MAICO MA 27, MA 25, MA 1 Product information

MA 27, MA 25 & MA 1

Air Conduction Audiometer Series

MA 27

Carefully Engineered for Accuracy

State-of-the-art audiometric circuitry ensures accurate, fast test results. Switch between tone, pulse or warble by simply pressing a button. Large, fingertip control knobs provide access to a full range of frequencies and hearing levels.

•All-in-one sturdy case with built-in handle and storage

•Continuous, pulse, warble tones

•Easy fingertip operation of frequency and hearing level controls

Easy to Transport

The rigid, yet lightweight case with built-in handle and storage compartment not only protects the audiometer, but also allows you to pick-up-and-go in a hurry. Ample storage holds headphones and other accessories.

TECHNICAL DATA
Frequency Accuracy	+/- 1% maximum
Rise/Fall Time	35 msec
Distortion	0.5% typical, 2.5 % maximum
Crosstalk	-100 db HL minimum
On/Off Ratio	Greater than 80 dB
Frequency Modulation	+/-5% frequency modulating rate at 5 Hz
Frequency Range	125 Hz to 8000 Hz
Hearing Level Range	-10 to 100 dBHL in 1 and 5 dB steps
Dimensions	10 in x 6 in x 14.5 in
Weight	5.28 lbs (with all accessories)
Power Supply	External, 5 VDC, MA 100-240 VAC
Stimulus	Continuous, pulse, warble
STANDARD ACCESSORIES	OPTIONAL ACCESSORIES
DD45 Headset, with RE-7 Headset	Audiocup Headset
Audiogram Pad	Patch Cord
Operators Manual	MA 27e
AC Adapter	Patient Response Switch

APPLICABLE CPT CODE (S):

92551: Screening, pure tone 92552: Threshold, air