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Category: Sentinel Power

The CPT1000 is a reliable, high performance power system tester. The integrity of main terminals, cables, and power supplies is crucial in power systems. This tool effectively tests and finds faults in power supplies and cabling. The handheld device provides signal monitoring, cable testing, and stimulus-and-response testing. The tester comes with two 37-pin connectors for different types of power supplies and cable testing. Ridgetop offers optional connector adapters to meet customers’ needs.


  • Application:Power Systems
  • Sensor: SMRT Probe/RingDown
  • Data Type: Frequency
  • Reasoner: ARULE
  • GUI: Sentinel Dashboard


Designed with both ease of use and high performance in mind, the CPT1000 can be set up, perform testing, and provide results in less than five minutes.
The CPT1000 has four test modes that can be selected as needed:

  • System test
  • Multifunctional Information Distribution System (MIDS) cable test
  • Host power test
  • Remote power supply (RPS) test

In addition to measuring numerous DC voltages, the CPT1000 measures 440 Hz three-phase 110 VAC power and analyzes the phase angles and voltages of each phase. The tester is also capable of identifying discontinuities and shorts in the MIDS cable set.


  • Power converters and inverters
  • Power supplies
  • Shielded cables
  • Cable connectors


Features & Benefits

  • Identifies inter-module faults
  • Resolves avionics diagnostic ambiguities in situ
  • Isolates faults effectively
  • Tests AC and DC power supplies
  • Tests wire connections
  • Allows fast and easy pass/fail operation-level testing


CPT1000 specifications include

DC output check: 12 VDC, 28 VDC, 350 VDC
Discrete output check: Yes

L = 7.5 in. (19.05 cm)
W = 6 in. (15.24 cm)
H = 1.5 in. (3.81 cm)

Cable set check: Short circuits/discontinuities
Control response check: On/Off
Aircraft power check

frequency, and

Battery type: iMH 12 V (rechargeable)

The CPT1000 control panel consists of five buttons and a two-line liquid crystal display (LCD). The tests are performed by simply pressing the button for the required test. There are three red buttons used for executing tests. The green button is the on/off button, and the orange button is a clear/return button that is used to clear status messages or return to the main menu. The CPT1000 uses a rechargeable battery for portability, and comes with the recharging power cord.To perform the tests, test-specific adapter cables are used to interface with the MIDS cable set and the tester during system testing and cable testing. Ridgetop offers optional connection adapters to interface with specific avionic power systems.
The CPT1000 technology has been used by the U.S.Navy for testing power systems of military avionics such as those of the F/A-18.


Adaptive Remaining Useful Life Reasoner for Prognostics and Health Management (PHM) Applications
ARULE Product Brief
Ridgetop’s Adaptive Remaining Useful Life Estimator (ARULE) is a powerful reasoner to determine the remaining useful life (RUL) and state of health (SoH) of complex systems. Working from acquired sensor data, ARULE employs an advanced prediction method related to extended Kalman filtering (EKF) to produce new RUL and SoH estimates for each new sensor data point.
ARULE is versatile and can be used for determining electronic and mechanical fatigue damage. The reasoner calculates fault-to-failure progression (FFP) signatures, accurate RUL (time-to-failure) estimates, and SoH estimates, which provide an early warning indicator for system maintenance personnel to schedule service to the system prior to catastrophic failure.

ARULE relies on diagnostic sensor data and a predefined model to produce an RUL estimate. It requires a sensor to "sense" data that are above a predefined "good-as-new" floor and below a "failed" ceiling. A new RUL estimate is produced based on changes to the model space; additionally, the new RUL estimate is used to produce a new SoH estimate.


  • Power systems
  • Battery management systems
  • Actuator control systems
  • Cable connection integrity