Japan, Showa Sokki
SHOWA SOKKI 2702 Vibration detector for earthquake monitoring
Made in Japan
Manufacturer: SHOWA SOKKI
Model: 2702
Features
A vibration detector is essential for seismic motion monitoring.
Moreover, it’s ideal for the safe shutdown of plant equipment and setting evacuation standards in the event of an earthquake.
Additionally, it outputs the vibration acceleration obtained by synthesizing the 3-direction vector of XYZ at 4-20mA. It also outputs seismic motions ranging from 0-400 gal.
Notably, the frequency band is specifically matched to the seismic motion band.
Furthermore, users can switch between real-time output and peak hold output.
Lastly, it’s a waterproof type, complete with mounting feet, ensuring easy grounding.
Composition
| Safe shutdown of plant equipment in the event of an earthquake. | Evacuation standards in the event of an earthquake. |
| Emergency shutoff of water supply, sewage and gas lines. | Ideal for low-cost and simple seismic monitoring. |
Specification
| Detector | 3-axis acceleration sensor Sensitivity: 300mV/(9.8m/s2). |
| Measurement range | 0 to 400gal. |
| Frequency range | 0.25 to 2Hz. |
| Filter | HPF: 0.25Hz (-3dB±0.5dB). LPF: 2Hz (-3dB±0.5dB). Attenuation: -6dB/OCT. |
| Output format | Real-time output: Outputs the detected vibration value in real time. Peak hold output: Outputs the peak value within the set time. (Can be set from 1 to 10 seconds). |
| Output | DC4-20mA/0-400gal. |
| Power supply | DC24V, 1A or less. |
| Temperature, humidity range | 0 to 70°C, 45 to 85% RH, non-condensing. |
| Structure | Aluminum die-cast IP65. |
| External dimensions, mass | Refer to outline drawing, approx. 1 kg (body). |
| Cable | Standard: 5m straight out (option can be specified), terminal crimp terminal. |
Dimensions
(Unit: mm)
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