Please click your language flag. Bitte Sprachflagge klicken.

History of the manufacturer  

Hung Chang Co. Ltd., Protek; Seoul

As a member you can upload pictures (but not single models please) and add text.
Both will display your name after an officer has activated your content, and will be displayed under «Further details ...» plus the text also in the forum.
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  90 Digital-Multimeter HC-3500T   Digitalmultimeter mit Temperatur-, Frequenz- und Kapazitätsmessung. DC: 200 mV - 1000 V; ... 
ROK  85 Oscilloscope OS-620 DEP unknown_Tube  20 MHz dual trace oscilloscope. 
ROK  80 HM-101   Kleines Taschenmultimeter, analog. V=, V~, mA=, Ohm, dB. Ri: 2 kΩ/V=~. 
ROK  85 Multifunction Counter HC-F1000   Frecuencímetro y contador de pulsos/períodos desde 10 Hz a 1 GHz. 2 entradas de 1 MΩ y 50 ... 
ROK  88 Multifunction Counter HC-LF1000   Time period/frequency counter (10Hz - 1 GHz), 8-digit LED readout. 
ROK  80 Digital Multimeter HC-9020   Multimetro digital de taller, con enclavamiento de lectura. 
ROK  80 Oscilloscope OS-650 150CTB31  50 MHz Dual Trace Oscilloscope; CRT 10 x 8 cm; Vertical: 1 mV/Div - 5 V/Div ; Horizontal... 
ROK  96 Digital Multimeter Protek 505   Digital Multimeter with LCD dual display, 3 3/4 digit auto ranging and 4000 count. Ba... 
ROK  95 Protek True RMS Digital Multimeter 506   Protek True RMS Digital Multimeter 506 mit 3 3/4 Digit-Anzeige 3999 Besonderheiten: ... 
ROK  96 Protek A803    
ROK  78 Multimeter HC-3030S   Analog multimeter. AC/DC 10/30/100/3001000V DC 3V DC 100µA/3mA/30mA... 
ROK  ? Sweep Function Generator 9205 C    


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

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


Data Compliance More Information