Underwater Accelerometer

Underwater Accelerometer

Underwater accelerometers feature a hermetically sealed housing and waterproof cabling, enabling reliable vibration measurement in fully submerged environments. Available in single-, biaxial-, and triaxial configurations, they are well-suited for applications in nuclear power facilities, shipbuilding, hydraulic engineering, and submerged structural analysis.

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Underwater Accelerometer
5002 5005 5006
Type Number DA5002 DA5005-10 DA5005-20 DA5005-50 DA5005-100 DA5006-10 DA5006-20 DA5006-50 DA5006-100
Description Titanium case, Wide frequency range Side Exit Integrated cable output Side Exit Integrated cable output Side Exit Integrated cable output Side Exit Integrated cable output Top Exit Integrated cable output Top Exit Integrated cable output Top Exit Integrated cable output Top Exit Integrated cable output
Sensitivity 100 mV/g 10 mV/g 20 mV/g 50 mV/g 100 mV/g 10 mV/g 20 mV/g 50 mV/g 100 mV/g
Frequency Response (± 3 dB) 2 - 10,000 Hz 1 - 9,000 Hz 1 - 9,000 Hz 1 - 9,000 Hz 1 - 9,000 Hz 1 - 10,000 Hz 1 - 10,000 Hz 1 - 10,000 Hz 1 - 10,000 Hz
Electrical Connector 10-32 Coaxial connector 10-32 Coaxial connector 10-32 Coaxial connector 10-32 Coaxial connector 10-32 Coaxial connector 10-32 Coaxial connector 10-32 Coaxial connector 10-32 Coaxial connector 10-32 Coaxial connector
Max. Temperature 90 ℃ 100 ℃ 100 ℃ 100 ℃ 100 ℃ 100 ℃ 100 ℃ 100 ℃ 100 ℃
Mounting Method Stud/Adhesive Stud/Adhesive Stud/Adhesive Stud/Adhesive Stud/Adhesive Stud/Adhesive Stud/Adhesive Stud/Adhesive Stud/Adhesive
Range ± 50 g ± 500 g ± 250 g ± 100 g ± 50 g ± 500 g ± 250 g ± 100 g ± 50 g
Weight 30 g 8 g 8 g 8 g 8 g 10 g 10 g 10 g 10 g
Waterproofing Depth 10 meters 100 meters 100 meters 100 meters 100 meters 100 meters 100 meters 100 meters 100 meters
Dimension 42×13×13.5 mm 28.6×10×8.9 mm 28.6×10×8.9 mm 28.6×10×8.9 mm 28.6×10×8.9 mm 10.2×10.2×31.2 mm 10.2×10.2×31.2 mm 10.2×10.2×31.2 mm 10.2×10.2×31.2 mm
Underwater Accelerometer
5022 5023
Type Number DA5022-20 DA5022-50 DA5022-100 DA5023-20 DA5023-50 DA5023-100 DA5301-10 DA5301-20 DA5301-50 DA5301-100
Description Side Exit, Integrated cable output Side Exit, Integrated cable output Side Exit, Integrated cable output Top Exit Integrated cable output Top Exit Integrated cable output Top Exit Integrated cable output Triaxial, Miniature Triaxial, Miniature Triaxial, Miniature Triaxial, Miniature
Sensitivity 20 mV/g 50 mV/g 100 mV/g 20 mV/g 50 mV/g 100 mV/g 10 mV/g 20 mV/g 50 mV/g 100 mV/g
Frequency Response (± 3 dB) 1 - 10,000 Hz 1 - 10,000 Hz 1 - 10,000 Hz 1 - 9,000 Hz 1 - 9,000 Hz 1 - 9,000 Hz 1 - 10,000 Hz 1 - 10,000 Hz 1 - 10,000 Hz 1 - 10,000 Hz
Electrical Connector 10-32 Coaxial connector 10-32 Coaxial connector 10-32 Coaxial connector 10-32 Coaxial connector 10-32 Coaxial connector 10-32 Coaxial connector 1/4-28 4-pin connector 1/4-28 4-pin connector 1/4-28 4-pin connector 1/4-28 4-pin connector
Max. Temperature 100 ℃ 100 ℃ 100 ℃ 100 ℃ 100 ℃ 100 ℃ 100 ℃ 100 ℃ 100 ℃ 100 ℃
Mounting Method Stud/Adhesive Stud/Adhesive Stud/Adhesive Stud/Adhesive Stud/Adhesive Stud/Adhesive Adhesive Adhesive Adhesive Adhesive
Range ± 250 g ± 100 g ± 50 g ± 250 g ± 100 g ± 50 g ± 500 g ± 250 g ± 100 g ± 50 g
Weight 6 g 6 g 6 g 8 g 8 g 8 g 6 g 6 g 6 g 6 g
Waterproofing Depth 100 meters 100 meters 100 meters 100 meters 100 meters 100 meters 100 meters 100 meters 100 meters 100 meters
Dimension 27.7×9.8×8.8 mm 27.7×9.8×8.8 mm 27.7×9.8×8.8 mm 30.7×10.2×10.2 mm 30.7×10.2×10.2 mm 30.7×10.2×10.2 mm 23.8×9.8×9.8 mm 23.8×9.8×9.8 mm 23.8×9.8×9.8 mm 23.8×9.8×9.8 mm
Underwater Accelerometer
5303 5305
Type Number DA5303-10 DA5303-20 DA5303-50 DA5303-100 DA5305 DA5201-10 DA5201-20 DA5201-50 DA5201-100
Description Triaxial, Miniature Triaxial, Miniature Triaxial, Miniature Triaxial, Miniature Triaxial, Miniature Microbiaxial, Titanium alloy shell Microbiaxial, Titanium alloy shell Microbiaxial, Titanium alloy shell Microbiaxial, Titanium alloy shell
Sensitivity 10 mV/g 20 mV/g 50 mV/g 100 mV/g 100 mV/g 10 mV/g 20 mV/g 50 mV/g 100 mV/g
Frequency Response (± 3 dB) 1 - 9,000 Hz 1 - 9,000 Hz 1 - 9,000 Hz 1 - 9,000 Hz 1 - 8,000 Hz 1 - 10,000 Hz 1 - 10,000 Hz 1 - 10,000 Hz 1 - 10,000 Hz
Electrical Connector 1/4-28 4-pin connector 1/4-28 4-pin connector 1/4-28 4-pin connector 1/4-28 4-pin connector 1/4-28 4-pin connector 1/4-28 4-pin connector 1/4-28 4-pin connector 1/4-28 4-pin connector 1/4-28 4-pin connector
Max. Temperature 100 ℃ 100 ℃ 100 ℃ 100 ℃ 90 ℃ 100 ℃ 100 ℃ 100 ℃ 100 ℃
Mounting Method Adhesive Adhesive Adhesive Adhesive Adhesive Adhesive Adhesive Adhesive Adhesive
Range ± 500 g ± 250 g ± 100 g ± 50 g ± 50 g ± 500 g ± 250 g ± 100 g ± 50 g
Weight 8 g 8 g 8 g 8 g 20 g 6 g 6 g 6 g 6 g
Waterproofing Depth 100 meters 100 meters 100 meters 100 meters 10 meters 100 meters 100 meters 100 meters 100 meters
Dimension 23.8×11×10 mm 23.8×11×10 mm 23.8×11×10 mm 23.8×11×10 mm 51.6×20.8×10.2 mm 23.8×9.8×9.8 mm 23.8×9.8×9.8 mm 23.8×9.8×9.8 mm 23.8×9.8×9.8 mm
Underwater Accelerometer IEPE

