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CẢM BIẾN GIA TỐC TA-8, TA-18 / S và TA-28, TA-18 / H, TA-18 / HD CEMB-CEMB VIETNAM
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- Thông Tin Sản Phẩm
- Đánh Giá
TA18 / S - TA-8 - TA-28 - TA18 / H - TA18 / HD
The TA-18/S transducers seismically measure absolute machine vibrations by directly fastening the vibrating part on the supports. They provide an output signal directly proportional to the vibration of the point on which they are fastened. This signal can subsequently be processed by a measuring channel of a CEMB “T” or “N” series device.
The TA-18/S transducers exploit the piezoelectric effect, i.e. the capability of a material to provide a difference of potential when mechanically stressed. In this application, a ceramic material subjected to acceleration generates an electrical signal proportional to the stress
THÔNG SỐ KỸ THUẬT :
TECHNICAL CHARACTERISTICS | TA-8 | TA-28 |
GENERAL | ||
Type of measurement | seismic (absolute vibration) piezoelectric | seismic (absolute vibration) piezoelectric |
Sensitivity | 10 mV/g | 500 mV/g |
Response in frequency | ± 3 dB 0,5 ÷ 15000 Hz | ± 3 dB 0,5 ÷ 15000 Hz |
± 10 % 2 ÷ 10000 Hz | ± 10 % 2 ÷ 10000 Hz | |
Vibration direction | any | any |
Dynamic range | ± 500 g pk | ± 10 g pk |
Transverse sensitivity | < 5 % | < 5 % |
ELECTRICAL | ||
Power supply | 2÷10 mA - 18÷30 Vdc | 2÷10 mA - 18÷30 Vdc |
Output polarization voltage | 10-14 Vdc | 10-14 Vdc |
Output impedance | < 100 ohm | < 100 ohm |
Outer casing insulation | > 108 ohm | > 108 ohm |
Settling time | < 2 sec. | < 5 sec. |
AMBIENT | ||
Temperature range | -50°C ÷ +121°C | -50°C ÷ +121°C |
Protection against shocks | 5000 g pk | 5000 g pk |
Electromagnetic sensitivity | CE | CE |
Protection against external agents | IP68 | IP68 |
PHYSICAL | ||
Weight | 90 g | 95 g |
Resonance frequency | 23 kHz | 16 kHz |
Outer casing material | AISI 316-L stainless steel | AISI 316-L stainless steel |
Retaining screw threading | see “dimensions and threads” | see “dimensions and threads” |
Connection | 2 pin MIL-C-5015 connector provided | 2 pin MIL-C-5015 connector provided |
Tightening torque | da 2,7 a 6,8 Nm | da 2,7 a 6,8 Nm |