Most compact Earthquake Monitoring System which provides the Alarm Signal when the Earthquake occurs. Employment of the precision Servo type Accelerometer ensures the accurate Earthquake Monitoring in spite of that it is a kind of popular priced products.

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yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Model	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle; color: rgb(255 255 255); background-color: rgb(0 153 204);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">SW-72
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Detecting Method	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Omni-directional non-directivity detection by vector product acceleration
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Frequency Range	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">0.3-10Hz (±10％）
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Acceleration Range	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">0 - 5000 Gal (3-component vector product) NS EW direction : ±3000Gal UD direction : +2000 - 4000Gal
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Low Pass Filter	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">30Hz(-3dB) 4th butterworth
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">A/D Converter	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">16bit 100Hz sampling
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Indication	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">7-segment LED 4-digit display (xxx.x or xxxx)
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Alarm Step	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Upper limit 3-step (ALM1 - 3) individual setting
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Alarm Setting Value	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Acceleration 0.1 - 999.9Gal *1
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Alarm Contact	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">1a contact (Photo MOS relay COM common) Contact rating 200V-0.65A (common for AC/DC peak value) Relay : made by panasonic PD1a type (AQY277A)
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Alarm Reset Method	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">a. External reset terminal (all step reset by no-voltage a contact) b. Automotac reset by built-in timer 1-9999sec. Setting interval: 1-sec. 0 is automatic reset OFF
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">DC Output	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">4-20mADC Load resistance ≦300Ω Full scale : 10-3000Gal (Setting interval : 1Gal)
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Serial I/F	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Communication with SW-74 (Conforms to RS422)
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Clock	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Accuracy:≦70ppm (6sec/day)
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Time Connection Input	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">±30 sec correction (external input of no-voltage a contact)
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Ambient Temperature	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">0-+50℃
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Humidity Range	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">10-100％RH
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Power Supply	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">24VDC　±10％ *2 ≦10W
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Outer Dimensions	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">See outside view
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Structure	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Water-proof structure (IP67)
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Material	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Aluminum die casting
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Painted Color	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Silver metric
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Weight	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">4Kg
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Mounting Method	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Installation on the ground (fixed with anchor)
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">I/O Cable	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Water-proof connector connected One-touch lock connector made by NANABOSHI ELECTRIC MFG NRW-2421PF11 (Outer diameter : 34.1mm approx.) Cable made by Fuji Electric Wire Industries Twisted cable (with sheilded) FKEV-SB 0.3sq × 10 pair Outer diameter : 10.5 mm approx.

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yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; vertical-align: middle; color: rgb(255 255 255); background-color: rgb(0 153 204);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">yle="text-align: center !important;">Built-in accelerometer
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Pickup model	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">VP-5511B/3
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Conversion Method	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Force balance servo type accelerometer
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Detection Method	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Horizontal 2-direction Vertical 1-direction
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Sensitivity	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">0.204V (m/s2) ±5％
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Frequency Range	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">0-100Hz ±10％ 0-30Hz ±3％
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Natural Frequency	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">≧300Hz
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Max. Measuring Acceleration	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">NS EW direction : ±29.4m/s2 UD direction : -39.2-+19.6m/s2
yle="margin: 0px; padding: 5px 0px 5px 5px; text-align: left; border-style: solid; border-color: rgb(51 51 51); font-weight: normal; vertical-align: middle; background-color: rgb(231 231 231);"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">Linearity	yle="margin: 0px; padding: 5px 0px 5px 5px; border-style: solid; border-color: rgb(51 51 51); table-layout: auto; text-align: left; vertical-align: middle;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">0.3% full scale

yle="margin: 0px; padding: 0px; color: rgb(51 51 51); font-family: Arial Helvetica sans-serif; font-size: 13px; line-height: 19.5px;"> yle="font-size:14px;">yle="font-family:arialhelveticasans-serif;">※1 Initial setting value at factory shipping is 80250400 Gal
※2 When connected with SW-74 (74SI) power is supplied from SW-74 (74SI)