Danbridge Type GZ-1 Precision Impedance Comparator Bridge

Vintage Laboratory Test Instrument – Made in Denmark

For sale is a vintage Danbridge Electronics Type GZ-1 Precision Impedance Comparator Bridge manufactured in Denmark. This is professional laboratory-grade electronic test equipment designed for precision impedance comparison and measurement applications in research, calibration, and advanced electronics laboratories.

The GZ-1 is a specialized impedance comparator bridge used for comparing unknown electrical impedance values against known standards with very high precision. Instruments of this type were commonly used in metrology labs, telecommunications research, component development, calibration environments, and advanced electronics testing.

Features and Functions:

• Precision impedance comparator / bridge instrument

• Multiple decade rotary selector controls

• Designed for high-accuracy impedance comparison work

• Suitable for resistance, capacitance, and related bridge measurement applications

• Heavy-duty laboratory construction

• Professional-grade Danish test equipment

• Front-panel binding terminals and calibrated controls

• Vintage analog laboratory instrumentation

This unit is a substantial and well-built piece of professional equipment typical of classic European laboratory instrumentation. The controls rotate smoothly with positive detents and the panel markings remain clear and legible.

The unit has been tested to the limit of available equipment and was found to respond properly during basic functional evaluation. Full laboratory calibration and certification were not performed, and no guarantee of calibration accuracy is implied.

Condition:

Very clean vintage condition with normal cosmetic wear from age and laboratory use. Cabinet presents well overall. Please review all photographs carefully, as they are part of the description and show the exact instrument you will receive.

Because this is specialized precision laboratory equipment, buyers should verify suitability for their intended application prior to purchase.