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

Model Extension model Full scale (Sensitivity) Frequency response Calibration coil Waterproof Arrester Dimension

AS-303C1WP

SDFDDC±2000Gal (5mV/Gal)

DC to 250Hz

12.5μA/Gal 10kpa Built-in Fig.DSDFEDC DC to 400Hz

SCFDDC±3000Gal (3.3mV/Gal)

DC to 250Hz

SCFEDC DC to 400Hz

AS-303D2W2

SDFDDC±2000Gal (5mV/Gal)

DC to 250Hz

12.5μA/Gal IP65 Not built-in Fig.CSDFEDC DC to 400Hz

SCFDDC±3000Gal (3.3mV/Gal)

DC to 250Hz

SCFEDC DC to 400Hz

AS-303T1W1

SDFDDC±2000Gal (5mV/Gal)

DC to 250Hz

12.5μA/Gal IP65 Built-in Fig.ESDFEDC DC to 400Hz

SCFDDC±3000Gal (3.3mV/Gal)

DC to 250Hz

SCFEDC DC to 400Hz

High Resolution

SERVO ACCELERMETER

High Resolution Accelerometerfor Seismic Measurement

AS-303 seriesTri-axis Model

AS-303C1WP AS-303D2W2 AS-303T1W1

Model Extension model Full scale (Sensitivity) Frequency response Calibration Coil Waterproof Arrester Dimension

AS-301C2W6 SDFDDC±2000Gal（5mV/Gal）

DC to 250Hz

12.5μA/Gal

Non-waterproof

Not built-in

Fig.AAS-301C2W6 SDFEDC DC to 400Hz

AS-301C1W5 SDFDDC ±2000Gal（5mV/Gal） DC to 250Hz

100kpa Fig.BAS-301C1W5

SDFEDC ±2000Gal（5mV/Gal）

DC to 400HzSCFEDC ±3000Gal（3.3mV/Gal)

SIFEDC ±5000Gal（2mV/Gal)7μA/Gal

SHFEDC ±10000Gal（1mV/Gal)

Uni-axis Model

AS-301 series

AS-301C2W6

Common Specification

Resolution 0.00005% of F.SCalibration coilsensitivity 105Ω (±20%)

Dynamic range 140dB (rms) Power voltage ±15VDC

Linearity 0.03% of F.S Current consumption 10mA/axis

Cross axis sensitivity 0.03G/G (10Hz) Temperature range -10℃ to 50℃

Case alignment ±1degree (max.) Temperature drift 0.1%/℃ of F.S

Tri-axis borehole type Possible to bury up to 300m below the surface

Model Extension model Full scale (sensitivity)Frequencyresponse Calibration coil Waterproof Arrester Dimension

AS-303D3BH

SDFDDC±2000Gal (5mV/Gal)

DC to 250Hz12.5μA/Gal

3Mpa Built-in Fig.FSDFEDC DC to 400Hz

SIFEDC ±5000Gal (2mV/Gal)DC to 400Hz 7μA/Gal

SHFEDC ±10000Gal (1mV/Gal)

Dated: April 2010

Fig.A

Fig.B

Fig.C

Fig.D

Fig.E

Fig.F

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

SERVO ACCELEROMETER

Dimension

Example of Use

This accelerometer needs the ±15V stabilized DC to run.

The power unit for PC-5153A contains the power to run

the accelerometer and the sine wave oscillator to calibrate

the sensitivity.

Extension cable: Shielded cable

Power unit: PC-5153A

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

Accelerometer

Accelerometer

±15VDC

Output

Line input

INPUTCAL

X’stal OSC

10Hz, Sine.

Regulated

Source

Accelerometer

0

0.2

0.4

0.6

0.8

1

1.2

1 10 100 1000Frequecny (Hz)

Gai

n

Force Balance

Frequency Response

±1000gal Full range DC～250Hz, Bandwidth 0.001gal Resolution

Office: 3-14-34, Ougi, Adachi-Ku, Tokyo 123-0873 Japan TEL:03-3855-5911 FAX:03-3855-5921 http://www.to-soku.co.jp

AD converter or

Digital Recorder

Warninganalyzer

Network Shielded 6pair twist cableMax.300m length

Ground Surface Mount Model

AS-303D2W2 (80×80×60mm) Bore-hole Model

AS-303D3BH (φ57×506mm)

Practical Use

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Power UnitPC-5153A

Tri-axial

AS-303D2W2/AS-303D3BH

Servo Accelerometer

※custom made order

Sensor

Model AS-303D2W2 (custom made order) AS-303D3BH (custom made order)

