8/8
Speech audiometry: maximum levels (dB HL) (*)
(*) The levels indicated are for a device connected to the a.c. mains power
supply. Using a USB power source, maximum levels will be 10 dB lower.
Available tests
Calibration
Validity: 12 months
TDH 39: EN ISO 389-1; ER-3A and ER-5A: EN ISO 389-2; B71: EN ISO
389-3
Power supply
Consumption: 8 Watts; Power supply: 6V, 1.67A cont., through an external
medical grade 100-240 Vac 50/60 Hz power supply.
Mechanics
Size (WxDxH): 16 x 16 x 3 cm / 6.3 x 6.3 x 1.2 in
Weight: 300g / 10.6 oz
Applicable standards
Electrical safety: EN 60601-1, Class II type BF
EMC: EN 60601-1-2
MDD (93/42/EEC) classification
Class IIa