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Product information
Specifications

KISTLER 8714B500M5 SINGLE-AXIS IEPE ACCELEROMETER

PRODUCT OVERVIEW
The Kistler 8714B500M5 (Identification ID: 18010987) is a premium-tier single-axis IEPE accelerometer designed by Kistler Group. Utilizing advanced Ceramic Shear sensing element technology coupled with an integrated internal electronic amplifier, this device delivers exceptional measurement accuracy and long-term stability in the most demanding industrial environments.

OUTSTANDING ADVANTAGES OF CERAMIC SHEAR TECHNOLOGY
Compared to conventional accelerometer designs, the Ceramic Shear structure of the Kistler 8714B500M5 offers superior mechanical characteristics:
- Base Strain Insensitivity: Highly resistant to base bending, intense structural vibrations, or mechanical stress, protecting the sensing element and minimizing measurement errors.
- Thermal Transient Immunity: Effectively eliminates errors caused by rapid temperature fluctuations, allowing the sensor to maintain absolute accuracy near high-heat sources such as industrial motors, turbines, and furnaces.
- Minimal Cross-Axis Sensitivity: Features an extremely low transverse sensitivity index, ensuring the sensor focuses strictly on the primary measurement axis while filtering out multi-directional noise.
- Optimized High-Frequency Response: Perfectly engineered for advanced diagnostic applications, including Bearing Monitoring, Gearbox Analysis, and Turbine Condition Monitoring.

ADVANCED MECHANICAL DESIGN & PREMIUM PROTECTION
- Ultra-Durable Materials: The sensor housing is machined from high-grade Titanium, combined with an Anodized Aluminum base to achieve robust structural integrity while optimizing weight.
- Ultra-Lightweight Construction: Weighing only 4.2 g, it minimizes the mass-loading effect on the test object, ensuring precise capturing of the structure's true natural vibration frequency.
- Rigid Through-Hole Mount: The center-hole bolt mounting method establishes a highly rigid mechanical connection with the measurement surface, yielding significantly better high-frequency transmission compared to standard adhesive mounting methods.
- 360° Connector Orientation: The cable connector can be freely rotated 360 degrees around the center screw axis, allowing engineers to route the cable flexibly in tight or confined machine compartments.
- Ground Isolated Design: Fully isolates the signal ground to completely eliminate ground loop interference—the primary cause of signal degradation in facilities with high-power electrical equipment.
- Hermetic Sealing (IP68): The completely welded housing provides absolute immunity against dust, oil submersion, and moisture. It complies with the IP68 ingress protection rating when properly installed.

VERSATILE REAL-WORLD APPLICATIONS
This device is the premier choice for engineers and researchers across multiple sectors:
1. Condition Monitoring: Predictive maintenance and fault detection for large electric motors, industrial pumps, and high-power industrial fans.
2. Power Generation: Vibration monitoring for gas turbine shafts, steam turbines, and power generators in utility plants.
3. Automotive Testing: Ideal for vehicle structural Durability Testing, chassis Vibration Testing, and high-impact Shock Testing.
4. Aerospace Engineering: Structural vibration testing of aircraft components and harsh environmental flight simulation testing.
5. R&D Laboratories: Advanced Modal Analysis and specialized dynamic testing requiring absolute data integrity.

DYNAMIC MEASUREMENT SPECIFICATIONS

- Acceleration Range: ±500 g (where 1 g = 9.81 m/s², equivalent to ±4905 m/s²)
- Acceleration Limit: ±1000 g peak (Provides extreme resistance to mechanical impact and heavy shock)
- Nominal Sensitivity: 10 mV/g ±10% (Practical example: Outputs approximately 1 V at 100 g vibration and reaches 5 V at the peak 500 g limit)
- Threshold: 0.003 grms (Capable of detecting minute micro-vibrations and early-stage machine degradation)
- Mounted Resonant Frequency: 43 kHz (An exceptionally high resonance value that prevents signal distortion during high-frequency measurements)
- Frequency Response (±5%): 1 Hz to 10 kHz (Covers the vast majority of industrial vibration diagnostic frequencies)
- Amplitude Non-Linearity: ±1% FSO (Ensures outstanding linearity across the full scale output)

ELECTRICAL CHARACTERISTICS & IEPE OUTPUT
The Kistler 8714B500M5 features built-in microelectronic conditioning circuits utilizing IEPE (Integrated Electronics Piezo-Electric) technology. This design eliminates the need for expensive external charge amplifiers, provides exceptional noise immunity along long cable runs, and simplifies the overall installation layout.
- Supply Voltage: 20 – 30 VDC
- Constant Current: 2 – 18 mA
- Bias Voltage: 11 VDC
- Output Impedance: ≤100 Ω

ENVIRONMENTAL & THERMAL TOLERANCE
This specialized M5 High Temperature variant boasts impressive thermal stability due to its Shear design:
- Operating Temperature Range: -55°C to +165°C
- Thermal Performance: Delivers steady, drift-free measurements even when positioned immediately adjacent to extreme heat sources like turbines and industrial ovens.

MECHANICAL & MATERIAL SPECIFICATIONS
- Housing Material: Titanium
- Base Material: Aluminum Anodized
- Sensing Element: Ceramic Shear
- Sealing: Hermetic (Fully air and watertight)
- Weight: 4.2 g
- Mounting Style: Through-Hole Mount (Center hole) with a flexible 360° connector orientation.

INCLUDED ACCESSORIES & CABLE RECOMMENDATIONS
The product includes authentic accessories in strict accordance with the Kistler datasheet:
- Included Accessories:
+ 8430K01: 6-32 x 1/2" insulated screw assembly
+ 8430K02: M3 x 0.5 x 12 mm insulated screw assembly
- Recommended Cable: Kistler 1761B Series Sensor Cable to guarantee optimized signal transmission and minimum attenuation.