Product comparison - Diagnostic audiometers

 


240 260 270 270+
Compare user features
Portable
PC connectivity functionality (USB)
NOAH compatible
Thermal printer output
Internal memory
Air conduction functionality
Bone conduction functionality
Masking (AC + BC)
Masking Assistant -
Speech audiometry (live) -
Speech audiometry (recorded) -
Sound field output -
Binaural speech -
Threshold retention function
Automatic test (AC) - -
Talk forward
Talk back -
Monitor function -
Optional insert earphones
Battery power function / total portability - - -
Carry case supplied
Patient response switch supplied
Mains power adaptor supplied
Compare technical features
Frequency range (AC) 125-8KHz 125-8KHz 125-8KHz 125-8KHz
Frequency range (BC) 250-8KHz 250-8KHz 250-8KHz 250-8KHz
Attenuation range (AC) -10 to 120 max -10 to 120 max -10 to 120 max -10 to 120 max
Attenuation range (BC) -10 to 70 max -10 to 70 max -10 to 70 max -10 to 70 max
Output level range (soundfield) Up to 90dB Up to 90dB Up to 90dB
Insert masking output 90dBHL max 250-4KHz 90dBHL max 250-4KHz 90dBHL max 250-4KHz 90dBHL max 250-4KHz
Attenuation step size (dBHL) 5 5 5/2.5/1 5/2/1
Pure tone signal
Warble tone signal
Continous signal -
Pulsed signal
Stenger test -
ABLB test -
SISI test - -
Tone Decay test - -
HLS Test - -
MHA Test -  
Dimensions (mm) 270 x 165 x 60 270 x 165 x 60 355 x 230 x 100 259 x 374 x 90
Weight 735 g 830 g 1540 g 1400 g
External PSU
Optional battery power - - -