Vibro Meter - 144-280-000-015 Piezoelectric Accelerometer

Vibro Meter 144-280-000-015 Piezoelectric Accelerometer

Key Features and Benefits

• Brand: Vibro Meter | Model: 144-280-000-015
• High sensitivity: 100 pC/g ±5% for low-amplitude detection
• Explosion-proof certified for hazardous area installation
• Wide temperature range: -60 to +260°C continuous operation
• Frequency response: 0.5 to 6000 Hz covers critical machinery frequencies
• Hermetically welded AISI 316L stainless steel construction
• Symmetrical shear-mode design with internal case insulation
• Available as sensor-only or with integral cable versions

Technical Specifications

• Sensitivity: 100 pC/g ±5% at 120 Hz with 5 g excitation
• Dynamic measurement range: 0.01 to 500 g peak
• Excellent linearity: ±1% from 0.01 to 100 g, ±2% to 500 g
• Low transverse sensitivity: <3% for accurate directional measurement
• Resonant frequency: >20 kHz nominal for wide bandwidth
• Internal insulation resistance: 10⁹ Ω minimum
• Shock resistance: 1000 g peak (half sine, 1 ms) along sensitive axis
• No external power required - passive operation

Environmental Performance

• Continuous operation: -60 to +260°C (-76 to +500°F)
• Short-term survival: -70 to +290°C (-94 to +554°F)
• Hermetically welded AISI 316L stainless steel housing
• Temperature sensitivity error: ±10% from -60 to +260°C
• Low base-strain sensitivity: 0.8 × 10⁻³ g/με
• Ex certified for potentially explosive atmospheres

Installation Options

• Sensor-only version with high-temperature connector
• Integral cable versions with flying lead termination
• Mounting: Three M4 × 16 Allen screws with spring lock washers
• Mounting torque: 4 N•m (3 lb-ft) nominal
• ARINC® 554 fixation pattern for standardized installation
• No electrical insulation required on mounting surface
• Sensor weight: approximately 75 g (0.17 lb)

Electrical Characteristics

• Signal transmission: 2-pin system insulated from case
• Charge output requires external signal conditioner
• Recommended signal conditioner: IPC70x series
• Sensor capacitance: 15 pF nominal (pin to case)
• Internal capacitance: 8000 pF maximum between pins
• Cable versions add 200 pF/m of integral cable

Contact us for high-sensitivity vibration monitoring solutions: sales@nex-auto.com