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Andeen-Hagerling - Model AH 2700A -Capacitance Bridge
The Andeen-Hagerling AH 2700A is a precision capacitance bridge essential for high accuracy capacitance and inductance measurements and calibration tasks. It offers exceptional stability and resolution, making it suitable for aerospace, metrology, and other demanding scientific applications. It features automated measuring capabilities that significantly reduce manual intervention, improving both the accuracy and efficiency of measurement processes. Its range of integrated functions allows for comprehensive analysis, supporting up to 1 kHz for capacitive measurements. The robust design ensures consistent performance over extended periods, a key requirement for environments requiring precision under varying conditions. Furthermore, the tool's enhanced calibration procedures ensure that readings are traceable to international standards, thereby meeting stringent quality requirements essential for industry-wide compliance.
Very high precision, three-terminal capacitance measurements can be affected by the self-inductance of the test cables, mainly at higher capacitance values. Magnetically induced noise can also reduce the quality of measurements. The cable now offered by Andeen-Hagerling both minimizes these problems and provides a way to standardize the residual self-inductance. High precision calibration measurements can now use a standard one meter length of test cable to minimize and standardize cable induced errors.
- Low triboelectric noise
- Minimizes self-inductance at frequencies below 1 MHz
- Minimizes the enclosed area to reduce pickup from magnetic fields
- Rib on one half cable allows easy identification
- Shielding is 100% using foil and copper braid construction
- Center conductor is equivalent to 20 gauge to minimize resistance
- Good flexibility makes it suitable for test leads
- Easily zippable
- Capacitance of one cable half: 106 picofarads/meter
- Center resistance of one cable half: 36 milliohms/meter
- Shield resistance of one cable half: 14 milliohms/meter
- Loop inductance at 1 kHz: 1.1 microhenries/meter