Vibration monitor vibro-converter
Allows vibration monitoring, using various kinds of sensors

Essential safety explosion-proof monitor system
Low frequency vibration monitoring system
Low-priced system using sensor withbuilt-in amplifier
Vibration monitoring system for co-generation,using electric charge output sensor
Vibration monitoring system using non-contact sensor

Vibration monitor - Vibro-converter
System1

General-purpose vibration monitor

This type of the vibration monitor system employs an acceleration
sensor built in with a robustly constructed amplifier.
The sensor is sized compact and lightweight, broadband, andapplicable for vibration monitoring of various types of machines.
In addition, the vibration monitor employing the sensor type of786A or 793L are best fit for monitoring a wind generator.

‫ ݢ‬Acceleration sensor

Type‫ ݣ‬Junction box
MODEL-TBB

MODEL-2503 series

System configuration‫ ݢ‬Acceleration sensor with a built-in amplifier/MODEL-786A.........1 pc‫ ݣ‬Junction box/MODEL-TBB..........................................................1 pc‫ ݤ‬Vibro-converter/MODEL-2503 ....................................................1 pc‫ ݥ‬Digital monitor/MODEL-2590B ...................................................1 pc‫ ݦ‬Sensor cable/CA2863-5 (m) ......................................................1 pc * If the lengthexceeds 5 m,
‫ ݧ‬Extension cable/CA1532 (m) ......................................................1 pc
use TBB.
‫ ݨ‬Converter cable/CA-4442-5 (m)..................................................1 pc‫ ݤ‬Vibro-converter
MODEL-2503‫ ݥ‬Digital monitor
MODEL-2590B

Low-priced/general-purpose

General-purpose/EMC measure

General-purpose

784A

786A

2450

793L

797L

10mV (100mV)

10mV (100mV)

5mV (50mV)

50mV (500mV)

50mV (500mV)
1Hz to 2.5kHz

ModelSensitivity m/s2 (G)Low frequency/high sensitivity

Frequency characteristics

5Hz to 8kHz

5Hz to 8kHz

5Hz to 8kHz

1Hz to 2.3kHz

Operating temperature limit-50 to 120°C-50 to 120°C-20 to 110°C-50 to 120°C-50 to 120°CDimension

18 Hex × 46

22 Hex × 53

17 Hex × 37.5

25.4 Dia. × 61

26.7 Dia. × 30.5

Appearance* Models of 784A, 786A, 793L and 797L can have the IP-68 configuration in combination with the cable of CA2865.

System2Essential safety explosion-proof vibration monitor

This system employs an acceleration sensor witha built-in amplifier that complies with Exia II CT4
or an essential explosion-proof vibration monitor
with safety device.
This explosion-proof system is sized compact
and low-priced to offer.

Main features

System configuration‫ ݢ‬Acceleration sensor with a built-in amplifier/MODEL-2450EX.. 1 pc
‫ ݣ‬Safety retainer (barrier)/NZB2-26R430................................ 1 pc
‫ ݤ‬Vibro-converter/MODEL-2503 ............................................. 1 pc
‫ ݥ‬Digital monitor/MODEL-2590B ............................................ 1 pc
‫ ݦ‬Sensor cable/CA1532 (for sensor) ..................................... 1 pc
‫ ݧ‬Barrier cable/CA1532 (for barrier) ....................................... 1 pc
‫ ݨ‬Converter cable/CA-4442-5 (m)........................................... 1 pc

Type
Model

Essential safety explosion-proof
2450EX

Sensitivity m/s2 (G)5mV (50mV)

Frequency characteristics

2Hz to 8kHz

Operating temperature limit
Dimensions/mass-20 to 80°C
21 Hex × 40/76g

Appearance‫ ݢ‬Acceleration sensorSystem3‫ ݣ‬Safety retainer (barrier)
NZB2-26R430‫ ݤ‬Vibro-converter
MODEL-2503‫ ݥ‬Digital monitor
MODEL-2590B

Vibration monitor using a sensor specifically for low frequencies

This vibration monitor employs an acceleration
sensor with a built-in amplifier that has a highsensitivity and superior characteristics in low
frequency ranges, allowing displacement
measurement from as low as 2 Hz.

System configuration‫ ݢ‬Acceleration sensor with a built-in amplifier/MODEL-2400A .... 1 pc
Voltage driven and a 3 m-long sensor cable extended
directly out from the body‫ ݣ‬Vibro-converter/MODEL-2503 ............................................. 1 pc‫ ݤ‬Digital monitor/MODEL-2590B ............................................ 1 pc
‫ ݥ‬Converter cable/CA-4442-5 (m)........................................... 1 pc

Main features
TypeModelSensitivity m/s2 (G)‫ ݣ‬Vibro-converter
MODEL-2503‫ ݤ‬Digital monitor
MODEL-2590B

2400A
100mV (1000mV)Frequency characteristics

1 to 500Hz

Operating temperature limit-20 to 70°C

MassAppearance‫ ݢ‬Low-frequency sensor
MODEL-2400A

Low frequency/high sensitivity

200g

The vibration monitoring system MODEL-2503 is accommodated for various types of sensors.
While the system is a standard type in such systems, specifications adaptable for your specific requirements
can be established at a low price.
Designations are allowed for specifications on such as sensors, frequency characteristics, measurement fullscale, filtering value, waterproof type, etc.

