Strong Motion RecorderCV-375

http://www.to-soku.co.jp

TOKYO SOKUSHIN CO., LTD.
3-14-34, OUGI, ADACHI-kU,
TOKYO 123-0783
TEL 03-3855-5911 FAX 03-3855-5921
ＣＶ-３７５Ａ

３２ＧB (Max.) ＣＦInternal accelerometer (3-Axis)＋external input 3 axis

・Simultaneous observation of continuous recording (approx.
180 days) and event recording (approx. 50 days)(※1)

２４ bit AD convert ＋ＧＰＳ synchronization

ＣＶ-３７５Ｒ
External input 3 axis ×２lines

・High-resolution recording synchronized to absolute time

Record 3 axis×２lines

ＣＶ-３７５Ｂ
Internal accelerometer (3-Axis)＋external input 3 axis［UTPsynchronization spec.］

・Settable recording for 3 axis or 6 axis

ＣＶ-３７５ＢＲ

ＬＡＮ interface
・FTP server-based, support for NTP time synchronization

External input 3 axis ×２lines UTP synchronization spec.］

Real time and stream output
・Display wavedata to PC in real time/
Prepare recording application (option)

Seismic intensity information
・Output earthquake intensity and seismic intensity scale(JMA based)

Battery backup
・Internal backup battery for approx. 1.5 hours

Waterproof case・Use waterproof aluminum die-cast case meeting for IP67(※1)Record for 100Hz sampling／6 axis

Configuration
GPSGPS
Receiver

Clock
Generating

Monitor
POWER
REC
GPS

Servoch2(Y)accelerometerch3(Z)（3-Axis)24bit

CF card

ADC(Max 32G)LAN

ch4(X)ch5(Y)
ch6(Z)

SYNC
24bit
ADC

CPU

Lithium
ionbattery

Cal
Cal
DAC

DC-DC
power supply

DC12V

SENSOR 2

CalUTP

ch1(X)DC POWERSENSOR 1

CAL

ACadapterAC

Specification

Internal accelerometer (Servo accelerometer)
2 horizontal axis + 1 vertical axis
Mesuring axis
±2000Gal,DC-250Hz(-3db)
Mesuring range
135dB(rms)Dynamic range
0.03%(@full scale)Linearity
0.03G/G(@10Hz)
Lateral sensitivity
Input
Input component
Input range

AD converter

Calibration
Internal sensor
Data record

Clock calibration
Year-second (auto callendar)
Clock
Clock synchronization GPS synchronization or NTP calibration<0.5ppm(GPS sync.), less than daily 0.1 second(no GPS)
AccuracyInterlocking section(adapted to CV-375B/BR)
Synchronized observation Max.７units(exclusive HUB︓JP-1000S option)
Synchronized signal
Year-second
Less than 0.2ppm to master unit
Internal accelerometer 3 axis+External 3 axis(CV-375A/B) Accuracy
Max. 100m from exclusive HUB as basic point
Extension
External 3 axis×2(CV-375R/BR)
Event trigger, scheduled record, manual trigger
Interlocking record±10V differential input
LAN interfaceΔΣ24 bitDynamic range
Standard
10BASE-T/100BASE-TX
126dB(rms､＠100Hz)
Sampling frequency 100,200,500,1KHz
ProtocolFTP, TCP/IP socket, Telnet
Filter (-3dB)
Power supply
Sampling frequency×0.413
Filter characteristics Minimum phase
Rated voltage
DC12V(10-24V), AC adapter attachedPower consumption
Max. 3.6W

1Hz, sin wave, equivalent to ±100Gal

Lithium ion battery, rated 6.8V, 14WhInternal battery(Internal sensor and AS series)

Level trigger or STA/LTAtrigger
Level trigger
0.1-100Gal
STA/LTAtrigger
0.1-10 sec.(STA), 2-120 sec.(LTA)
Trigger logic
or, 2and, andEvent trigger
Pre-trigger
0-60 sec.
Post-trigger
10-120 sec.
Length of record time 1-10minute, flexible length
Total record time
Approx. 50 days(*1)
Length of record time 10, 20, or 30 minutes
Continuous data
Total record time
Approx. 180 days(*1)
10 schedules
No. of registration
Scheduled record(*2) Length of record time 1-60 minutes
Interval
1-5999 minutes, max. 99 times
CompactFlash×1 slot, max. 32G byte
Media(*1)Condition:sampling 100Hz, record for 6axis, 32G byte CF equipped(*2)Stored in event trigger area

Running for more than 1.5 hours

Environment

0-50℃
IP67
Waterproof
Dimension
240(W)×160(D)×100mm(H), not including for projection
Dimension
WeightLess than 2.3kg
Accessory
AC adapter(2m+2m), exclusive LAN cable(1.5m), parameter setting software(CD)OptionOperation Temperature

Excl. HUB:JP-1000S

Excl. port for CV-375(Distribute pwr. supply & synchro. signal)×6(for CV-375B/BR)
CompactFlashGPS

LAN port for PC×1
Max. 32G byte
GPS antenna, arrester,coaxial cable
Display/record in real time (RTDS)
Parameter setting/Collecting data (TS-Station)
Display seismic intensity (CV master)PC application(for Windows)

Example of observation
AS-303**W1

AS-303**W1

CV-375A（Internal accelerometer 3 axis
＋external accelerometer 3 axis)

CV-375B

CV-375A

CV-375A

AS-303**W1
AS-303**W1

Performance evaluation ofseismic isolated structure

Structure Health monitoring
Design by CV-375R

Internet(External accelerometer 3axis×2)

GPSCV-375R

GPSCV-375B

CV-375A
AS-303**BH

Pore Water

Health monitoring ofhigh‐rise building

Pressure Cell

AS-303**BH

Design by CV-375A(Internal accelerometer 3 axis＋external sensor)

Engineering base layer
AS-303**BH

Design by CV-375B×2 units and exclusive HUB･Real time wave
･Seismic intensity･Collecting data

Observation of ground structure(Strong motion observation)

JP-1000S

We have other catalogs for Accelerometer AS-303 series.
Please refer to our homepage.

The specification or appearance may change without notification
because of the proved product.

TOKYO SOKUSHIN CO., LTD.

3-14-34, OUGI, ADACHI-KU.TOKYOTEL 03-3855-5911 FAX 03-3855-5921
URL http://www.to-soku.co.jp
Dated May, 2015