H364
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Portable engine test sets & trimmers Photo Courtsey of Department of Defense H364 Series Torque Calibrator Howell’s H364 Torque Calibrator provides a closed-loop system that dynamically tests the torque indicator on the H-53E Series helicopter. The H364 Torque Calibrator: • Enables users to input enginespecific phase angle table and torque shaft values into the unit software program for quick and easy operation on the flight line • Contains embedded software that allows simple 0% and 100% phase simulation • eatures an environmentally sealed F deck to prolong the life of the unit • omes in a ruggedized, deployable C MIL-STD-108 case with power cable storage in the lid • equires little training for the R person using or maintaining the equipment Howell Instruments, Inc. 8945 South Freeway Fort Worth, Texas 76140 www.howellinst.com 817-336-7411 Fax: 817-336-7874 info@how

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Portable engine test sets & trimmers Specifications Dimensions 15 inches H x 15 inches W x 15 inches D Power 115 VAC, 50 to 400 Hz W eight 20 lbs Outputs Two signals • reference frequency of 15 KHz A • 15 KHz frequency with the desired phase shift A as listed in AH153CE-220-200 W/P 009, Table 1. Each signal conforms to a waveform amplitude of 1.5 ± 0.1 V peak-to-peak at a frequency of 15 KHz to ±6 Hz. Both signals are isolated from ground and from each other. Accuracy +10 to +40 °C: ±0.25 degrees of display –40 to +10 °C and +40 to +55 °C: ±0.4 degrees of display Limits Operating Range –40...

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