Comparison |
| Contents |
Headset, Carrying Case, Audiogram Forms, Threshold Audiometry Card, Power Plug | Headset, TDH 39 Earphones, Patient Response Audiogram Pad and Carrying Bag | TDH-39 Headset, 60 ohm, Carrying Case, Batteries, AC Adapter, Operator’s Manual | | Digital Pilot Hearing Test Audiometer Radioear DD45, Monitor Phone,User Manual Two score pads (one English, one Spanish), Two large picture boards (one English, one Spanish), Two small picture boards (one English, one Spanish) |
| Country of Origin |
Denmark | United States | Unknown | United States | Poland |
| Dimensions |
| | 1.3 X 3.6 X 5.8 Inch | | 2.56 X 10.24 X 12.01 Inch |
| Frequency Range |
| 250, 500, 1000, 2000, 3000, 4000, 6000, 8000 Hz Better than ± 3%, | 250, 500, 1K, 2K, 3K, 4K, 6K, 8K Hz | | 50 dB HL to 15 dB LB HL; 5 dB intensity steps |
| Power Source |
AC Line Power and AA 1.5 V Battery | Plug-in 110 or 220 volt | 4 AA Alkaline Battery, AC Adapter | | 100 - 240 V~, 50/60 Hz, app. 15 VA |
| Type |
| | Pure Tone Air Conduction | | Pilot Test |
| Application |
Audiometer | Audiometer | Audiometer | Audiometer | Audiometer |
| UNSPSC Code |
42182401 | 42182401 | 42182401 | 42182401 | 42182401 |
| Features and Benefits |
- Case included
- 11 frequencies: 125 Hz to 8000 Hz
- Calibration storage for standard earphones and optional insert phones
- AC line power and battery
- Wide intensity range
|
- Meets or exceeds ANSI S3.6 1989, (ASA 81-1989) ISO 389-1985, C.H.D.P, O.S.H.A, E.P.S.D.T. ,F.A.A., Police, Divers, requirements
- Hearing Threshold Range: 0 to 90dB in 5dB steps Accuracy better than ± 2 dB
- Harmonic Distortion - less than 3%
- Tone present indicator
- Tone switch
- Total Weight less than 4.5 Ibs.
|
- Backlit 128 x 64 graphic LCD display
- -10 dB to 80 dB HTL Intensity range
- User selectable, 5 db increments step size
- Pulsed or continuous presentation mode
- +/- 1% Frequency accuracy
- +/- 1 dB Level accuracy
- < 0.5% Distortion
- 9.8 oz. Weight
- Ultra portable
- Large, easy to read LCD screen
- Talkover feature for communicating with test subject
- Battery or AC Powered
- 5 Year limited warranty
|
|
- For children of school age, the device provides a manual pure tone audiometer with eleven frequencies
- This full function air conduction audiometer can be used for screening measurements
- With manual screening, you can choose the speed at which you present the tones
|
