Frequency & Counters Meters
Frequency Counter, LEADER, Model LDC-821
![Frequency Counter, LEADER, Model LDC-821 Frequency Counter, LEADER, Model LDC-821](http://www.museu-tecnologia.com.br/wordpress/wp-content/uploads/2010/07/hpim68011-500x494.jpg)
Frequency Counter, LEADER, Model LDC-821
Universal Counter, HEWLETT-PACKARD, Model 5314A
![Universal Counter, HEWLETT-PACKARD, Model 5314A Universal Counter, HEWLETT-PACKARD, Model 5314A](http://www.museu-tecnologia.com.br/wordpress/wp-content/uploads/2010/07/hpim5975-500x360.jpg)
Universal Counter, HEWLETT-PACKARD, Model 5314A
Frequency Counter, MEGURO, Model MFC-1310
![Frequency Counter, MEGURO, Model MFC-1310 Frequency Counter, MEGURO, Model MFC-1310](http://www.museu-tecnologia.com.br/wordpress/wp-content/uploads/2010/07/hpim60391-500x342.jpg)
Frequency Counter, MEGURO, Model MFC-1310
Handi-Counter, OPTOELECTRONICS, Model 2300
![Handi-Counter, OPTOELECTRONICS, Model 2300 Handi-Counter, OPTOELECTRONICS, Model 2300](http://www.museu-tecnologia.com.br/wordpress/wp-content/uploads/2010/07/zyu-017-293x300.jpg)
Handi-Counter, OPTOELECTRONICS, Model 2300
Handi-Counter, OPTOELECTRONICS, Model 1300H/A
![Handi-Counter, OPTOELECTRONICS, Model 1300H/A Handi-Counter, OPTOELECTRONICS, Model 1300H/A](http://www.museu-tecnologia.com.br/wordpress/wp-content/uploads/2010/07/zyu-018-283x300.jpg)
Handi-Counter, OPTOELECTRONICS, Model 1300H/A