Bruel & Kjaer - 2971 Phase Meter

Applications :

http://www.cieri.net/Documenti/Misure%20audio/Bruel%20&%20Kjaer%20-%20Electro%20Acoustic%20Measurements%20(AN16-035).pdf

http://www.technicalaudio.com/pdf/Bruel&Kjaer/Bruel&Kjaer_Control_Unit_TDS_Time_Delay_Spectrometry_5842.pdf

https://www.zainea.com/multidimensionalaudio.htm

http://www.vicmyers.com/wp-content/uploads/bnk_mechanical_vib_shock_measurements_bn1330.pdf

Forum :

https://www.febo.com/pipermail/time-nuts/2016-January/095809.html

Bruel & Kjaer - 2971 Phase Meter

Phase measurement for phase measurements on filters, amplifiers, etc., and impedance mechanic measurements

• Frequency range from 2 Hz to 200 kHz

• 4-digit display indicating the phase angle in degrees (0 - 360 °) or radians (0 - 6.28)

• Graduated analog indicator in radians

• Input signal from 10 mV to 15 V

• Positive / negative adjustable threshold

• DC outputs for recorder and BCD

• H x W x D: 133 x 139.5 x 200 mm