1. Althen Sensors
  2. Capteurs
  3. Capteurs d’Accélération
  4. Accéléromètres IEPE (piézoélectriques)
  5. ASC P311K-A15 / ASC P311K-A25 Industrial IEPE Accelerometer

ASC P311K-A15 / ASC P311K-A25 Industrial IEPE Accelerometer

Industrial IEPE piezoelectric accelerometers with high operating temperature range from -55°C to +150°C.


Caractéristiques principales

  • Uniaxial
  • IEPE (Integrated Electronics Piezo-Electric)
  • Measurement Range: ±16 to ±800 g
  • Frequency Range (±10 %): 1.5 Hz to 16 kHz
  • Scale Factor: 10 mV/g to 500 mV/g
  • Stainless-Steel Housing (IP68)

About the ASC P311K-A15 / ASC P311K-A25 Industrial IEPE Accelerometer

Industrial IEPE accelerometers are based on the piezoelectric effect, where an input acceleration causes a force on the seismic mass which leads to a proportional charge generation within the ceramic PZT material. The IEPE (integrated electronics piezo-electric) circuitry features the conversion of the charge to an analog voltageoutput signal. As opposed to capacitive accelerometers this signal has a high-pass characteristic, which enables highly dynamic measurements with a very high bandwidth of up to 16 kHz (±10 %) even without the detection of static DC components. Further advantage of piezoelectric accelerometers is a high operating temperature range from -55 °C up to +150 °C.

Piezoelectric accelerometers are based on PZT ceramic and feature a built-in preamplifier and a charge to voltage converter. The industrial accelerometers providing a very high fullscale output voltage of ±8 V and low broadband noise of <100 μg. The sensors operate on a constant-current supply and use a simple two-wire coaxial cable for power input and signal output.

The accelerometers feature a robust stainless-steel housing with protection class IP68, different mounting options and a detachable cable with configurable length and connectors.

The uniaxial piezoelectric accelerometers ASC P311K-A15 (side connector) and ASC P311K-A25 (top-connector) are ideal suited for industrial applications: condition monitoring of wind turbines and their components as well as predictive maintenance of machinery as part of the smart factory.

Key features ASC P311K-A15 / ASC P311K-A25

  • Shear Type
  • Side-Connector or Top-Connector Entry
  • AC Response
  • High Resonance Frequency
  • High Shock Resistance

Options

  • Detachable Connector Cables
  • Different Mounting Options
  • Enhanced Tolerance of the
    Scale Factor (±5 %)

Applications for ASC P311K-A15 / ASC P311K-A25

  • Condition Monitoring
  • Renewable Energy
  • Industrial Applications

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Spécifications techniques

Spécifications Valeur
Broadband noise (max) mg 0.1
Case material Stainless-Steel
Connector sensor housing 2-pin MS (standard) | 2-pin M12 (option)
Constant supply current ma 0.5 to 8
Frequency response range (±10 %) hz 1.5 to 16000
Frequency response range (±3 db) hz 0.8 to 19000
Frequency response range (±5 %) hz 2.0 to 14000
Insulation resistance (min at 500 v) mΩ 100
Measurement range g ±16 ±32 ±80 ±160 ±250 ±800
Mounting asc p311k-a15 Adhesive | Hexagonal Head Mounting Bolt (30 mm long)
Mounting thread options asc p311k-a15 ¼-28” UNF Male | M6 x 1 mm Male | M8 x 1.25 mm Male
Offset (bias) v 10 to 12
Operating temperature range °c -55 to +150
Output impedance (max) Ω 200
Power supply voltage v 18 to 30
Protection class IP68
Resonance frequency asc p311k-a15 khz 20, 22, 24, 26, 28, 30
Resonance frequency asc p311k-a25 khz 24, 26, 28, 30, 32, 34
Scale factor, sensitivity (±10 %), (±5 % on request, see ordering information) mv/g 500, 250, 100, 50, 30, 10
Shock limit g 5000
Storage temperature range °c -55 to +150
Transverse sensitivity % <5