Features:

• Easy-to-use tester for Pre-and Post-flight, as well as fault-diagnosis of Gentex helmet communication during service
• Provides a very quick feedback and diagnosis of the comm system, and capability to track intermittent errors
• Electrical circuit test as well as audio test of earphones and microphones
• Visual indication of actual impedance of mic and earphones
• Measures and tests both low and high impedance earphones and microphones, dynamic as well as electret amplified etc.
• Visual display and audio feature
• Possible to preset acceptable impedance values for mic and earphones based on used helmet configuration, with Good or Error indication
• Adapter kit to test CEP available
• Carry pouch included, various adapter kits for various comm plugs available
• Intended for indoor workshop use, battery driven (AA)

pdf/helmet-tester-xabh-9000-users-guide
pdf/helmet-tester-xabh-9000-pds