Audiogram form (1 pad of 50, 10 pads per case)
AM 232 Manual Audiometer Technical Specifications
Standards
The AM 232 meets ANSI S3.6 and IEC 645 Type 4 Audiometer Standards, and IEC 601-1, CSA C22.2 No. 601-1, and UL 544 electrical standards.
Frequency Range
Discrete Frequencies: 125, 250, 500, 750, 1000, 1500, 2000, 3000, 4000, 6000, 8000 Hz
Accuracy: ±3%
Total Harmonic Distortion: <2%
Intensity
Ranges:
125 Hz, -10 to 50 dB HL
500 to 6000 Hz, -10 to 90 dB HL
250 and 8000 Hz, -10 to 70 dB HL
(increments of 5 dB steps)
NOTE A “+10” dB switch extends maximum at all frequencies by 10 dB.
Accuracy: 125 to 4000 Hz, ±3 dB
6000 to 8000 Hz, ±5 dB
Signal to Noise Ratio: >70 dB
Tone Type
Rise/Fall Time: 20 to 50 msec
Continuous: Steady when present bar depressed
Pulse: 2.5 pulse/Sec
FM: 5 Hz, ±5%
Headset
Telephonics TDH39 Earphones with MX41AR Cushions (60 ohm impedance)
Power
Line Voltage: 100 to 120 V or 200 to 250 V (±10%)
Range: 50 to 60 Hz (±5%)
Consumption: 9 Watts
Battery
Types: Rechargeable (NiCad) or Non-Rechargeable (Alkaline)
Range: 7.0 V to 9.0 V
Capacity: NiCad—22 hours continuous operations, Alkaline—45 hours continuous operations
Mechanical
Dimensions: 13.25" W x 14" D x 3.75" H (33.66 cm x 35.56 cm x 9.53 cm)
Weight: 5.6 lb (2.53 kg) net 8 lb (3.64 kg) shipping 10 lb (4.55 kg) shipping with battery included
Additional Documentation
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