Fluke 5220A transconductance amplifier
The Fluke 5220A transconductance amplifier lets you calibrate alternating or direct current meters and shunts, and the current functions of digital multimeters that measure up to 20A.
The 5220A is designed to be controlled by a 5700A or 5100 Series B calibrator but can be driven by another voltage source such as the 5200A. When used with a 5100 Series B, the current range of those instruments is extened by a factor of 10 to 1.
Protection is designed in to eliminate problems caused by excessive inputs, open inputs, and overcompliance. Indicators on the front panel inform the user about any of these conditions. Automatic shutdown occurs if the internal temperature rises excessively.
Drive voltage to the 5220A can be introduced through the front panel of the rear panel. The connector on the rear allows the 5220A to become an extension to the current range of a 5700A or 5100 Series B calibrator. The two instruments operate as one integrated calibration system with all the advantages of single control point calibration.
A 5100 Series B calibrator requires a Y5000 interface/buffer to control a 5220A. A single Y5000 interface/buffer may also be used to control a 5205A power amplifier.
GPIB and RS-232 options are available.
- Transconductance: 1 siemens (1 amp per volt)
- Output range: 0 to 20 A dc or rms ac (28.3 A peak)
- Maximum compliance voltage: ≥±4 V dc, or 3 V rms ac (4.25 V peak)
- Maximum isolation voltage: ±20 V dc or 20 V ac rms
- Transient recovery: Output will settle to within 0.01% of final value within 2 seconds following a programmed change in output current or frequency (10 ms for 5220A alone)
- Load capability: Drives all resistive and capacitive loads consistent with current and compliance voltage capability. Drices inductive loads up to 200 µH, consistent with current and compliance voltage capability