Pinger Tester
Also known as the black box, the pinger tester is an electronic flight data recorder that contains a small, portable, battery-operated tester for checking the battery condition and functionality of acoustic pingers.

Products
Duotech has a range of capabilities for optimizing the design, eliminating component end-of-life (EOL) issues, and increasing mean time between failure (MTBF) of primary LRU electronics and complementary electronics products with which they interface on the platform. Our specialized team of engineers has serviced thousands of general flight electronics hardware (HW) and software (SW) items across numerous aircraft for countries all over the world since 1982, adding significant value to overall platform architecture and positively impacting the total shoot-move-communicate operational chain.
Also known as the black box, the pinger tester is an electronic flight data recorder that contains a small, portable, battery-operated tester for checking the battery condition and functionality of acoustic pingers.
The Digital Unit G-Meter with a dual-dichroic display informs the pilot of acceleration experienced by the airframe as well as the range experienced during a flight.
The G-Meter Accelerometer has been military qualified through the following tests:
This device allows for airframe, power plant, and systems monitoring throughout an aircraft and is able to operate in tandem with the Digital G-Meter Accelerometer.
Reliable, low-cost replacement to the 538667-802 power supply module used in the ARC-164 radio as well as the GRC-206 system and is fully compatible in form, fit, and function.