Audio Meter For Human
Test pendengaran
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Specification :
- Meet or Exceeds : ANSI S3.6-1989, OSHA Requirements
- Test Frequencies : Accuracy better than 1%
- Automatic : 500, 2000, 3000, 4000, 6000, 8000 (validity check at 1000Hz)
- Semiautomatic & Manual : 250, 500, 750, 1000, 1500, 2000, 3000, 4000, 6000, 8000 (Hz)
- Total Harmonic Distortion : Less than 3%, typical 1%
- Hearing Level Range : 0 to 95 dB in 5 dB increments except at 250 and 8000Hz to 85dB
: Accuracy ± 1dB
- Data output : RS-232 9600 baud, 8 bits, no parity, DTR for Printer/computer ID
- Storage Capacity : Up to 260 Audiograms
- Print time : Typically less than 20 seconds
- Earphones : TDH-39, 10 ohn
- Display : 375 high, 2 line by 16 character, backlight LCD
- Power Supply : 220 VAC 50/60 Hz
- Case : "Impact Resistance ABS plastic 10"" (W) x 8"" (L) x 4.2"" (H)"
- Weight : 4.0 lbs