The hearing instrument testbox unit features a large test chamber to provide excellent acoustics for hearing instrument tests and hearing instrument configuration before your customer arrives.
Accurately pre-set and test hearing instruments with the large hearing instrument testbox unit. Its stylish design makes it a professional eye-catcher for your office environment.
Available tests are:
- OSPL 90 (up to 5 curves) - Battery current
- Full on Gain - Induction coil test
- Frequency response - Input/Output
- Harmonic distortion - AGC Dynamic
- Equivalent Input noise - Long Term Test (monitor output signal and batt. consumption over several hours)
| Unity 3 HIT | |||
| Item | Description | ||
| Standards supported | IEC 60118-7; IEC 60118-15, ANSI S3.22 | ||
| Number of curves per type | 5 | ||
| Signal types | Pure tone, warble tone, narrowband noise, white noise, speech-weighted noise, pink noise, sound líbrary | ||
| Frequency range | 200 - 16,000 Hz | ||
| Signal levels | 40 to 90 dB SPL | ||
| Tolerance | +/- 4 dB | ||
| Pure tone accuracy | Within 0.2 % | ||
| Distortion | Less than 1 % | ||
| Operation mode | Single side | ||
| Measurement types | OSPL 90, FOG, freq-range, THD, Equiv, Input Noise, battery consumption, induction coil, AGC, Longterm testing for output and battery consumption, Free style test | ||
| Measurement views | Output-SPL, Gain-dB, VO | ||
| Diagram type | Single, top-mode | ||
| Resolution | 6, 12, 24 pins per octave | ||
| Level Steps | 5 dB | ||
| Diagram overlays | Cursor lines with read out (level, frequency, diff) | ||