• Portable 30 channel digital 1/3 Octave Analyzer.
• Uses the power of your computer
• IBM compatible
• Windows software included 
• Captures full 85dB window with scales from ¼ to 5dB
  
• Filters exceed ANSI spec

The following standard features are supplied...

• DSPCIW: Model MK8A - 600 ohm omni-directional electret condenser instrument microphone.
• DSPCIB: - With Intelligibility Package - Model TEF04 instrument microphone, OPTSTICis^tm CD and Rugged carrying case.
• RS232 interface.
• Automatic Sum & Average function to normalize readings and stabilize pink noise.
• 60 active memories.
• IEC Flat, A, C or User designated curves.
• A Sum mode to sum and average response curves.
• A Subtract mode to subtract one memory from another.
• Scales from ¼dB to 5dB.
• Multiple plot function.
• Export file function.
• Optional expansion features can be added anytime.
• Computer shown is not include

Rack mount adapters available.

• Available in Rack Mount (DSP30RM) and Portable (DSP30) models
• All DSP series units can be interfaced with a computer using the Optional RS232 port and available software

Measurement Range:

• Microphone input: 31dB to 123dB SPL
• Line input: -88dBm to +14dBm (.031mV to 3.88V rms)
• Measurement window: 85dBInputs:
• Microphone: Balanced, XLR 3 pin receptacle.
• Line: Unbalanced ¼" phone jack. 15k ohm impedance.
• RS232 port: DB25M

Center Frequencies:

• ISO 1/3 octave between 25Hz - 20kHz.

Center Frequency Accuracy:

typically ±1%.

Relative Flatness Channel to Channel:

¼dB

Display (via computer interface):

Audio Spectrum, 30 channel, scalable in ¼, ½, 1, 2, 3, 4, or 5dB SPL .

Memories:

via computer interface.

Function control:

via computer interface

Display (via computer interface):

Audio Spectrum, 30 channel, scalable in ¼, ½, 1, 2, 3, 4, or 5dB SPL .

Memories:

via computer interface.

Function control:

via computer interface.

Print function:

via computer interface.

Filters:

ANSI standard (triple tuned) & sharper than standard for notching applications.

Weighting:

IEC A, C, Flat or USER defined.

Decay Rate:

Fast = 34.7dB/s, Medium = 8.7dB/s, Slow = 4.3dB/s

Power requirements:

Batteries: Eight "AA" alkaline or nicad.

External: 12Vdc @ 500mA via 2.1mm jack

Approvals: -

Emissions: - EN 55022 B - FCC Class B

Immunity: - EN 55024 B

Size (W x H x D); Weight:

7 5/8" x 1 3/4" x 9 3/4"; 2½ lbs.

Case Material:

Painted aluminum

DSPCIW Specification sheet. 8.4K unzipped.
DSPCIW Manual 109K unzipped.