Test & Measurement Equipment : Audio Test Equipment : Gold Line - DSP30B

Portable 1/3 Octave Digital RTA with Intelligibility option

Model: DSP30B

The following standard features are supplied:
DSP30: Model MK8A - 600 ohm omni-directional electret condenser instrument microphone.
DSP30A: Model MK160 - 600 ohm omni-directional electret condenser instrument microphone.
DSP30B: - With Intelligibility Package - Model TEF04 instrument microphone, Serial port, OPTSTIcis tm CD, Rugged carrying case.
DSP30BP: - With Intelligibility/Privacy Package - Model TEF04 instrument microphone, Serial port, OPTSTIcis tm CD, Rugged carrying case.

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The system makes use of software-controlled filters allowing measurements over a wider dynamic range without interference from adjacent frequencies. The user is also able to change the character of the filters from standard ANSI CLASS III triple tuned filters to filters with sharper skirts (better than CLASS III). These sharper filters allow the user to measure over a larger dynamic range without interference from adjoining frequencies.

The following standard features are supplied:
DSP30: Model MK8A - 600 ohm omni-directional electret condenser instrument microphone.
DSP30A: Model MK160 - 600 ohm omni-directional electret condenser instrument microphone.
DSP30B: - With Intelligibility Package - Model TEF04 instrument microphone, Serial port, OPTSTIcis tm CD, Rugged carrying case.
DSP30BP: - With Intelligibility/Privacy Package - Model TEF04 instrument microphone, Serial port, OPTSTIcis tm CD, Rugged carrying case.
An 85dB window not limited by the display.
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.
Keypad selectable filters: ANSI triple tuned or sharper for notching applications.
Scales from 1/4dB to 5dB.
Multiple plot function.
Export file function.
Optional expansion features can be added anytime.
Available in Rack Mount (DSP30RM) and Computer Interface Only (DSPCIW) models.
All DSP series units can be interfaced with a computer using the RS232 port and available software.

Analyzer Signal Type - Audio
Tester Format - Other
Spec Sheet available - Yes

Microphone Input: DSP30/30B/30BP: 27dB to 125dB SPL
DSP30A: 65dB to 160dB
Line input: -88dBu to +14dBu (.031mV to 3.88V rms)
Measurement window: 85dB
Microphone: Balanced, XLR 3 pin receptacle
Line: Unbalanced 1/4" phone jack. 15k ohm impedance.
Printer Port: DB25F (optional)
RS232 port: DB25M (optional), Standard on DSP30B/BP
Center Frequencies: ISO 1/3 octave between 25Hz - 20kHz.
Center Frequency Accuracy: Typically ±1%.
Relative Flatness Channel to Channel: 1/4dB.
Displays:
Audio Spectrum, 30 channel, 10 LEDs per channel, all channels scalable in 1/4, 1/2, 1, 2, 3, 4, or 5dB SPL.
SPL & Reference readings 3 digit via 7 segment LED readout.
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
Function Control: 16 button keypad.
Case Material: High Impact ABS.
Depth: 63.50 mm
Height: 260.35 mm
Width: 254 mm
Product Weight: 0.91 kg
Regulatory Compliance: CE,FCC

Digital RTA 633 kb - Data Sheet

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