Model 1790 Tachometer Tester | 220 VAC, RPM Readout 2-35-W a long-admired member of the

a long-admired member of the aviation community

the J1 port passes DC voltage from a connected device to the antenna or another device up from the splitter

the control signal is removed and the AV-590 reverts back into receive mode

the J1 port will pass DC voltage from a connected device and pass this power to the antenna or other devices upline from the splitter

Vinyl ring terminals carry an insulated sleeve of color-coded PVC

Model 1790 Tachometer Tester | 220 VAC, RPM Readout 2-35-W a long-admired member of theThe Model 1790 Tachometer Tester is used for testing and calibration of electrical and mechanical tachometer generators and indicators. A high quality DC motor is coupled directly to a 1 4 inch square hole drive (AN Pad). This tachometer tester output can be converted to a wide variety of adapters and different tachometer interfaces. The motor drive control circuit uses SCR components and an open loop system for an economical solution to speed