NEWTOKYO SOKUSHIN CO., LTD.

Network Sensor

3-14-34, OUGI, ADACHI-KU.TOKYO.
TEL 03-3855-5911 FAX 03-3855-5921
URL http://www.to-soku.co.jp

CV-374AV, CV-374BV

Health Monitoring and Earthquake Observation
by Servo Velocity-meter・All-in-one sensor recording large capacity waveform and LAN connection
・Observation of micro-tremor and small earthquake by servo velocity-meter・Response analysis of structure by micro-tremor
・Recording continuous record for approx. 30 days and trigger record for approx. 160 hours
in a CF card
・Connect by single LAN cable including power and synchronization (CV-374BV)
Built-in CF Card and GPS receiver
Continuous record

Dimension (built-in sensor)
180mm×120mm×100mm＊Photo, CV-374BV

CV-374A ： For general network line.
(DC12V power supply is necessary to the main unit)

CV-374B ： For exclusive network line by single LAN cable.
(Power supply and various synchronizations from exclusive HUB)
GPS ANT.

Clock

Tri-axial
Servo
Velocity Sensor(0.1 to 100Hz)

24bit
ADCPUGPSCF Card（MAX. 2GB）
32MB (FROM)
64MB (DRAM)
Ethernet
RS-485 (SYNC)

Battery(90mins. BatteryPOWER (！)

back-up)(！) ・ CV-374AV needs DC12V power supply.
・ CV-374BV is supplied from Exclusive HUB.

Common Specifications CV-374AV, CV-374BV
Analogue, A/D converter
Input±4.0V, ±10.0V (Option)
Sampling
100, 200Hz
AD converter
24bit
0.25μm/s (25μkine)(Sampling :100Hz / full scale)

Resolution
Sensor
TypeComponent
Full scale

Servo Velocity-meter (VSE-14C)
3 Tri-axial±0.02m/s (±2kine)

Bandwidth

0.1 to 100Hz

Data record
Trigger level

5μm/s to 1mm/s (0.5 to 100mkine)

Trigger logic

OR, AND, 2AND

Pre trigger

1 to 300 sec.

Post trigger

10 to 300 sec.

Trigger data

Approx. 160 hours (1 to 10 min./File)

Continuous data

Approx. 480 days (10 min./File)(CF MEMORY 32GB)

Overwrite format

Delete the old data, overwrite the newdata

Media
Wave format

CF card, Max. 32GB
FAT32 format
WIN32 compliance

Clock calibration
Accuracy
Clocksynchronization
Clock accuracy< ±2.5ppm, -30℃ to +75℃
GPS or NTP server
Slave unit can adjust by the transfer time code
< ±0.62ppm (GPS)Year to Seconds
Daily 0.1 second (no GPS, NTP)

Clock function

Master/Slave function
Time code
Hour, minute, seconds markPort
RS-485, Max. transmission 1km
Data interlock
Trigger data start / stop
Synchronization
Synchronized within 1msec.
accuracy(When using exclusive HUB)
Communication
Ethernet
10base-T or 100base-TX (automatic change)
Port
1 portProtocoltelnet, ftp, TCP/IP socket
Power supply
DC12V (10V to 24V) / CV-374AV※2
Input
Exclusive HUB / CV-374BV
Power consumption Max.3.6VA (GPS)Internal battery
Lithium battery 6.8V, 0.9A
Battery backup
Approx. 90 min
Environment
Temperature
0℃ to +50℃
ProofIP65Dimension and Weight
Case
Cast Aluminum
Dimension
180mm (W) × 120mm (D) × 100mm (H)WeightApprox. 1.5kgConnector
Water-proof connector※2: Provided AC adaptor

Example of Use
Single point (CV-374AV)

Multi point (CV-374BV)GPS ANTGPS ANT

AC85V ~ 264VLAN Cable

Exclusive HUB JP1000S(Option)LAN Cable(Master)※1・Acquire the continuous (RTD)
data.
・Retrieve the memorized data in
the CF card.
・Parameter set.

DC12V or
AC100V (with AC adapter)
LAN Cable※1(Slave)

LAN Cable(Salve)Single LAN CABLE makes possible
management of Trigger synchronization,
Sampling synchronization by GPS,
Data communication and power supply.

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

TOKYO SOKUSHIN CO., LTD.

3-14-34, OUGI, ADACHI-KU.TOKYO.
TEL 03-3855-5911 FAX 03-3855-5921
URL http://www.to-soku.co.jp
Dated: June 2013