Headset Tester Aviation headset tester helmet tester headset test set

Description

HT- 4  High and low impedance Aviation helmet and headset tester (with Bose/Lemo and Airbus XLR5 connectors).
The HT-4 is a  microprocessor-based  tester that can test HIGH and LOW impedance helicopter helmets and headsets with U-174/U plug, HIGH impedance fixed wing headsets with Bose/Lemo, XLR-5 or twin plug connectors and also test HIGH impedance wired or wireless ground support headsets.
The HT-4 can make SPL TESTS (sound pressure level tests) to check HIGH and LOW impedance microphone sensitivity.
The HT-4 provides panel power supply to the ANR/ANC system, and has an overcurrent protection circuit and an overcurrent sound alarm.
The HT-4 is electrically powered by its external ac adapter (90-240 VAC, 50/60 Hz).
Practically new: small scratches on the silver rings.
Private seller.
You only get what is shown in the main photo: The tester, the ac adapter and the case.
The headsets, the helmet, the multimeter and the black and red leads used to show how to do the ANR/ANC current test and the SPL test ARE NOT INCLUDED.
If you have any questions, please ask as many questions as you want; contact me before buying.