System4Vibration monitor using high-temperature/high acceleration sensor

This type of the vibration monitor has
specifically been developed formonitoring vibration in co-generation
systems, where high temperatures andhigh accelerations are to be measured
on equipment such as gas turbines.

System configuration‫ ݢ‬Electric charge output type acceleration sensor/MODEL-376 ............................................................. 1 pc
‫ ݣ‬Low noise cable/R1-2-J3-12 .................................... 1 pc
‫ ݤ‬Vibro-converter/MODEL-2503 ................................. 1 pc
‫ ݥ‬Digital monitor/MODEL-2590B ................................ 1 pc
‫ ݦ‬Converter cable/CA-4442-5 (m)............................... 1 pc

Main features
General-purpose

Type2304A

376

5pC (50pC)

2.5pC (25pC)

Model
Sensitivity m/s2 (G)For high temperatures

Frequency characteristics

5Hz to 8kHz

5Hz to 8kHz

Operating temperature limit-40 to 150°C-50 to 260°C

25g

75g

MassAppearance
Pre-amplifier CC701HT(Optional)‫ݢ‬MODEL-376

System5‫ ݤ‬Vibro-converter
MODEL-2503‫ ݥ‬Digital monitor
MODEL-2590B

Vibration monitor using non-contact sensor

Main features
Non-contact sensor

TypeSystem configuration‫ ݢ‬Non-contact sensor/S-10A ..........................................1 pc‫ ݣ‬Transducer/SSC-7510 ................................................1 pc‫ ݤ‬Vibro-converter/MODEL-2503 ....................................1 pc‫ ݥ‬Digital monitor/MODEL-2590B ....................................1 pc‫ ݦ‬Sensor cable/PC03YY.................................................1 pc‫ ݧ‬Transducer cable/CA1532 ...........................................1 pc‫ ݨ‬Converter cable/CA-4442-5 (m) ..................................1 pc

This vibration monitoring system employs a
non-contact sensor that uses the eddy current
method, in order to allow monitoring vibration
displacement and thrust displacement.

ModelS-10A

Sensitivity-2 to 7V/0 to 4mm

Frequency characteristics

DC to 20kHz

Operating temperature limit-30 to 120°C

Linearity± 1 %/full scale

Power supply-24V, 40mA (-15 to -24V DC)

Appearance‫ݢ‬Non-contact sensor
S-10A‫ݣ‬Transducer
SSC-7510‫ ݤ‬Vibro-converterMODEL-2503‫ݥ‬Digital monitor
MODEL-2590B

Model coding table2503

䋭䋭

Measurementmodes䋭(Example: 2503V-003-2-3)

Sensor types
No.

Symbol

Measurement range
2High-pass filter
p-p

No.

m/s

mm/smmNo.

Low-pass filter

HzNo.

HzA

Acceleration

00

Built-in amplifier (constant-current drive)

020

200.2

110Hz

11kHz

V

Velocity01

Servo-type accelerometer

230300.3

2

No filter2No filter

DDisplacement

03

Electric charge output type acceleration sensor

340400.43To be designated for option

3To be designated for option20

Non-contact sensor (dynamic displacement)

450

50

0.5

21

Non-contact sensor (static displacement)

5100

100

1.0

200

200

2.0

OthersOthersOthers10

Built-in amplifier velocity output

61

1

Electrodynamic sensor

71

2Electrodynamic low range sensor

02

Built-in amplifier low range sensor

Specifications of MODEL-2503
Model2503㧖㧙00㧖㧙㧖㧙㧖2503㧖㧙00㧖㧙㧖㧙㧖2503㧖㧙03㧖㧙㧖㧙㧖2503㧖㧙00㧖㧙㧖㧙㧖2503㧖㧙02㧖㧙㧖㧙㧖2503㧖㧙2㧖㧙㧖㧙㧖Type

General-purpose system
Specifications in acceleration
sensor with built-in amplifier

For essential safety
explosion-proof

For electric charge output
sensor for high-temperature/high acceleration

For sensor specifically for
low-frequency

For sensor specifically for
low-frequency(Voltage driven)

For non-contact sensor

MODEL-784A

MODEL-2450EX

MODEL-376, 2304A

MODEL-793L,797L

MODEL-2400A

S-10A
SSC-7510 (pre-amplifier)Sensor used
Measurement mode

Acceleration (A), velocity (V) and displacement (D)Acceleration
Frequency
Velocity
range
Displacement
Filter

Displacement (D)㧙

5Hz to 8kHz

1Hz to 8kHz

10Hz to 1kHz

2Hz to 1kHz

㧙10Hz to 700Hz

2Hz to 700Hz

DC to 20kHz

As a standard specification, a best suited LPF can be built in for each mode, and any LPF or HPF can be allowed to designate.

