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Seismic Monitoring System
SW-72R
모델명 SW-72R
제조사 IMV CORPORATION
원산지 일본
분류명 지진센서

MODEL

SW-72R

Detecting Method

Omni-directional non-directivity detection by vector product acceleration

Frequency Range

0.3-10Hz (±10%)

Acceleration Range

0 - 5000 Gal (3-component vector product)
NS, EW direction : ±3000Gal, UD direction : +2000 - 4000Gal

Low Pass Filter

30Hz(-3dB), 4th butterworth

SI Value Measuring Range

Measuring range : 0-1500 Kine (3-component vector value)
Period range : 0.1-2.5 sec (±10%) (Natural period 0.1 sec step,
        Calculation by 25 of 1-freedom simulation filter)
Damping : 1% step any setting

A/D Converter

16bit, 100Hz sampling

Indication

7-segment LED, 4-digit display (xxx.x or xxxx)

Alarm Step

Upper limit 3-step (ALM1 - 3) individual setting
(Acceleration/Instrumental seismic intensity/SI value : Internal setting is possible)

Alarm Setting Value

0.1 - 999.9Gal (Gal/instrumental seismic intensity/Kine)
0.1 step, 0.0 is alarm operation OFF
(Seismic intensity alarm scale is set by Instrumental seismic intensity)

Alarm Contact

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)

Alarm Reset Method

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

DC Output

4-20mADC, Load resistance ≦300Ω
Output content switching type
(Acceleration/SI value/Seismic intensity scale by internal setting)
Full scale value any setting

Serial I/F

Communication with SW-74SI (Conforms to RS422)

Clock

Accuracy:≦70ppm (6sec/day)

Time Connection Input

±30 sec correction (external input of no-voltage a contact)

Ambient Temperature

0-+50℃

Humidity Range

10-100%RH

Power Supply

24VDC ±10% *2 ≦15W

Outer Dimensions

See outside view

Structure

Water-proof structure (IP67)

Material

Aluminum die casting

Painted Color

Silver metric

Weight

4Kg

Mounting Method

Installation on the ground (fixed with anchor)

I/O Cable

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.

Built-in accelerometer

Pickup model

VP-5511B/3

Conversion Method

Force balance servo type accelerometer

Detection Method

Horizontal 2-direction, Vertical 1-direction

Sensitivity

0.204V (m/s2) ±5%

Frequency Range

0-100Hz ±10%
0-30Hz ±3%

Natural Frequency

≧300Hz

Max. Measuring Acceleration

NS, EW direction : ±29.4m/s2
UD direction : -39.2-+19.6m/s2

Linearity

0.3% full scale

※1 Initial setting value at factory shipping is 80,250,400 Gal
※2 When connected with SW-74 (74SI), power is supplied from SW-74 (74SI)

파일명 확장자 다운로드
 SW-72R[Brochure].pdf (2MB)
상호 : 주식회사 마스  |  (우)13209 경기도 성남시 중원구 사기막골로 45번길 14 우림2차 A-1610호   |   Tel : 031-735-6310 / 6320   |   Fax : 031-735-6334
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