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Model:
The Verifier
Key Features:
- Dedicated (STI-PA) Meter
- Easy Setup and Operation with Results in STI and CIS Formats
Description:
The Verifier is a special type of sound level meter which offers simplified methodology for measurement of Speech Transmission Index-Public Address (STI-PA), to ensure voice actuated fire alarms, mass communications and PA systems are clearly heard and understood in an emergency.
Verifier Key Features
- Easy user set-up and operation with results in Speech Transmission Index-PA (STI-PA) and Common Intelligibility Scale (CIS) formats.
- Digital readout displays numerical value and results of Bad, Poor, Fair, Good or Excellent
- Quick 15 second measurement intervals with post-processing from meter.
- Sample and store ambient noise during peak business hours to perform non-disruptive afterhours studies.
- Display table of modulation indices.
- Measures Speech Intelligibility in accordance with IEC 60268-16, NFPA 72 Annex E and DOD United Facilities Criteria UFC-4-021-01
Speech Intelligibility White Paper:
Click here for more details (pdf)
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Measurements
Available Measurements
STI-PA
CIS
SPL
Average Value
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Standards\Approvals
Standards\Approvals
IEC 60268-16 (2003)
NFPA 72 Annex E
DOD United Facilities Criteria UFC-4-021-01
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Datalogging
DataLogging
Yes
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Datalogging Intervals
15 Seconds
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Measurement Parameters
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