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History of the manufacturer  

Hung Chang Co. Ltd., Protek; Seoul

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Name: Hung Chang Co. Ltd., Protek; Seoul    (ROK)  
Abbreviation: hungchang
Products: Model types

Hung Chang Products Co. Ltd.,
Head Office: 1st factory address: 310-222, Bulkwang Dong, Eunpyung-Ku, Seoul, Korea
C.P.O. Box 3125, Seoul (South-) Korea.
2nd factory address: 1385-14, Chooan-Dong, Nam-Ku, Inchun, Kyunggi-Do, Korea.

Measurement equipment


This manufacturer was suggested by Fred Nerger.

Some models:
Country Year Name 1st Tube Notes
ROK  84 Multifunction Counter HC-F100   Hung Chang Multifunction Counter HC-F100 Multiple function counter 10 Hz - 100 MHz 8... 
ROK  92 Pocket DMM 920A   AC-DC 500V max Ω (Di) 250V max DC 200mA max Data Hold  
ROK  99 HC Pocket DMM 920R   DC / AC Volt and Ohm Meter, diode tester and beeper for continuity. 
ROK  86 Digital Multimeter HC-5010   3,5 digit 0,5" height LCD display; 0,25 % DC voltage accuracy; 10 Mohm input impeda... 
ROK  80 Digital Multimeter HC-5440 GES5818  3½ digit digital multimeter. 
ROK  75 VOM-Multitester HM-102BZ   3V Buzzer 
ROK  80 Digital Multimeter HC-777 2N3904   
ROK  86 Multimeter HC-201 1N4148  Ranges: DC Volts @ 20.000 Ω/V:   3, 12, 60,  300, 600< /br> AC Vo... 
ROK  96 Protek 2 GHz RF Field Analyser 3200   Der Protek 3200 ist ein Spektrum-Analysierer  mit einer Bandbreite von 100kHz bis 206... 
ROK  80 Multimeter 6010 Ch= HC 601   See also Voltcraft Multimeter 6010 
ROK  80 Multimeter HM-102    
ROK  95 Clamp Meter HC340A   Clamp Meter 


Further details for this manufacturer by the members (rmfiorg):

Q: Hung Chang, Service-Unterlagen 1986tbn_rok_hung_chang_korea.jpg