Content - SafetyMeter Fit Testing System - Noise Attenuation Calculation - Hearing Protection Training
SafetyMeter
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Product
SafetyMeter fit testing system
SafetyMeter is Phonak’s proprietary hearing protection fit testing system. It is designed to ensure users of Phonak Serenity systems receive, and continue to receive, exactly the protection they require over time.
While every certified form of hearing protection includes a published attenuation (in-ear noise reduction) value - called SNR values in Europe, NRR in the U.S. - the amount of attenuation two users receive from their identical systems can in reality be different.
This depends on two factors: the protection (its shape, material and production quality); and its fit (i.e. how well its user inserts and positions their protection in the ear).
Phonak's SafetyMeter system controls and documents the actual attenuation a Serenity user receives. It verifies:
- Ear shell quality
Rejects inaccurately shaped shells due to poor quality ear impressions - Correct insertion
Detects incorrect insertion of shells in the ear (helping safety managers to offer effective hearing protection training) - Actual attenuation
Provides each user with a Personal Attenuation Rating, or PAR, for their specific system - Attenuation behavior
Ensures a user's protection remains effective.
- Ear shell quality
Benefits
SafetyMeter offers safety managers a range of benefits they can rely on.
Personal validation
Individually check, confirm and record the protection of every Phonak Serenity user
Confidence
Know that at-risk employees are in posession of hearing protection that performs well within the required parameters
Training
With SafetyMeter fit testing system every user can experience, ‘feel’ and understand the attenuation difference between correct and incorrect eShell use. This real-world form of hearing protection training can be invaluable
Cost savings
More accurate protection means fewer cases of hearing loss, leading to reduced compensation costs and fewer recordables
Improved compliance
With SafetyMeter it is easy to meet national hearing protection regulations and the recommendations of safety organizations.
Test Process
Fit testing made simple: 4 steps to success
1. Connect
The operator connects the SafetyMeter soundcard to a PC that contains Phonak’s proprietary software: one end is attached to the PC via USB, the other slots into the SafetyMeter headphones and probes. Finally the probes are connected to the employee’s individual ear shells (Phonak eShells).
2. Wear
The employee slots in their eShells as normal. Then they place SafetyMeter’s test headphones on top.
3. Run
The operator runs the SafetyMeter test. The system plays sounds through the headphones and uses miniature microphones to measure the residual sound inside the employee’s ear shells. By computing the difference between the sounds in the headphones and in the ear, the attenuation level of the shells is calculated.
4. Results
Test results are created, which the safety manager can view, save and print.
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