Mode of operation Tri-axial Ground surface mount

Tri-axial Bore-hole model for underground installation

Bandwidth DC～250Hｚ（－3dB） DC～250Hｚ（－3dB） Full Scale Range ±2m/s2 (±2000gal) ±1m/s2 (±1000gal) Scale Factor 5mV/gal 10mV/gal Output Resistance 100Ω 100Ω Resolution 0.00005％ of full scale 0.00005％ of full scale Linearity 0.03％ of full scale 0.03％ of full scale Damping Ratio ｈ＝0.6～0.7 ｈ＝0.6～0.7 Sensitivity Axis to case Alignment ±1 degree max. ±1 degree max. Output noise 1μG 5μG Cross Axis Sensitivity 0.003 G/G 0.003 G/G Calibration Coil 12.5μA／Gal 12.5μA／Gal Power Requirement ±15VDC ±15VDC Current Consumption 30mA 30mA Operating Temperature －10℃～＋70℃ －10℃～＋70℃ Thermal Coefficient of Sensitivity 0.02％／℃ 0.02％／℃ Thermal Coefficient of drift 0.02％／℃ 0.02％／℃ Shock Survival 30G（less than 0.1） 30G（less than 0.1） Waterproof IP65 IP69(30kgf/cm2) External Dimensions 80×80×60mm φ57×506mm Weight 3.3kg 5kg

Power Unit Model PC-5153A

Input 3 channels (Standard) Output 3 channels Tilt indicator ±19.99Vpannel meter Calibration input 3 channels Monitor output Each channel selectable Power requirement AC-85～132V Dimension 480×150×300mm Operating temperature －10℃～45℃

◆Specifications

Office: 3-14-34, Ougi, Adachi-Ku, Tokyo 123-0873 Japan TEL:03-3855-5911 FAX:03-3855-5921

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

Dimension

AS-303D2W2

AS-303D3BH

Y060720

0

0.2

0.4

0.6

0.8

1

1.2

1 10 100 1000Frequecny (Hz)

Gain

Frequency Response

±20m/s2 (±2000gal) Full range DC～250Hz, Bandwidth 0.001gal Resolution

Office: 3-14-34, Ougi, Adachi-Ku, Tokyo 123-0873 Japan TEL:03-3855-5911 FAX:03-3855-5921 http://www.to-soku.co.jp

AD converter or

Digital Recorder

Warninganalyzer

Network Shielded 6pair twist cableMax.300m length

Ground Surface Mount Model

AS-303C1WP (φ150×68mm)

Practical Use

HHHiiiggghhh RRReeesssooollluuutttiiiooonnn、、、WWWaaattteeerrrppprrroooooofff AAAcccccceeellleeerrrooommmeeettteeerrr fffooorrr SSSeeeiiisssmmmiiiccc MMMeeeaaasssuuurrreeemmmeeennnttt

Power UnitPC-5153A

Y060720

Uni-axial Model

AS－301C1W5（40×40×70）

Force Balance

AS303C1WP/AS-301C1W5

Servo Accelerometer

※custom made order

Sensor

Model AS-303C1WP (custom made order) AS－301C1W5 (custom made order)

Mode of operation Tri-axial Ground surface mount

Uni-axial Ground Surface mount

Bandwidth DC～250Hｚ（－3dB） DC～250Hｚ（－3dB） Full Scale Range ±2m/s2 (±2000gal) ±2000gal Scale Factor 5mV/gal 5mv/gal Output Resistance 100Ω 100Ω Resolution 0.00005％ of full scale 0.00005％ of full scale(p-p) Linearity 0.03％ of full scale 0.03％ of full scale Damping Ratio ｈ＝0.6～0.7 ｈ＝0.6～0.7 Sensitivity Axis to case Alignment ±1 degree max. ±1 degree max. Output noise 1μG 1μG Cross Axis Sensitivity 0.003 G/G 0.003 G/G Calibration Coil 12.5μA／Gal 12.5μA／Gal Power Requirement ±15VDC ±15VDC Current Consumption 30mA 10mA Operating Temperature －10℃～＋70℃ －10℃～＋70℃ Thermal Coefficient of Sensitivity 0.02％／℃ 0.02％／℃ Thermal Coefficient of drift 0.02％／℃ 0.02％／℃ Shock Survival 30G（less than 0.1） 30G（less than 0.1） Waterproof 100kpa (IP67) 100kpa (IP67) External Dimensions φ150×68mm 40×40×70mm Weight 3.5kg 250gr

Power Unit Model PC-5153A

Input 3 channels (Standard) Output 3 channels Tilt indicator ±19.99Vpannel meter Calibration input 3 channels Monitor output Each channel selectable Power requirement AC-85～132V Dimension 480×150×300mm Operating temperature －10℃～45℃

◆Specifications

Office: 3-14-34, Ougi, Adachi-Ku, Tokyo 123-0873 Japan TEL:03-3855-5911 FAX:03-3855-5921

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

Dimension

AS-303C1WP AS-301C1W5