
Madsen AccuScreen OAE & ABR Screener User Manual
72
11.3.2
Ear coupler cable calibration
The MADSEN AccuScreen ear coupler cable is calibrated at the factory prior to delivery.
Calibration frequency
The ear coupler cable should be calibrated annually by authorized service personnel at an authorized workshop.
11.4
Cleaning AccuScreen
•
Before cleaning, switch off AccuScreen and unplug it from any external power source.
•
Unplug the cables from AccuScreen.
•
Use a tissue moistened with cleaning fluid to clean the surface of the device.
To maximize the housing lifetime, avoid the following chemicals:
•
Isopropyl, 70%
•
Ethanol, >40% concentration
•
Formaldehyde
•
Dichloro-meta-xylenol 5-10%
If disinfecting AccuScreen is considered necessary, some suitable alternatives are cleaning agents that contain:
•
Hydrogen peroxide, 3%, 30%
•
Peracetic acid 0.5-5%
•
Sodium hypochlorite 1-10%
•
Glutaraldehyde 2-5%
•
Ortho-phthalaldehyde (a.k.a. OPA) 0.5-2%
•
Chlorhexidingluconat 2-4%
Warning: You should ensure that moisture does not enter the probe, the sockets (data interface connector and probe
plugs), or the test cavity.
Warning: Never immerse AccuScreen into water or other cleaning solutions.
Note: Use of cleaning agents other than those recommended in the user manual can cause damage to the device (for example,
stress cracks in molded plastic).