Ch.3 Test Instruments
A(n) ___ is a meter that measures the current in a circuit by measuring the strength of the magnetic field around a single conductor.
clamp-on ammeter
A ___ tester is a test instrument that tests for a complete path for current to flow.
continuity
A(n) ___ display helps eliminate human error when taking readings by displaying exact values measured.
digital
A(n) ___ is a special DC voltmeter that detects the presence or absence of a signal.
digital logic probe
A(n) ___ is a meter that can measure two or more electrical properties and displays the measured properties as numerical values.
digital multimeter
In most cases, diodes are tested with a(n) ___.
digital multimeter
All power tools should be grounded unless they are an approved ___ design.
double-insulated
Sharp-edged and pointed tools should be carried with the cutting edge or point ___ and away from the body.
down
A(n) ___ is a device used to measure ground connection resistance of electrical installations such as power plants, industrial plants, high-tension towers, and lightning arrestors.
ground resistance tester
Power tools should be inspected and serviced by a qualified repair person at regular intervals as specified by the ___ or by OSHA.
manufacturer
A(n) ___ is a device that detects insulation deterioration by measuring high resistance values under high test voltage conditions.
megohmmeter
A(n) ___ is a test instrument that is used to measure fiber optic attenuation.
optical time domain reflectometer
A(n) ___ is a test instrument that provides a visual display of voltages.
oscilloscope
A ___ tester is a device that is plugged into a standard receptacle to determine if the receptacle is properly wired and energized.
receptacle
The 5S organization system is a workplace organizational system that stands for sort, straighten, sweep or shine, standardize, and ___.
sustain
A ___ tester is a device that indicates approximate voltage level and type (AC or DC) by the movement and vibration of a pointer on a scale.
voltage
Always check for the presence of ___ before taking any measurements.
voltage
___ voltages are produced by the magnetic fields generated by current-carrying conductors, fluorescent lighting, and operating electrical equipment.
Ghost
A(n) ___ is a meter that can measure two or more electrical properties and displays the measured properties along calibrated scales using a pointer.
analog multimeter
A ___ is a two-piece test instrument that includes a transmitter that is plugged into a receptacle and a receiver that provides an audible indication when located near the circuit to which the transmitter is connected.
branch circuit identifier
