SIGMA SG-2230A 电声测试仪（15Hz~20kHz）

Sweep Analyzer Level Flatness: 
50Hz – 20kHz <± 0.1 dB.
20Hz – 20kHz <± 0.3 dB.
15Hz – 20kHz <± 0.5 dB. 
Sweep : 
Log : 1/1,1/3,1/6,1/12,1/24,1/48 Octave steps.
Lin : 1 to 2000 steps.
Preamp. Input : 
Via standard LEMO 7-Pin Connector
Input Impedance : 1 MΩ/100pF
Input Gain : -20 to 60 ± 0.2dB in steps of 20 ± 0.1dB.
Polarization Voltage : 200V
Power supply : ±15V
Power Amp : 
Output : 10mv - 10.00v RMS.
Max power : 8W - at 8 ohms
Standard software: Sound Production software 
(Windows® XP, Vista, W7)
Pentium®4, 1.5GHz processor minimum or equivalent. 
(Celeron processors are not recommended)
Interface Bus: Personal computer connected to the instrument through the Sound Analyzer Interface Bus. (USB2.0)
Sound Card = 1 PCI Slot
Remote control interfaces : 9P D-Type connector I/O signal - Start, Pass, Fail, Test_Run through the Sound Analyzer Interface Bus. (USB2.0)
Power Requirements : AC 220V 50/60Hz 90VA
Dimensions : 300(W) × 115(H) × 255(D) mm 
Weight : Approx. 3Kg

Datasheet