音頻電壓表 Voltage measurment range 10μV to 300V,unbalanced 10μV to35V balanced Frequency range 10Hzto 100kHz 22.4Hz and 300Hz highpass filters CCIR,CCITT Other filters contained in option UPA-B2 Test inputs floating Balanced two 3-contact female connectors switch able R/L channel,600Ω/20kΩ Unbalance rejection >110dBat 50Hz Unbalanced two BNC female connectors switch able R/L channel,1MΩ Crosstalk attenution R/L >80dB at 20kHz Detector RMS-responding rectifier quasi-peak responding rectifier Level indication 5digits in mV,V dBm mW or W relative indication in % or dB Accuracy RMS(sine wave) ±1%±1digit(30Hz to 20kHz) Inherent noise CCIR,weighted(QPK) <10μV(unbalanced,600Ω) <20μV(balanced,600 Ω)
失真測量 (with Generator Option UPA-B6) Signal frequencyrange 30Hz to 100kHz Display range 0 to 120dB Accuracy(S/N ≤60dB) ±1dB Inherent S/N ration ±85dB or <20μV DC voltage measurment 0 to ±300V Test inputs see AF level meter but unbalanced only Accuracy ±1%±1digit Frequency counter Frequency measuremnt range 8Hz to 250kHz Required input vltage >10mV (S/N ratio>20dB) Accuracy ±0.005%±1digit Phase measurement Display range 0 to 180° Resolution 0.1°