User Manual

Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E

System Hookups

• Verify the maximum load for any multiple portable socket-outlet (if used) does not

exceed 750 VA.

• Do NOT place any multiple portable socket-outlets (if used) on the floor.

• If multiple portable socket-outlets are used, DO NOT use the multiple socket-outlets

to power any equipment that isn't a part of the Welch Allyn OAE Hearing Screener.

(Adding other equipment may increase the current amount of leakage and exceed the

safety limit.)

• Do not interconnect multiple pieces of equipment without verifying that the sum of all

leakage currents does not exceed the safety limit.

• Do not connect any non-medical electrical equipment directly to a wall outlet if the

Welch Allyn OAE Hearing Screener is using a multiple, portable socket-outlet with a

separating iso-transformer. (The additional equipment may increase the current

amount of leakage and exceed the safety limit.)

• Do not connect equipment which can potentially provide electromagnetic or other

types of interference. This may cause the Welch Allyn OAE Hearing Screener

equipment to function incorrectly.

• Verify the equipment is connected to a power line source with the following frequency,

voltage and current capacity.

Frequency: 50 / 60 Hz

Voltage: 100 - 240 VAC

Current Capacity: 1.60 – 1.20A

WARNING!

Only use the Battery Charger Power Supply Models

Number 520-PS6VDC with the

Welch Allyn OAE Hearing Screener.