DIGI-333D04 slide


Digiducer 333D04 USB digital accelerometer is a fully integrated and ruggedized packaging of a high-resolution, broad-frequency piezoelectric accelerometer with integrated internal digital data acquisition. When used in conjunction with the Multi-Instrument® software, the setup allows you to take reliable and quality vibration measurements as simply as plug & play. No external power supply, data acquisition hardware, driver installation and manual entry of sensor sensitivity are required. It is a truly hassle-free portable vibration test & measurement solution.
Find out more: Manual

Click here to download and try the fully functional Multi-Instrument software using your sound card as the ADC and DAC device!

Buy Digiducer 333D04 with Hardware Activated Multi-Instrument Pro:

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Package Contents

  1. Digiducer 333D04 USB digital accelerometer with a 2.9 m USB cable
  2. Hardware activated Multi-Instrument Pro* software license (the software will be automatically activated with the USB accelerometer connected to the computer).
  3. CD (contains the copy-protected Multi-Instrument software)
  4. Magnetic mounting base

*You can purchase upgrades of the license to include Multi-Instrument add-on software modules such as Spectrum 3D Plot, Vibrometer, Data Logger, etc. at any time.


Digiducer 333D04 USB Digital Accelerometer

Hardware Specifications

Performance Imperial units SI units
Sensitivity1,2,3 Channel A: 0.8647 % FSV/g
Channel B: 1.7205 % FSV/g
Channel A: 0.08817 % FSV/m/s2
Channel B: 0.1754 % FSV/m/s2
Measurement Range5 Channel A: ±100 g pk
Channel B: ±50 g pk
Channel A: ±981 m/s2
Channel B: ±490 m/s2
ADC Bandwidth (-3dB) 9.3 cpm to 1374000 cpm 0.155 Hz to 22900 Hz
Frequency Range (±5%) 120 cpm to 480000 cpm 2 Hz to 8000 Hz
Frequency Range (±10%)3 90 cpm to 660000 cpm 1.5 Hz to 11000 Hz
Frequency Range (±3dB)3 54 cpm to 900000 cpm 0.9 Hz to 15000 Hz
Resonant Frequency ≥1500000 cpm ≥25000 Hz
Mounted Resonance3 1044000 cpm 17400 Hz
Mounted Resonance Amplification3 200% 200%
Broadband Resolution1 (1Hz to 10000Hz) 0.0025 g pk 0.0245 m/s2 pk
Non-Linearity4 ≤ 2% ≤ 2%
Transverse Sensitivity3 ≤ 5% ≤ 5%
Environmental Imperial units SI units
Overload Limit (Shock) 7000 g pk 68647 m/s2 pk
Temperature Range 14 °F to 158 °F -10°C to +70 °C
Temperature Coefficient 0.10 % /°F 0.18 % /°C
Power Consumption3 ≤ 45 mA
Internal ADC 24 bit
Supported Sampling Rates 48 kHz, 44.1 kHz, 32 kHz, 22.05 kHz, 16 kHz, 11.025 kHz, 8 kHz at 24bits / 16bits / 8bits
Case Isolated No (Isolation can be achieved through a USB Isolator)
Interface USB 2.0 Full Speed / USB 1.1 Full Speed
Mechanical Imperial units SI units
Size-Hex 1.0 in 25.4 mm
Size - Height 2.6 in 66.0 mm
Weight 4.62 oz 131 gram
Mounting Thread 1/4-28 UNF 1/4-28 UNF
Mounting Torque 2 lbf.ft to 5 lbf.ft 2.7 N.m to 6.8 N.m
Sensing Element Piezoelectric Ceramic Piezoelectric Ceramic
Sensing Geometry Shear Shear
Housing Material Stainless Steel Stainless Steel
Sealing Welded Hermetic Welded Hermetic
Electrical Connector USB Type A Male USB Type A Male
Electrical Connection Position Top Top
Cable (Integral) Length 9.6 ft 2.9 m

1Conversion Factor 1g = 9.80665 m/s2
2FSV = Full Scale Value
4Zero-based, least square straight line method
5Minimum Range

In the interest of constant product improvement, specifications may change without notice.
All specifications are at room temperature unless otherwise specified

333D01 FreqResponse

Typical Frequency Response Curve

333D01 Dimension



Digiducer 333D01 with Multi-Instrument Pro
Digiducer 333D04 with Multi-Instrument Pro
Digiducer 333D01 with Multi-Instrument Pro + Spectrum 3D Plot + Vibrometer
Digiducer 333D04 with Multi-Instrument Pro + Spectrum 3D Plot + Vibrometer