Characteristic Specifications Supplemental Information
APx511 B Series Hearing Instrument Analyzer: Specifications 27
Residual IMD
1,2,3
(Speaker to Microphone, Speaker Voltage, Telecoil Current)
SMPTE & MOD ≤–80 dB [0.01 %], 4:1 mix ratio
DFD ≤–80 dB [0.010 %]
Frequency Measurement
Range 100 Hz to 20 kHz
Accuracy ±0.0003% [3 ppm] V
in
must be 5 mV.
Resolution 6 digits
DC Voltage Measurement
Input Ranges 0.25 V to 80 V, 10 dB steps ±24 Vdc maximum in 25 V range
Accuracy
250 mV and 800 mV ranges ±(0.7% reading + 1 mV)
2.5 V to 80 V ranges ±(0.7% reading + 0.1% range)
Battery simulator
Number of outputs
1 on DB15 connector on rear panel
Battery output specifications
DC output range 0 to 2.048 Vdc Resolution typically 1 mV
Resolution ≤ 15 mV
Accuracy ±15mV
DC output impedance 4.3 ohms ± 5%
Noise ≤ 1 mV pp over 10kHz BW
DC output current 30 mA dc
Battery current measurement
Current measurement range 0 to 30 mA
Resolution 10 µA
Accuracy ±5 % Release 3.3 and greater.
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