- With maximum reliability and durability, the piezo keypads are Ideal for use in rough environments.
- IP68 Dust and water resistant, Sea-water and detergent resistant.
- No moving part, maintenance free.
- Made of one piece of solid metal, totally rugged.
- Potted switching unit at rear seals against all contamination and prevents freezing
- Flexible anodize print or laser engrave layout
Touch Metal Piezo Keypads
The piezo keypads are made to serve reliably in the harshest conditions, such as extreme weather and in high-risk areas where vandalism is a concern. Tey have waterproof and tamper-proof details, contains no moving parts and is constructed to deliver maximum long-term use. This keypad comes with Matrix output as standard, eliminating the need for costly ASIC interfaces.
Learn More: LANGIR Piezo Technology Applications
Touch Metal Piezo Keypads
Technical Data
Electrical Data | |
Standard Output | Matrix / Common Bus |
Contact Arrangement | SPST N.O. |
Switch Voltage | 1 – 24V AC/DC |
Switching Current | 0.2A / 1A |
Force required for switch operation | 3 – 5N |
Mechanical Data | |
Material | Aluminium / Stainless Steel |
Graphics | Anodized Printing / Laser Engraving |
Electrical Connection | Flat Cable / Pins |
Available Interfaces | RS232 / RS485 / USB/ I2C / ASCII / UART |
Environmental Data | |
Operating Temperature | -20°C to 85°C |
Exceeds Class 1 Div 1 hazardous location requirements | |
Impact proof to lK10 | |
IP68-IP69K wash-down proof up to 100 Bar (manysubmerged installations) | |
Compliant with IEC/EN 60529,CE, ROHS,REACH | |
Neither creates nor is affected by ESD, RFI or EM. |
3X4/ 4X3 | Description | Options | |
KP34 | 3X4 Touch Metal Piezo Keypad | Matrix , Common Bus, Data, USB | |
KP43 | 4X3 Touch Metal Piezo Keypad | Matrix , Common Bus, Data, USB | |
4X4 | Description | Options | |
KP44 | 4X4 Touch Metal Piezo Keypad | Matrix , Common Bus, Data, USB | |
4X5 / 5X4 | Description | Options | |
KP45 | 4X5 Touch Metal Piezo Keypad | Matrix , Common Bus, Data, USB | |
KP54 | 5X4 Touch Metal Piezo Keypad | Matrix , Common Bus, Data, USB |
Order Code
FAQs
1. What is a piezo keypad and how does it work?
A piezo keypad is a type of keypad that utilizes piezoelectric technology to detect user input. Piezoelectric materials generate electrical charges in response to mechanical pressure. When a user applies pressure to a piezo keypad, it generates an electrical signal that is detected and interpreted as a key press.
2. What are the advantages of using piezo keypads?
- Durability and resistance to wear and tear
- Waterproof and resistant to harsh environments
- Long lifespan
- No moving parts, reducing the risk of mechanical failure
- High sensitivity and responsiveness
- Can be operated with gloves or in wet conditions
3. How are piezo keypads different from traditional mechanical keypads?
Unlike traditional mechanical keypads that use physical switches, piezo keypads rely on the piezoelectric effect to detect input. This eliminates the need for moving parts, making them more durable and less prone to mechanical failure. Additionally, they are often more resistant to water and environmental factors.
4. Are piezo keypads resistant to water and harsh environments?
Yes, they are typically designed to be waterproof and resistant to harsh environments. They are often sealed to prevent water, dust, and other contaminants from entering the keypad, making them suitable for use in outdoor or industrial settings.
5. Can piezo keypads be customized for specific applications?
Yes, they can be customized to meet specific application requirements. This includes options for different sizes, shapes, key configurations, backlighting, and integration with other control systems. Manufacturers often offer customization services to tailor the keypad to the unique needs of the customer.
6. What industries commonly use piezo keypads and keypad switches?
- Industrial automation and control
- Medical and healthcare
- Transportation and automotive
- Aerospace and aviation
- Security and access control
- Public kiosks and self-service terminals
7. What are the benefits of using piezoelectric technology in keypads?
- High reliability and durability
- Fast response time
- Resistance to environmental factors such as moisture, temperature, and chemicals
- Long lifespan with millions of actuations
- Low power consumption
8. Are switchplates available for piezo keypads?
Yes, switchplates or protective overlays are commonly available for piezo keypads. These switchplates provide an additional layer of protection, preventing accidental key presses and enhancing the overall durability of the keypad.
9. Can piezo keypads be used for access control systems?
Yes, they are often used in access control systems. Their durability, resistance to tampering, and enhanced security features make them suitable for applications such as door entry systems, keyless entry systems, and security gates.
10. How do piezo keypads enhance security in access control applications?
- Anti-tampering features: Piezo keypads are resistant to physical tampering, making it difficult for unauthorized individuals to manipulate the keypad.
- Covert operation: The lack of tactile feedback in piezo keypads makes it difficult for potential intruders to detect the pressed keys, enhancing security.
- PIN code protection: Piezo keypads can be used to enter PIN codes or passwords, adding an additional layer of security to access control systems.