572** Amplifier

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The 572** Amplifier enhances the 5700A Series Multifunction Calibrators in the ac voltage, ac current, and dc current functions. The 572** operates under complete control of the 5700A Series calibrators through an interface cable supplied with the 572**.

Enhancements to 5700A/5720A ac voltage output capability provided by the 572**:

·Frequency limits at higher voltage increase to 100 kHz at 750 V, 30 kHz at 1100 V

·Load limits are to 70 mA for frequencies above 5 kHz, and to 50 mA for frequencies less than 5 kHz

·Capacitive load limits are increased to 1000 pF

Voltage output from the 572** is available at the 5700A Series Calibrators' front or rear binding posts. This eliminates the need to move cables during a procedure that requires amplified as well as standard calibrator outputs.

The 572** front or rear panel OUTPUT binding posts are only for current output. Extended-range ac and dc current is supplied through them. Since most meters with a high current range use a separate high current input terminal, this configuration normally eliminates the need to move cables during a procedure. If a single-point current output is needed, the 5700A Series Calibrator can be configured to source all current outputs through the 572** binding posts.

Model 572** operating functions and ranges:

·AC voltage: 220 V to 1100 V rms up to 70 mA (50 mA < 5 kHz), 40 Hz to 30 kHz; 220 to 750V rms up to 70 mA, 30 kHz to 100 kHz

·DC current: 0 A to ±11 A

·AC current: 1 A to 11 A rms, 40 Hz to 10 kHz

靖江中諾儀器有限公司為福祿克中國(guó)總代理，歡迎來(lái)電洽談！