DK Technologies MSD100 Stereo Audio & Loudness Meter

The DK Technologies MSD100 loudness meter allows you to "see what you hear." It is in fantastic condition and has been sealed in a box untouched for years. It displays the loudness of the individual audio channels, as well as the sum of the left and right signals. It has minor scoffs on top rim and stand. It comes with its original base stand, power cord, and manuals.

Specifications: 
The MSD100 conforms with the ITU BS-1770 and ITU BS-1771 recommendations on how to measure loudness.
Inputs
The MSD100 is equipped with 1 AES3 stereo input.

Digital input
The digital input is equipped with a sample rate converter to synchronize the input to the internal clock.
Sample rate range: 30 Hz to 100 kHz.
Internal sample rate: 48 kHz.
Bit resolution: 24 bits.
Group delay: maximum 1.75 msec.
Passband ripple: ±0.008 dB. Thd+N: typical –103 dB at 1 kHz. Dynamic range: >120 dB.
Nominal input impedance: 110 ohm.

Mechanical Specifications
The MSD100C includes a U-bracket and a base [late for easy table mount.
Dimensions
Height: 144 mm
Width: 186 mm (Mounting holes 190 mm)
Depth: 41 mm