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 IK10 | |
| IP68-IP69K wash-down proof up to 100 Bar (many submerged 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
FAQ
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.
- 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
- 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
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.
- Industrial automation and control
- Medical and healthcare
- Transportation and automotive
- Aerospace and aviation
- Security and access control
- Public kiosks and self-service terminals
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.
- 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.
When customizing a piezo keypad, you have various options such as choosing the size, shape, layout, materials, graphics, backlighting, and additional functionalities. Common customization requirements include meeting industry standards, IP-rated sealing for water and dust resistance, compliance with specific specifications, resistance to harsh conditions, and integration into larger systems.
Langir is a leading and reputable piezo keypad manufacturer known for its expertise in producing high-quality and customized keypads. With years of experience in the industry, Langir has a proven track record of delivering reliable and durable solutions for various applications. By choosing Langir, you can benefit from their in-house design and engineering capabilities, ensuring that your custom piezo keypad meets your exact requirements. Langir utilizes top-grade materials, rigorous quality control processes, and comprehensive testing to ensure the performance and longevity of their keypads. Their commitment to customer satisfaction and their excellent reputation in the industry make Langir the ideal choice for your piezo keypad customization needs.