Our Bestseller ST 20 The screening audiometer with threshold measurement

Product catalog summary

Overview: The ST 20 series by MAICO Diagnostic GmbH is a versatile screening audiometer designed for threshold measurement. It offers air and bone conduction testing with automatic masking, and diagnostic functions including the SISI test.

Specifications:

Air Conduction: Frequency range from 250 Hz to 8 kHz, with intensity levels adjustable from -10 to 100 dBHL.
Bone Conduction (ST 20 BC): Dynamic range from -10 to 70 dBHL, with specific limits at certain frequencies.
Diagnostic Functions (ST 20 SISI): Includes SISI test for cochlear or retro cochlear impairment detection.
Test Signal: Pure or pulsed tone with 5 dB level steps.
Masking Signal: White noise with automatic sliding, adjusted for air and bone conduction.
Standards: Complies with IEC 601-1, IEC 645 part 1, class 4, and medical directive 93/42/EEC, class IIa.
Power Supply: Mains 230 V~, 50/60 Hz.
Dimensions and Weight: 29 x 22 x 6 cm, 1.9 kg.

Features:

Headphones: DD65 headphones with sound-excluding ear muffs for noisy environments.
PC Connection: ST 20 SISI PC model allows automatic transfer of test results to a connected PC via USB or RS-232.
Accessories: Includes headphone DD65, power supply cable, and audiogram paper.
Options: LCD display, patient response switch, and a lightweight carrying case.

Relevance: The ST 20 series is suitable for fast and easy screening audiometry, providing reliable results with its unique light point technology and error-free recording.

Catalog excerpts

Our Bestseller ST 20 The screening audiometer with threshold measurement-1

Our Bestseller ST 20 The screening audiometer with threshold measurement • • Air conduction from 250 Hz to 8 kHz with automatic masking • • Bone conduction with automatic masking (ST 20 BC) • • Diagnostic functions (ST 20 SISI) • • Frequency and intensity indicated by red light • • Headphone DD65 perfect accessory in noisy environments

Open the catalog to page 1

Our Bestseller ST 20 The screening audiometer with threshold measurement-2

ST 20 Audiometer series Screening audiometry for all purposes Fast and easy screening with ST 20 The basic ST 20 is easy and comfortable to operate. Its unique light point technology combines audiometry and error free recording in one step. The 8 test frequencies of the ST 20 from 250 Hz to 8 kHz can be changed with two buttons. The solid and sound isolated headphones deliver up to 100 dB hearing level. The intensity can be changed with the slide control in 5 dB steps down to -10 dB. The actual value of frequency / level is indicated by a red light which can be easily marked on the audiogram...

Open the catalog to page 2