Explosion-proof seismic monitoring device for petrochemical, hydrogen plants, and manufacturing factories.
SW-52EX/SW-52ST/SW-7033
Equipped with a servo-type pickup capable of detecting minute seismic vibrations.
This is an earthquake monitoring device that adopts a high-precision servo-type accelerometer, providing control alarm output during an earthquake. The SW-52EX can be used in gas and dust explosion-proof areas such as petrochemical, hydrogen plants, and manufacturing factories, minimizing secondary disasters caused by earthquakes. Certification Ex db IIB+H2 T6 Gb (IECEx, ATEX) Ex d IIB+H2 T6 Gb (TIIS) Ex tb IIIC T120℃ Db (IECEx, ATEX, TIIS) Applicable Standards IECEx IEC 60079-0:2011 IEC 60079-1:2014-06 IEC 60079-31:2013 ATEX EN 60079-0:2012+A11 EN 60079-1:2014 EN 60079-31:2014 TIIS Factory Electrical Equipment Explosion Protection Guidelines (International Harmonization Technical Guidelines) JNIOSH－TR－46－1:2015 (Part 1 - General Provisions) JNIOSH－TR－46－2:2015 (Part 2 - Pressure Resistance) JNIOSH－TR－46－9:2015 (Part 9 - Dust from Containers)
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basic information
**Main Specifications** Detection Method: Omnidirectional detection using vector synthesized acceleration Built-in Pickup: Force balance type servo acceleration pickup Measurement Frequency Range: 0.3 to 10 Hz ±10% **Acceleration Measurement** Maximum Measurement Range: 0 to 5000 Gal (3-component vector synthesized value) NS, EW Direction: ±3000 Gal / UD Direction: +2000 to -3000 Gal Frequency Range: 0.3 to 10 Hz ±10% **SI Value Measurement** Maximum Measurement Range: 0 to 5000 Kine (3-component vector synthesized value), period 2 seconds, 5000 Gal, damping 2% Period Range: 0.1 seconds to 2.5 seconds Damping: 2~30% Low Pass Filter: 30 Hz (-3dB), 4th order Butterworth characteristic A/D Converter: 24-bit, 100 Hz sampling Seismic Intensity Level Calculation Method: Japan Meteorological Agency seismic intensity scale **Alarm** Earthquake Alarm: Outputs when an earthquake is detected and the measured value exceeds the set level FAULT Alarm: Outputs upon detection of abnormalities in hardware self-diagnosis, pickup self-diagnosis, pickup test, or power failure of the device *For more detailed specifications, please refer to the related links at the top of this page.*
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Applications/Examples of results
Prevention of secondary disasters during earthquakes in gas and dust explosion-proof areas such as petrochemical, hydrogen plants, and manufacturing factories.
Company information
Since its establishment in 1957, we have been developing our business in the fields of environmental testing, measurement, and analysis focused on vibration. Moving forward, we will continue to be a company that embodies trust for our products, partners, and society, leveraging our world-class "development capabilities," "proposal capabilities," and "comprehensive strength."
