Parameter | Value | Tolerance |
---|---|---|
Frequencies
|
||
Accurate Crystal Controlled | 500 Hz | +/- 0.2% |
Accurate Crystal Controlled | 1000 Hz | +/- 0.2% |
Accurate Crystal Controlled | 2000 Hz | +/- 0.2% |
Accurate Crystal Controlled | 4000 Hz | +/- 0.2% |
Tone Risetime |
~120 milliseconds | Typical |
Distortion |
||
Total Harmonic Distortion | <1.0% | Typical |
2nd and 3rd harmonics | <0.5% | Typical |
4th and higher harmonics | <0.5% | Typical |
Intensity db HL |
||
Pediatric Unit | 20 and 40 | +/- 3 dB HL |
Power On to Tone On Time |
1 Second | Typical |
Tone and Boost Delay Times |
1 Second | Typical |
Power Off Delay Time |
4 Seconds | Typical |
Physical |
||
Unit weight (inlcuding 9V battery) | 6 oz/170 g | Typical |
Unit dimensions (inches) | 3" dia. by 2.7" tall | Typical |