电流放大器 Fluke 5220A

厂家: 美国福禄克
尺寸: 18x43x56cm

Transconductance Amplifier

Transconductance: 1 siemens (1 A per volt)
Output range: 0 to 20 A dc or rms ac
DC accuracy: ±(0.025% of output + 1 mA)
AC accuracy: ±(0.05% of output + 1 mA) from 30 Hz to 1 kHz, and ±(0.05% of output + 1 mA) x f from 1 kHz to 5 kHz, where f is frequency in kHz
Short-term stability dc: output changes less than ±(0.005% + 200 µA) in 10 minutes, with constant line, load, and temperature
Short-term stability ac: output changes less than ±(0.01% + 500 µA) in 10 minutes, with constant line, load, and temperature
100, 110, 115, 120, 200, 220, 230, 240 Vac +10%; 50-60 Hz operation
Weight: 50 lb

The 5220A Transconductance Amplifier allows for the calibration of AC or DC meters and shunts and current functions of digital multimeters that measure up to 20 A. A known input voltage of 1 to 20 volts produces a known output current of 1 to 20 amps. The 5220A is designed to be controlled by the 5700A or 5100B series calibrators but may be driven by any other voltage source.

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