INSULATION DEVICE for air conduction phone (insulation 3-4 db)
Catalog- Product code: 33621
- Units: 1 pc.
- Specifications:
• Frequencies: 500, 1000, 2000, 3000, 4000 Hz.
• Stimuli: Warble tone, NB and WN
• Intensities: Distance 50 cm:
- 20/30-80dB HL in 10dB steps, for Warble Tone and WN
- 10/20–70dB for NB
• Distance 16 cm: increases intensity by 10 dB.
• Weight: 360 g
• Dimensions: LxWxH: 25 x 7 x 5 cm
• Power supply: 3AA batteries (included)