MODEL-2702

MODEL-2702

MODEL-2702

Product catalog summary
Overview: The document describes a vibration detector system designed for earthquake monitoring and protection of critical infrastructure. It emphasizes the importance of preventing secondary disasters by safely shutting down equipment during seismic events.
Specifications:
  • The system calculates vibration acceleration by combining three vectors (X, Y, Z) and outputs data at DC4-20mA.
  • It measures seismic motion from 0 to 400 Gal, suitable for seismic intensity up to level 6.
  • The detector is waterproof (IP65 equivalent) and can be installed outdoors.
  • It includes a 3-axis acceleration sensor with a sensitivity of 300mV/(9.8m/s²).
  • Measurement range: 0-400 Gal; Frequency range: 0.25Hz to 2Hz.
  • Output format includes real-time and peak-hold options.
  • Power supply: 24VDC, 1A or less; Operating temperature: 0 to 70°C.
Applications:
  • Safe shutdown of plant equipment during earthquakes.
  • Protection of important facilities and emergency shut-off of utilities like water, sewage, and gas lines.
  • Integration with a digital monitor (optional) for alarm relay output.
System Configuration:
  • The system can issue a two-stage alarm for equipment requiring automatic shutdown.
  • Includes a digital monitor (MODEL-2590C) for enhanced monitoring capabilities.
  • Alarm settings include H, HH with automatic recovery/self-holding options.
Additional Features:
  • Direct connection to indicating instruments or sequence circuits via DC4-20mA output.
  • Comes with a standard 5m pigtail cable, extendable up to 100m.
  • Constructed from die-cast aluminum for durability.
Contact Information: The document provides contact details for the head office, Osaka branch, and factory, along with a URL and email for further inquiries.
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Catalog excerpts

MODEL-2702-1

Always satisfying needs for Safety and Comfortability "Detects the occurrence of earthquakes and protects important equipment!" Prevents the risk of secondary disasters Vibration detector MODEL-2702 for the earthquak Application example ●For the safe shutdown of plant equipment in the event of an earthquake. ●For protecting important facilities in the event of an earthquake. ●For emergency shut-off of water, sewage, and gas lines. ●For obtaining acceleration data of seismic motion (unit: gal). ▶Calculates vibration acceleration by combining three vectors in the X, Y, and Z directions, and outputs it at DC4-20mA. ▶Outputs seismic motion from 0 to 400 Gal.(Reference value: Applicable up to seismic intensity 6) ▶When combined with a digital monitor (optional), an alarm relay can be output. ▶Can switch between real time and peak-hold output. ▶Can be installed outdoors because it is waterproof (

 Open the catalog to page 1
MODEL-2702-2

•The DC4-20mA output allows direct connection to an indicating instrument or sequence circuit. •A simple seismic monitoring system can be constructed by connecting to the digital monitor MODEL-2590C (optional). •The frequency range is set to a band that is sensitive to seismic motion. •Comes with a 5m pigtail cable. (Can extend up to 100m) •Because it is capable of combining vectors from a three-directional acceleration sensor and outputting the resultant vector, this detector accurately captures seismic motion. Seismic intensity scale Correspondence between seismic intensity and acceleration...

 Open the catalog to page 2

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