Audible Piezo Buzzer Alarm

The Audible Piezo Buzzer Alarm is a compact, reliable alert device designed to provide clear, immediate audible notification when temperature thresholds or alarm conditions are reached. Engineered for use with the PMD and PMD-W Series “SuperLite” digital pyrometers, this buzzer ensures that critical events are never missed—whether in motorsports, industrial monitoring, or testing environments.

With internally driven piezo technology, low power consumption, and a strong sound output, this buzzer delivers dependable performance in applications where fast, attention-grabbing alerts are essential.

Reliable Audible Alerts for Critical Conditions

In many applications, visual indicators alone are not enough to ensure timely response. The Audible Piezo Buzzer Alarm provides a clear, continuous sound output to alert operators when a monitored parameter—such as temperature—exceeds a preset limit.

This audible feedback helps:

• Prevent overheating or equipment damage

• Alert operators in noisy or fast-paced environments

• Improve safety and response time

• Ensure critical conditions are not overlooked

Whether installed in a race car, industrial system, or testing setup, the buzzer provides an additional layer of protection and awareness.

Designed for Use with PMD and PMD-W Pyrometers

The Audible Piezo Buzzer Alarm is specifically designed for seamless integration with The Sensor Connection’s PMD and PMD-W Series “SuperLite” digital pyrometers.

These systems are commonly used for:

• Exhaust gas temperature (EGT) monitoring

• Engine performance tuning

• Industrial temperature monitoring

• Data acquisition and testing

By connecting directly to these pyrometers, the buzzer provides an immediate audible alert when alarm thresholds are triggered, enhancing the functionality of the monitoring system.

Internally Driven Piezo Technology

This buzzer features an integrated driver circuit, simplifying installation and operation.

Key advantages of internally driven piezo technology include:

• No external driver circuitry required

• Direct operation with DC voltage input

• Simplified wiring and setup

• Reliable and consistent sound output

The unit operates using a standard DC voltage input, making it easy to integrate into a variety of systems.

Clear, Continuous Sound Output

The Audible Piezo Buzzer is designed to produce a continuous tone that is easily heard in most environments.

• Sound pressure level: 85 dB @ 12 VDC (typical)

• Minimum sound level: 75 dB @ 30 cm

• Operating mode: Continuous sound

This level of output ensures that alerts are noticeable without being overly intrusive, providing a balance between effectiveness and usability.

The buzzer’s resonant frequency of 4500 Hz ±500 Hz is optimized for human hearing, ensuring that the alert tone stands out in typical operating environments.

Wide Voltage Range for Flexible Integration

The buzzer operates over a wide voltage range:

• Voltage range: 3 to 20 VDC

This flexibility allows it to be used with a variety of systems and power sources, including:

• Automotive electrical systems

• Industrial control systems

• Portable or battery-powered setups

The ability to operate across a broad voltage range makes it a versatile solution for many applications.

Low Power Consumption

Designed for efficiency, the Audible Piezo Buzzer Alarm has minimal power requirements:

• Current consumption: 10 mA @ 12 VDC

This low power draw makes it suitable for:

• Battery-powered systems

• Energy-efficient designs

• Continuous monitoring applications

Compact, Lightweight Design

The buzzer features a compact and lightweight form factor, making it easy to install in tight spaces.

• Diameter: 7/8" (22 mm)

• Height: 5/16" (8 mm)

• Weight: 4 grams

Its small size allows it to be mounted in control panels, dashboards, or equipment housings without adding significant bulk.

Easy Installation and Mounting

The Audible Piezo Buzzer Alarm is designed for quick and straightforward installation.

Key features include:

• 2-wire connection for simple wiring

• Mounting centers: 1-3/32" (27.5 mm)

• Compact footprint for flexible placement

This ease of installation makes it ideal for both new systems and retrofits.

Built for Real-World Environments

The buzzer is designed to operate reliably in a variety of environments:

• Operating temperature: -4°F to +140°F (-20°C to +60°C)

This temperature range ensures consistent performance in both indoor and outdoor applications.

Typical Applications

The Audible Piezo Buzzer Alarm is used in a wide range of applications where audible alerts are critical:

• Motorsports and performance vehicles

• Exhaust gas temperature (EGT) monitoring

• Industrial process monitoring

• Equipment safety systems

• Laboratory and testing environments

Its ability to provide clear, immediate alerts makes it an essential component in any system requiring real-time monitoring.

Why Use an Audible Alarm?

In many systems, relying solely on visual indicators can lead to missed alerts—especially in environments where operators are focused on multiple tasks.

An audible alarm provides:

• Immediate attention-grabbing notification

• Redundant alert system for improved safety

• Increased awareness in high-noise or fast-paced environments

• Faster response to critical conditions

Why Choose the Audible Piezo Buzzer Alarm?

This buzzer is designed to deliver reliable performance and easy integration, making it a practical choice for a wide range of applications.

Key advantages include:

• Internally driven piezo technology for simple operation

• Continuous audible output for clear alerts

• Wide voltage range for flexible integration

• Low power consumption

• Compact, lightweight design

• Easy installation with 2-wire connection

• Compatibility with PMD and PMD-W pyrometers

Enhance Your Monitoring System

The Audible Piezo Buzzer Alarm adds a critical layer of feedback to your temperature monitoring system, helping ensure that important events are never missed.

Whether you are monitoring engine performance, protecting equipment, or conducting testing, this buzzer provides the audible alert you need to respond quickly and confidently.

Simple, Reliable, Effective

When it comes to system alerts, simplicity and reliability matter. The Audible Piezo Buzzer Alarm delivers both—providing a dependable, easy-to-integrate solution for audible notification in demanding applications.