| 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 |
| Standard Unit | 25 and 40 | +/- 3 dB HL |
Power On to Tone On Time |
< 0.5 Second | Typical |
Tone and Boost Delay Times |
Tone Always On | - |
Power Off Delay Time |
60 Seconds | Typical |
Pulsing On-Off Time |
200 mSecs | Typical |
Physical |
||
| Unit weight (inlcuding 9V battery) | 5.4 oz/154 g | Typical |
| Unit dimensions (inches) | 3" dia. by 2.7" tall | Typical |