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Home / Shop / Force and mechanical measuring equipment / Vibration meter / ACO acceleration sensor – TYPE 7302, 7303, 7304, 7344A, 7351A, 7350A, 7323A, 7323B

ACO acceleration sensor – TYPE 7302, 7303, 7304, 7344A, 7351A, 7350A, 7323A, 7323B

An accelerometer is a device for detecting acceleration or vibration by attachment or contact to the vibrating body of machinery or equipment.

ACO Co., Ltd. offers a variety of accelerometers, including the TYPE 7302 that weighs only 1/5 of a 1 Yen coin (0.2g), and others with a temperature range from -50℃ to +160℃, meet different customer needs. With this type of accelerometer with built-in preamplifier, there is no need for expensive charge amplifiers and long low-noise cables can be extended, thus reducing measurement costs.

 

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description

Piezoeletric Type Acceleration Pickup Built-in Preamplifier Type Acceleration Pickup

CASE STUDY

In general, acceleration pickup has a main axis with which the acceleration sensitivity becomes its maximum. It is called “Sensing Axis” and align this axis with the desired measurement direction. Normally the sensing axis is close to perpendicular to the mounting base surface of the pickup.
With the pickup fixed to the vibration table and if it is vibrated in the direction of sensing axis, the pickup will provide output rating. Next, if the pickup is mounted on the vibration table with inclination angle θ for the sensing axis and vibrated, the output (SVθ) will be rated output multiplied by cosθ, Output sensing for the axis will be SVθ*cosθ. If the θ is brought to 90 degrees, the output is supposed to become zero however, because of the existence of the Transverse Sensitivity (ie Sensitivity in any given direction perpendicular to the sensing axis), there will be some output. In the case of pickups offered by ACO, the lateral axis sensitivity is less than 5%.

Triple axis pickup is very useful since it can measure the vibration in 3 axis simultaneously. It is a convenient sensor to obtain composition of acceleration in 3 axes, or to measure and evaluate human body exposure to the vibration of machinery.
New product, 3 axis 10 mm X 10 mm, was developed in response to the need to use the pickup at measurement site where only small mounting space is available. It contains preamplifier yet it

Charge Output Acceleration Pickup_1

Type TYPE 7302 TYPE 7303 TYPE 7304 TYPE 7344A
Appearance
* Click the figure to see enlarged drawing.
Features Extremely small size Small size, waterproof Small ring Small size, light weight
Configuration Shear type Bending type Shear type
Sensitivity pC/m/s² 0.035 1.84 0.2 0.3
Frequency Range Hz(±5%) fc ~ 6,000 fc ~ 1,300 fc ~ 10,000 fc ~ 15,000
Frequency Range Hz(±3dB) fc ~ 20,000 fc ~ 2,000 fc ~ 20,000
Resonant Frequency kHz 60 5 60
Maximum Usable Acceleration m/s² 100,000 5,000 50,000
Maximum Transverse Sensitivity % 5
Impact Resistance m/s² 100,000 10,000 100,000
Operating Temperature ℃ -50 ~ +160 -20 ~ +120 -50 ~ +160 -20 ~ +150
Connector N/A(cable) Micro connector on the side surface(M3)
Cable BC-0065
Case Material Titanium Stainless steel Titanium
Outline size
(excluding connector) mm
Φ3.5×2.5(H) 4(W)×13(D)×4(H) Φ8×5.4(H) 7(Hex)×10.5(H)
Weight g 0.2 1.3 1.9 2
Spanner Screw Bonding Screw (M2) or Bonding M3 Female screw
Appearance diagram mm
* Click the figure to see enlarged drawing.

Charge Output Acceleration Pickup_2

Type TYPE 7351A TYPE 7350A TYPE 7323A TYPE 7323B
Appearance
* Click the figure to see enlarged drawing.
Features For general applications Extremely small size, 3 axis Small size, 3 axis
Configuration Compression type Shear type
Sensitivity pC/m/s² 5.0 0.04 0.16
Frequency Range Hz(±5%) fc ~ 8,000 fc ~ 7,000 fc ~ 5,000 fc ~ 10,000
Frequency Range Hz(±3dB) fc ~ 12,000 fc ~ 10,000 fc ~ 20,000 fc ~ 15,000
Resonant Frequency kHz 40 30 60 40
Maximum Usable Acceleration m/s² 16,000 25,000 10,000
Maximum Transverse Sensitivity % 5
Impact Resistance m/s² 20,000 50,000 100,000
Operating Temperature ℃ -40 ~ +150 -50 ~ +160 -20 ~ +160
Connector Miniature connector on the upper surface Miniature connector on the side surface N/A(cable) Micro connector on the side surface(M3)
Cable BC-0062 BC-0065
Case Material Stainless steel Titanium
Outline size
(excluding connector) mm
14(Hex)×25(H) 14(Hex)×30(H) 8(W)×7(D)×5.5(H) 17(W)×9(D)×7(H)
Weight g 25 29 1.2 5.2
Spanner Screw M6 Female screw Bonding
Appearance diagram mm
* Click the figure to see enlarged drawing.

 

 

 

 

 

 

 

 

Maintenance and calibration : 

► We also have calibration certificate attached ( optional )
► Please re-calibrate after use for a certain period through our purchase store.

Local Vietnam : SEMIKI CORP

DISTRIBUTED BY:

Semiki instrumentation Co., Ltd
Email: sales@semiki.com
Office tel: +84 28 2253 3522

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