The 8401B Tachometer Generator-Indicator Test Set meets all the requirements of MIL-T-26219A for the TTU-27/E test system and is completely self contained in a lightweight aluminum case, designed for portability. The Tachometer Tester requires only connection to a source of electrical power to place in operation. A variable speed drive pad is provided in accordance with AND 20005 to mount the generators to be tested. The speed of this drive pad may be varied from 0 to 5000 rpm by a panel mounted control knob. A precision speed reference monitors the speed of the unit under test and may be selected to indicate RPM X1, RPM X2, or PERCENT RPM. Internal load banks may be selected to load the generator under test, and, while under load, the phase to phase voltage may be selectively displayed on the panel mounted voltmeter. A 4 pole aircraft tachometer generator is mounted inside the Tachometer Tester and may be used to test tachometer indicators. A selector switch is used to select the speed indicator system and the output to indicators under test, to either the internal master generator or to the generator under test.
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Hydraulic Technology - Model 8401B - Tachometer Generator-Indicator Test Set
The 8401B Tachometer Generator-Indicator Test Set is engineered to meet the specifications of MIL-T-26219A for the TTU-27/E test system. Housed in a portable, lightweight aluminum case, this unit operates on 120-volt 50-400 Hz power, making it compatible with both standard and aircraft power supplies. It includes a variable speed drive pad compliant with AND 20005, allowing for generator testing within a range of 0 to 5000 rpm, controlled via a panel-mounted knob. The precision speed reference system can display RPM X1, RPM X2, or PERCENT RPM. Internal load banks can be activated to apply load on the generator under test, with phase to phase voltage displayed on a panel-mounted voltmeter under load conditions. The unit incorporates a 4-pole aircraft tachometer generator for testing tachometer indicators, selectable via a speed indicator system switch to either the internal generator or the generator under test. The device is completely self-contained and requires only an electrical power source for operation.Most popular related searches