Direct Current Electrical Measurements

• Standard Cells and Electronic Voltage References
• Standard Resistors
• High-value Resistors (Updated)
• Current-Carrying Resistors
• DC Volt Ratio Boxes
• DC Voltage Calibrators
• DC Potentiometers
• DC Voltmeters
• DC Ammeters
• DC Current Calibrators
• DC Resistive High-voltage Dividers
• Insulation Resistance Testers(Updated)
• Electrostatic Meters (Updated)
• DC Resistance Calibrators (New)
• Electrometer (New)

Enquiry Telephone: (852) 2829 4832

e-mail: wklee@itc.gov.hk