Sanker U-508 Sonic Belt Tension Meter – Precision Meets Portability

🎯 High-Precision Acoustic Technology

The U-508 employs advanced sonic signal processing to measure belt tension with ±1% accuracy, significantly outperforming traditional mechanical gauges (typical error >5%). The device automatically filters out ambient noise interference, ensuring reliable, repeatable data in noisy industrial environments.

📏 Ultra-Wide Measurement Range

- Tension Range: 0.01 – 99,900 N

- Frequency Range: 10 – 5,000 Hz

This expansive range accommodates everything from delicate timing belts to heavy-duty industrial conveyor belts, making the U-508 a versatile tool for diverse applications.

💡 Smart Data Management

- 500 measurement records stored onboard — functions as a microcomputer for field data logging

- 48 pre-loaded belt constants for immediate selection, eliminating repetitive manual entry

- Maximum, minimum, and average value recording for comprehensive analysis

🔧 Advanced Sensor Technology

The U-508 features an upgraded aerospace-grade induction probe with enhanced sensitivity, particularly effective for capturing low-frequency vibrations on large conveyor systems. The flexible acoustic arm sensor (170 mm length) provides optimal positioning flexibility in tight installations.

🖥️ User-Centric Design

- LCD screen with backlight — clearly visible in dimly lit maintenance areas

- Compact and lightweight handheld form factor (160 × 59 × 26 mm)

- Output selectable in Hertz, Pounds, Newtons, or Kilograms — adapts to your preferred unit system

- One-handed operation — no training required for basic measurements

🔋 Extended Battery Life

Powered by standard AAA batteries for all-day field use without frequent recharging downtime.

The U-508 operates on the principle of transverse string vibration — the same physics governing guitar strings. When a belt is plucked or lightly struck, it vibrates at a specific natural frequency determined by its mass, tension, and free span length.

1. Input Parameters: Enter the belt mass, width, and span length (or select from 48 pre-stored belt constants)

2. Capture Vibration: Position the acoustic probe near the belt center and lightly tap the belt

3. Instant Readout: The U-508 analyzes the harmonic frequency and displays the corresponding tension value in real time

The non-contact acoustic method eliminates mechanical wear on both the measurement tool and the belt, ensuring long-term durability and consistent accuracy.

The U-508 is compatible with a comprehensive range of industrial belt types:

- V-belts (wrapped, raw-edge, cogged)

- Synchronous (timing) belts

- Poly-V (multi-ribbed) belts

- Banded (joined) belts

- Power transmission belts

Standard Package (PN SKM-MM)

Each standard package includes a flexible acoustic arm sensor with male–female connectors for quick and secure attachment to the U-508 meter. Simple and practical for everyday use.

- 170 mm arm length

- Frequency range: 10 – 5,000 Hz

Incorrect belt tension is a leading cause of premature component failure and energy waste. Consequences include:

- Bearing damage from excessive radial loads

- Belt slippage and overheating from insufficient tension

- Reduced belt and component lifespan

- Energy loss and decreased system efficiency

- Unplanned downtime and increased maintenance costs

The Sanker U-508 enables maintenance professionals to quickly verify and adjust belt tension to manufacturer specifications, ensuring optimal power transmission performance and extended equipment service life.