Vibro-Meter CA303 144-303-000-011 Piezoelectric Accelerometer

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The CA303 144-303-000-011 series of high temperature accelerometers are designed specifically for gas turbines applications. They feature a rugged design with hermetically sealed connectors and 1/4" mounting bolts.
An integral mineral insulated (MI) cable with stainless steel overbraid ensures signal integrity even in the most hostile environments.
The differential output signal minimizes noise pick-up due to electrical ground potentials. The differential output signal minimizes noise pick-up due to electrical ground potentials. A version with side connector is available when an integral cable is not required.

FEATURES

• Designed for high temperature gas turbine applications
• Continuous operation up to 455°C (850°F)
• High output of 50 pC/g
• Improved transverse frequency resonance

—— Technical Specifications ——

Manufacturer: Vibro-Meter
Product Numbers: CA303 144-303-000-011
Product Type: Piezoelectric Accelerometer
Place of 0rigin: Switzerland
at 73°F ± 9°F (23°C ± 5°C) Sensitivity (at 120 Hz) : 50 pC/g ± 5%
Dynamic measuring range (random) : 0.01 g to 40 g peak
Overload capacity (spikes) : Up to 100 g peak or 0.03 inch pk-pk (0.76 mm pk-pk), whichever is less
Linearity : ±1% over dynamic measuring range
Transverse sensitivity : <5% (20 to 300 Hz)
Resonant frequency (mounted) : >5 kHz
Frequency response (typical) : ± 5% between 5 and 3000 Hz (lower cut-off frequency is determined by electronics used)
Temperature error : < 10% between -67°F and 850°F (-55°C and 455°C)
Internal insulation resistance: Min. 10⁸ Ω pole-ground, Min. 10⁹ Ω pole-pole
Transducer and cable : -65°F to 850°F (-54°C to 455°C)
Connector : -85°F to 446°F (-54°C to 230°C)
Short term survival temperature : -65°F to 932°F (-54°C to 500°C) (transducer & cable)
Shock acceleration : <1000 g peak (1 ms half sine wave) along sensitive axis
Corrosion, humidity : Inconel 600, hermetically welded
Base strain sensitivity : <10⁻⁴ g/µε
Mounting : 1/4" Allen screws with M4 spring lock washers, screw torque 4.5 Nm. No need for electrical insulation of mounting surface.

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