals (4-20mA or PT100 optional), isolated output, industral field monitoring, strong anti-interference performance, mainly used for equipment failure absolute vibration and temperature measurement.
| Features | Unit | ST31D20 | ST31D20MA |
| VIBRATION | |||
| Measuring range (Peak) | mm/s | 0~20 | 0~20 |
| Current output | mA | 4~20 | 4~20 |
| Amplitude non-linearity | % | <2 | <2 |
| Measurement error | % | ≤5 | ≤5 |
| Frequency response(±1dB) | Hz | 10~1,000 | 10~1,000 |
| Frequency response (±3dB) | Hz | 5~1,000 | 5~1,000 |
| Transverse sensitivity | % | ≤5 | ≤5 |
| Excitation voltage | VDC | 15-30 | 15-30 |
| Mounting insulation to ground | Ω | ≥108 | ≥108 |
| Operating temperature | ℃ | -40~+85 | -40~+85 |
| Shock limit (peak) | g | 2000 | 2000 |
| Structure and piezo material | Shear/PZT-5 | Shear/PZT-5 | |
| TEMPERATURE | |||
| Current output | mA | Pt100A | 4~20 |
| Temperature sensitivity | ℃ | -50~+300 | 0~+100(optional) |
| Temperature measurement range | % | ≤5 | ≤5 |
| Outline dimens | See external dimension drawing | See external dimension drawing | |
| Housing material | 304 stainless steel | 304 stainless steel | |
| Electrical connector | MIL-C-5015 5-PIN socket | MIL-C-5015 4-PIN socket | |
| Mounting method | 1/4-28 | 1/4-28 | |
| Protection class | IP65 | IP65 | |
| Weight | g | ~80 | ~90 |
| Mounting bolts | 1/4~28 to M6 | 1/4~28 to M6 | |
| Connection cable | D17-3M | D13-3M | |