CE680 444-680-000-511 Vibration Piezoelectric Accelerometer

Description:

The CE281 444-281-000-111 is a piezoelectric accelerometer with a centrally mounted symmetrical shear mode sensing element made of polycrystalline material, designed for harsh industrial machinery environments. It employs industry-standard two-wire voltage transmission technology and is powered by a constant current. The output signal sensitivity is 100 mV/g.

Due to the accelerometer's isolated grounding and internal shielding, there are no ground loops or frame voltage interference measurements. The CE 680 M511 maintains extremely low noise levels and excellent bias voltage stability even at high temperatures.

The sensor utilizes internal electronic circuitry for signal processing, eliminating the need for external signal conditioners (such as the IPC704 or IPC707). This internal circuitry also performs charge-to-current conversion, generating a current-modulated output signal suitable for long-distance transmission. This device is designed to monitor and protect machinery operating in harsh industrial environments and/or hazardous areas.

SPECIFICATIONS:

Sensitivity (+25°C): 100 mV/g ±5%
Dynamic Range: 80 g
Lateral Sensitivity (Max): 5% of Axial Sensitivity
Linearity: 1% over full scale
Frequency Response (Nominal):
• 3 Hz - 5 kHz: ±5%
• 1 Hz - 9 kHz: ±10%
• 0.5 Hz - 14 kHz: -3 dB
Resonant Frequency: 30 kHz
Temperature Response:
Typical Deviation: -55°C to +120°C: ±5% -55°C: -5% 120°C: +3%
Input Current: 2 to 10 mA
Current Source Supply Voltage: 18 to 30 VDC
Bias Output Voltage: 12V DC Noise (Equivalent g)
Output Impedance (Max): 100 Ω
Ground: Housing isolated, internally shielded
Reverse Polarity: Protected
Temperature Range: -55°C to +120°C
Vibration Limit: 500 g (peak)
Impact Limit: 5000 g (peak)
Base Strain Sensitivity: Maximum, 0.0002 g peak/με ESD
Electromagnetic Sensitivity (Equivalent): 70 μg/Gauss

• Vibration monitoring of turbines,turbocompressors, etc.
• Integrally attached electronics
• Long distance signal transmission
• Medium temperature
• Certified for use in potentially explosiveatmospheres

CE134  444-134-000-405 Vibration Piezoelectric Accelerometer PDF Datasheet