Piezoelectric accelerometer CA 134 | Code 144-134-000-203

144-134-000-203

FEATURES  144-134-000-203
» From the Vibro-Meter ® product line
» Vibration monitoring over a wide temperature range, including cryogenic temperatures
» Differential output
» Hermetically welded
» Certified for use in potentially explosive atmospheres
» Frequency response:  0.5 to 6 000 Hz
» Sensitivity: 10 pC /g
» Temperature range: −253 (20 K) to 500 °C

SPECIFICATIONS  144-134-000-203
General
Input power requirements : None
Signal transmission : 2-pole system insulated from casing, charge output
Signal processing : Charge amplifier
Operating
At +23°C ±5°C (+73.4°F ±9°F)
Sensitivity (at 120 Hz) : 10 pC/g ±5%
Dynamic measuring range : 0.001 to 500 g peak
Overload capacity (spikes) : Up to 1000 g peak
Linearity : ±1% over dynamic measuring range
Transverse sensitivity : <5%
Resonant frequency (mounted) : >14 kHz nominal
Frequency response
• 0.5 to 3500 Hz : ±5% (lower cutoff frequency is determined by the electronics used)
• 3500 to 6000 Hz : <10%
Insulation resistance : Min. 108 Ω at 23°C (73°F).
Min. 105 Ω at 500°C (932°F).
Capacitance (nominal) : 450 pF pole to pole.
20 pF pole to ground.
Environmental
Temperature range
• Continuous operation : −253 (20K) to +500°C (−423 to +932°F)
• Short term survival : −253 (20K) to +520°C (−423 to +968°F)
Maximum temperature error (with respect to +23°C)
• −253°C (20K) : −5%
• +500°C : +10%
Shock acceleration : <2000 g peak (half sine, 1 ms duration) along sensitive axis
Corrosion, humidity : INCONEL® 600, stainless steel, hermetically welded
Base strain sensitivity : <7 × 10-4 g/µε

Ordering number

144-134-000-203

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