This miniature underwater IEPE accelerometer delivers reliable submerged vibration measurement in a compact, low-mass design. With low-frequency response defined by the external signal conditioner, 24V operation, and optional NIST certification, it provides high-quality performance for underwater and submersible test environments where size, weight, and robustness are critical.

DA5002-100v2411

Version DA5002-100v2411

DA3007B-100v2411 typical low frequency response

Typical Low Frequency Response

Underwater Accelerometer IEPE
Type Number DA5002-100
Sensitivity (±10 %) 100 mV/g
Acceleration Range ± 50 g pk
Frequency Range (± 10 %) 5–7,000 Hz
Frequency Range (± 2dB) 2–10,000 Hz
Resonance Frequency ≥ 34 kHz
Electrical Noise Floor, Max 0.001 g rms
Linearity ≤ 1 %
Transverse Sensitivity ≤ 7 %
Maximum Shock ± 5,000 g pk
Operating Temperature -20 – +90 °C (−68°F – +194°F)
Supply Voltage +18 – +30 VDC
Current Range 4 – 10 mA
Output Bias Voltage +8 – +12 VDC
Output polarity +
Sensing Element Material Ceramics
Shell material Titanium
Seal Hermetic
Waterproofing depth 20m
Dimensions 42×13×13.5 mm
Weight, Max 30g
Connector 10-32 Coaxial Connector
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