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D-0116493-B (OM015) ā PC850 Operating Manual
9. TECHNICAL SPECIFICATIONS
9.1. STANDARDS AND REGULATORY
Type of protection against electric shock: Powered via SELV ClassII mains adapter
Degree of protection against electric shock: Type B applied part
Degree of protection against ingress of water: Not protected
Mode of operation: Continuous operation
Equipment mobility: Portable
The Model PC850 Audiometer is classified as a Class IIa device under Annex IX of the EU Medical Devices
Directive. It is intended for use as a screening audiometer instrument.
Audiometer type: Type 4 (IEC 60645-1:2001)
Type 4 (ANSI S3.6:2004)
Types and reference levels: DD45: ISO 389-1, Table 2
Static headband force: Headphones: 4.5N
Sound attenuation characteristics: ISO8253-1, Table 3
9.2. INPUT/OUTPUT DATA
Outputs: Left & Right earphone
Frequency range: 250Hz-8kHz
Frequency accuracy: <1%
Distortion: <2%
Output level range: -10dBHL min; 100dBHL max (all frequencies)
Output level accuracy: Within 3dB
Output level step size: 5dB
Output transducer (AC): DD45 earphones (supplied)
Tone present: Single tone
Communication: Integral talk over facility
USB interface: Interface to PC (PC850 & Audibase software)
Power input: 2.5mm barrel-type socket.
Patient response input: 6.3mm Jack socket
Left & Right outputs: 6.3mm Jack socket
USB: Type B socket
Maximum voltage at any output: 12V peak
9.3. PHYSICAL DATA
Display: 2 lines of 24 characters
Mains power: 100-240Vac; 50-60Hz; 0.5A
Input Rating: 5Vdc; 1.2A
Dimensions: 270mm (W) x 175mm (D) x 68mm (H)
Weight: 0.7kg (approx)
Safety: IEC 60601-1 (plus UL, CSA & EN deviations)
EMC: IEC 60601-1-2
CE mark: To the EU Medical Device Directive
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