Specifications
SW-54

SW-52

Display
Element
0.3 - 10 Hz (±10％）
0 - 5000 Gal (3-component vector product)
NS, EW direction: ±3000 Gal, UD direction: +2000 - -4000 Gal
0.1 - 1500 kine (3-component vector product)

Display
Contents

0.1 - 2.5 sec. (±10％）
Natural period 0.1 sec. step, calculation by 25 of 1-freedom simulation filter)

SI Value
Measurement

2 - 30% (1% step any setting)upper limit 3-step (ALM1-3), individual setting, buzzer 1 point
alarm setting value: 0.1-999.9 (Gal/seismic intensity scale/ Kine)

Display

AlarmExtra Alarm
Alarm Reset
Methodindependent COM 2-point (ALM 1-5, ALM 6-10, each 1 point)
Alarm Reset
Methodb. automatic reset by an internal timer 1-9999 sec.

a. automatic reset by an internal timer(1-9999 sec. [setting interval: 1sec., 0 is automatic reset OFF])DC4-20 mA, load resistance ≦ 300Ω

DC Output

Serial I/F

Fault Alarm

communication with SW-54 (conforms to RS422)

Clock
0 - +50°C

0 - +50°C

10 - 100%RH

10 - 100%RH

Structure
Material
0 - +50°C

Weightapprox. 4 kg

10 - 85%RH

Power Supply DC24 V±10% ≦70 W
I/O Cable
Weightapprox. 3 kg

Head Officetelweb+81 50 1745 6779
https://we-are-imv.com/en/*The specifications and design are subject to change without notice.

SW-54

Seismic monitoring system continuously monitor tremors and hence can prevent
secondary disasters. Therefore, these systems are popular and have been employed
as anti-disaster systems throughout Japan since the Kobe earthquake.
Seismic monitoring system has been in use at various locations such as high-risebuildings plants, dams, water gates and railways making major contributions to publicwelfare, and operational safety of the equipment.

upper limit 7-step (ALM4-10), individual setting
0.1-999.9 (Gal/seismic intensity scale/ Kine)

Seismic Monitoring SystemSep. 2023

Seismic monitoring system “SW-54” use high resolution force-balance accelerometer which can detect
the minute earthquake.

SW-54
Multi functional model equipped alarm
output up to 10-step and SI value output

Force-balance Accelerometer

Color Display

3-direction non-directivity

Database Inquiries

Earthquake information display

Alarm Buzzer

Acceleration Alarm Contact Output

Power BackupFeatures■ Status are indicated by backlight color.
The severity level can be distinguishedfrom far away.

External Display Connection

Analog Level Output

Sensor TestConfirm
Intensity

Vibrometer
VM-7024H（option）

FAULT Alarm

Ability to Reset Alarm Externally

In SeismicMonitoring

Seismometer

Extra Alarm Output

Seismic Intensity/SI Value
Alarm Contact Output

Earthquake

Slip table
PET-03H

Power amplifier
with oscillator
PA05

Calibration system is composed of a compact electrodynamic horizontal table PET-03 andamplifier with oscillator PA05. It simulates earthquake and enables easy calibration test.

Applications
In seismic accelerograph, automatic announcement and mechanical operation are controlled
by alarm output according to the level of earthquake.

Force-balance accelerometers built in IMV
earthquake monitoring systems are highprecision and accuracy.

Options

Block Diagram

External Dimensions

SW-52■ SW-54 (unit: mm)

SW-54

LCD display

SW-54

External Display Output

Clock

Serial port 1Display

Serial port 2(7 seg)

Built-in sensors

Maintenance

RS232CCPU calculation contorol

RS232C

I/F
Power supply

EX alarm output
Fault output

A/D(3 elements)

Present measuring dataCPU

DC24 V

Analog signal output 4-20 mA
Alarm outputs (ALM1-3)

Alarm outputs (ALM1-3)

External reset (no-voltage contact)

External reset (no-voltage contact)±30 second correction (no-voltage contact)±30 second correction (no-voltage contact)
Power supply

Lead storage battery

DC24 V

Seismic Monitoring System■ SW-52

By locating sensor port at a lower place androunding off the corners can be avoided
impact to cables from outside.