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Heng Yu is a Hong Kong based company, with a strong R&D center in our Hong Kong headquarter and powered by our own modern production campus in Zhuhai (Guangdong, China). The two offices are linked up together by the world’s largest and amazing bridge over the sea.

Get In Touch

Phone: +852 2394 1852
Address: Room 1503-05, NanFung Commercial Center, 19 Lam Lok Street, Kowloon Bay, HK

Our Location

852-2394 1852


Heng Yu P12B pinpad is robust pinpad with spill-proof design will highly reliable and tactile keys. It can be mainly used as pin input devices for banks, POS terminals, payment centers and securities. Typical applications are as below:




  • Point of Sale PIN input device
  • Password pinpad in the bank counters
  • Access Control PIN input device
  • Stock price checking pinpad in securites houses
  • Manufacturing control instrument input device
  • Road toll input device

Main Features

  • Numeric keys with additional 2 user customized keys
  • Using high quality conducting rubber, operating life of individual keys > 10 million operations
  • Equipped with password-shield, protecting the pin from being seen during input
  • With several value added functions available
  • Support many connecting interfaces
  • Power can be retrieved from the keyboard port for RS232 interface

Value-added Functions

  • Red/Green LED indicators
  • 122×32 Dot matrix LCD
  • LCD with fixed display message
  • Fixed voice hint for operation guide
  • 64-bit DES encryption

DES Encryption

  • With 16 pairs of master and working encryption keys
  • Encryption keys can be downloaded from the host
  • Working encryption keys are encrypted by the corresponding master encryption keys
  • PINs are encrypted by the working encryption key, after the master encryption key having been activated

Technical Specification


  • Different baud rates are available
  • Interface: RS232 or USB
  • Power Supply: 5V/DC±10%
  • Current input: less than 100mA


  • Storage temperature: -40°C to +60°C
  • Operating temperature: 0°C to +50°C
  • Humidity: 20% to 90%, non-condensing
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