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Strong motion measurement device STR-420-STR-420
Strong motion measurement device STR-420-Takamizawa Cybernetics Co., Ltd.

Strong motion measurement device STR-420
Takamizawa Cybernetics Co., Ltd.

Takamizawa Cybernetics Co., Ltd.'s Response Status

Response Rate

100.0%

Response Time

11.6hours

Fast Response


About This Product

Overview

■Strong motion measuring device (seismograph) certified by the Japan Meteorological Agency for large-scale safety management of dams, water gates, bridges, buildings, factories, etc.

Multiple measurement units can be connected to one processing unit. This is a strong motion measuring device (seismograph) certified by the Japan Meteorological Agency that makes it possible to construct various systems using a communication interface. Features

■Ideal for large-scale structures

Designed based on the specifications of strong motion measuring devices recommended by the Ministry of Land, Infrastructure, Transport and Tourism, it is ideal for structures such as dams, water gates, bridges, buildings, factories, public facilities, and lifelines.

■Measure a wide range of data with high precision

The measurement section uses a 24-bit resolution delta-sigma type A/D converter, achieving a high dynamic range of over 130db, allowing you to obtain a wide range of measurement data with high precision.

■Multiple measurement units can be connected

Up to 3 measuring units (9 channels) are connected to one processing unit to measure the acceleration of seismic motion, and output information such as measured seismic intensity, SI value, acceleration response value, velocity response value, maximum acceleration of horizontal and vertical components, etc. It has functions to calculate, display, print, and record calculated data and seismic waveforms, and a communication function to report the data to the higher-level system.

■Judgment function according to the scene

Based on the measurement data of multiple measurement units, it is possible to output AND and OR condition judgments. If three measurement units are connected, majority decision (2 out of 3) is possible.

■External communication output

It has an Ethernet port and a serial port for external communication output.

■Data communication output for external display

It has a serial port as data communication output for external display.

■Self-diagnosis function

It has a self-diagnosis function, allowing manual, remote operation, and periodic automatic diagnosis.

■Compatible with 2GB compact flash card

Compatible with 2GB compact flash cards, allowing long-term recording of earthquake information and waveform data.

■USB port

Equipped with a USB port, observed data can be acquired on a USB memory.

■Time calibration function using GPS receiver

It has a time calibration function using a GPS receiver and can obtain measurement data with high time accuracy.

■Built-in printer

Equipped with a built-in printer, various setting information and earthquake information can be printed.

■Built-in backup battery

Built-in backup battery allows operation for more than 2 hours during power outage.

  • Product

    Strong motion measurement device STR-420

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1 Models of Strong motion measurement device STR-420

Image Part Number Price (excluding tax) Measurement part SAS-420 power supply Measurement part SAS-420 Waterproof Measurement section SAS-420 Communication section Output method Measurement part SAS-420 Communication part Transmission method Measurement part SAS-420 Communication part Transmission procedure Measurement part SAS-420 mass Measurement part SAS-420 Measurement part connector Measurement unit SAS-420 power consumption Measurement part SAS-420 Seismic sensor Detector method Measurement part SAS-420 Seismic sensor Acceleration measurement range Measurement part SAS-420 Seismic sensor Number of channels Measurement part SAS-420 Seismic sensor Sensor resolution Measuring unit SAS-420 external dimensions (excluding protrusions) Measurement unit SAS-420 operating environment conditions Measurement part SAS-420 protection device Measurement section SAS-420 A/D conversion section Measurement frequency Measurement section SAS-420 A/D conversion section resolution Measurement section SAS-420 A/D conversion section Sample frequency Processing unit STR-420 Start/stop unit Start detection method Processing unit STR-420 Recording unit Media Processing unit STR-420 Display unit Display Processing section STR-420 Clock section Calibration method Processing unit STR-420 External output resolution Processing unit STR-420 External output Output type Processing section STR-420 Printing section Recorded contents Processing unit STR-420 Control unit Starting frequency range Processing unit STR-420 Control unit Number of measurement units connected Processing unit STR-420 Control unit Earthquake judgment method Processing unit STR-420 Control unit RAM Processing unit STR-420 Control unit CPU
Strong motion measurement device STR-420-Part Number-STR-420

STR-420

Available upon quote

Approximately DC15V (supplied from the processing section)

JIS-C-0920 protection class 7

Digital

RS-422

No procedure

Approximately 4.6kg

16Pin waterproof connector

Approximately 4.5W

Force balance servo type acceleration sensor

Horizontal component 4,000gal, vertical component 3,000gal

3 components (2 horizontal components, 1 vertical component)

0.5mgal

Diameter: 279mm x height: 95mm

Ambient temperature: -10℃~+50℃, relative humidity: 100% or less (no condensation)

Built-in arrester on signal and power lines

DC~40Hz

24 bit

100Hz

Judgment of activation level exceedance of 3-component composite acceleration for each measurement unit

2GB CF card

Color LCD with touch panel (5.7 inches)

Correction function based on GPS time (GPS antenna is optional), accuracy within ±5msec during calibration

640×480 dots

RS-232C x 1, RS-422 x 1, LAN x 2, USB x 1

Observation time, seismic intensity scale, vertical component maximum acceleration, horizontal component combined maximum acceleration, 3-component combined maximum acceleration, measured seismic intensity (based on Japan Meteorological Agency method algorithm), SI value (Ministry of Land, Infrastructure, Transport and Tourism method)

Select from 0.05~5.0Hz (-3dB), 0.30~10.0Hz (-3dB), high pass -6dB/oct, low pass -12dB/oct

Up to 3 units (Standard: 2 units, 3rd unit: Optional)

AND or OR can be set for the judgment results of each measurement section.

256MB

32bit CPU

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About Company Handling This Product

Response Rate

100.0%


Response Time

11.6hrs

  • Japan

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