NF 4502 精密功率放大器 (250VA, 2.1Arms)

Rated output power: 250VA

Maximum output power with respect to products: 313VA

Rated output current:: 

+ DC mode: ± 1.9A

+ AC mode(rms): 2.1Arms

Peak current: 2.5 X rated value (rms)

Rated output voltage: 120Vrms (± 170V) sinewave

Maximum output voltage: 141Vrms (± 200V) sinewave

Gain: 

+ CV: 100V/V

+ CC: 1.5A/V

Gain stability: ± 100ppm (typ.), ± 100ppm/8h (typ.) (CV, DC to 1kHz)

Output mode: CV, CC, DC and AC

Load regulation (DC mode): CV mode : Within ± 0.1% (DC to 1kHz), ± 2% max. (1kHz to 20kHz);  CC mode : Within ± 2% (DC to 1kHz), ± 20% max. (1kHz to 20kHz)

Line regulation (DC mode): CV mode : Within ± 0.1% (DC to 1kHz), ± 1% max. (1kHz to 20kHz)

Frequency response: +0.2, -0.5dB : DC to 5kHz (45Hz to 5kHz for AC mode), +0, -3dB : 5kHz to 20kHz

Harmonic distortion (DC mode): CV mode : 0.05% or less (10Hz to 1kHz), 1% or less (10kHz), 2.5% or less (20kHz);  CC mode : 0.5% or less (10Hz to 1kHz), 2.5% or less (20kHz)

Output offset voltage/current: Adjustable to zero

Remote sensing: Possible in the CV and DC mode (DC to 1kHz)

Output type: Balanced , single-ended possibly, isolated between input and output

Power requirements: 1φ 100V ± 10% (120, 200, 220 or 240V is available as option.) 48Hz to 62Hz

Dimensions(mm): 430(W) X 176(H) X 598(D)

Weight: approx. 27kg