AC output± 2 V/full scale

DC output

4 to 20 mA/0 to full scale

Power24 VDC (18 to 30 VDC), 50 mA, 15 VA max

Cable assembly
ModelName

Input connector

Cable model

Output connector

Suitable sensor or amplifier

CA4442

Converter cable

R04-P5M

MVVS0.2×4

M3.5 crimping × 52503

CA1232Junction cableM3.5 crimping × 2

2.5D-2V

M3.5 crimping × 2

NZB2-26R430, TBBCA4515

Sensor extension cable

R01-06J9-6F

4-core shield

R01-01PQ-6M

2400A

Sensor cable

R04-P2M

2.5D-2V

M3.5 crimping × 2

2450EX, NZB2-26R430

Barrier cableM3.5 crimping × 2

2.5D-2V

R04-P2M

2450EX, NZB2-26R430

CA1534

Sensor cable

TNC

2.5D-2V

R04-P2M

2450

CA2862

Sensor cable

R6W㧔IP-64㧕

J96

R04-P2M

784A, 786A, 793L, 797L

CA2863

Sensor cable

R6W㧔IP-64㧕

J96

M3.5 crimping × 2

784A, 786A, 793L, 797L

CA2865 (for waterproof)

Sensor cableR6Q㧔IP-68㧕

J96

R04-P2M

784A, 786A, 793L, 797L

R1-2-J3 (for high temperature)

Sensor cable10-32UNF

Low-noise cable

BNC

376

CA2656

Sensor extension cableM3.5 crimping terminal

Sunlight SX

R04-P2M

784A, 786A, 793L, 797L

CA1532

Appearance
diagram


●
●
●
●

●
●

●
●

●

●

Appearance diagram of cable assembly CA4442
٨ CA1232
٨ CA4515
٨ CA1532
٨ CA1534
٨ CA2862
٨ CA2863
٨ CA2865 (for waterproof)٨ R1-2-J3 (for high temperature)٨ CA2656
٨Appearance diagram
Vibro-converter/MODEL-2503

Appearance diagram
PU INPUT

Terminal No. 4
Terminal E

Acceleration:0― ‫ޓޓޓޓ‬m/s2 pk
Output : 4 ― 20mA
Pickup MODEL
Pickup Sens.
‫ޓޓޓޓޓ‬mV/㧔m/s2㧕
Pickup SN

OUTPUT

VIBRO―CONVERTERMODEL 25030―00‫ޓޓޓޓ‬SN

Barrier MODEL-NZB2-26R430 (Exia II CT4)
Terminal No. 1

Mounting screws,
2 locations, M4 × 15 attached

90

SHOWA SOKKI CORP.

Terminal E
Terminal No. 3

Terminal No. 6 (M3.5)

Mounting hole, 2 locations, 4.5 × 5.5

27
Input connector

50
Output connector (R04R5F)

Mounting pitch118
DIN rail, width: 35/height: 7.5
DIN rail, width: 35/height: 15

130

Unit: mm

Unit: mm* Specifications and designs presented in the product catalog are subject to change without notice for period improvement purposes.

Respond to the needs; "safe and comfortable"

SHOWA SOKKI CORPORATION

Agent:HeadOffice‫ ع‬HeadOffice::1-5-9,Kandaizumi-cho,Chiyoda-ku,Tokyo,101-0024
1-5-9 Kandaizumi-cho,Tel.03-3866-3210(main)Fax.03-3866-3060
Chiyoda-ku, Tokyo, 101-0024 JAPAN.
Phone: Branch
03-3866-3210
Fax: 03-3866-3060
Osaka:Hiranomachi
Grand Building 6F EAST,‫ ع‬Factory
1-7-14,Hiranomachi,Chuo-ku,Osaka, 541-0046
1547-1 Takao-cho, Hachioji, Tokyo, 193-0844 JAPAN.
Tel.06-6205-5070(main)Fax.06-6125-5111
Phone: 0426-64-3232 Fax: 0426-64-3276
Factory:3-16-2,Sennin-cho,Hachioji-shi,tokyo,193-0835
http://www.showasokki.co.jp/
E-mail:eigyo@showasokki.co.jp
Tel.042-664-3232(main)Fax.042-664-3276

0706 (RE)