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A test probe, test prod, scope probe or test lead is a physical device used to connect electronic test equipment to a device under test or DUT. They range from very simple, rugged devices to complex probes that are sophisticated, expensive, and fragile. A current probe generates a voltage proportional to a current in the circuit being measured; as the proportionality constant is known, instruments that respond to voltage can be calibrated to indicate current. Current probes can be used both by measuring instruments and oscilloscopes. To measure or display the modulating waveform of a modulated high-frequency signal, for example: an amplitude-modulated radio signal-a probe fitted with a simple diode de-modulator can be used. The probe will output the modulating waveform without the high-frequency carrier.

In-circuit test or ICT is an example of white box testing where an electrical probe tests a populated printed circuit board "PCB", checking for shorts, opens, resistance, capacitance, and other basic quantities which will show whether the assembly was correctly fabricated. It may be performed with a bed of nails type test fixture and specialist test equipment, or with a fixture-less in-circuit test setup.

A function generator is usually a piece of electronic test equipment or software used to generate different types of electrical wave forms over a wide range of frequencies. Some of the most common wave forms produced by the function generator are the sine, square, triangular and saw-tooth shapes. These wave forms can be either repetitive or single-shot which requires an internal or external trigger source. Integrated circuits used to generate wave forms may also be described as function generator ICs. Although function generators cover both audio and RF frequencies, they are usually not suitable for applications that need low distortion or stable frequency signals. When those traits are required, other signal generators would be more appropriate. Some function generators can be phase-locked to an external signal source which may be a frequency reference or another function generator. Function generators are used in the development, test and repair of electronic equipment. For example, they may be used as a signal source to test amplifiers or to introduce an error signal into a control loop.

18 AWG

18 AWG Gauge Stranded Hook Up Wire Kit 25 ft Each 00403 Dia UL1007 300 Volts

18 AWG Gauge Stranded Hook Up Wire Kit 25 ft Each 00403 Dia UL1007 300 Volts

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20 AWG

20 AWG Gauge Stranded Hook Up Wire Kit 25 ft Each 00320 Dia UL1007 300 Volts

20 AWG Gauge Stranded Hook Up Wire Kit 25 ft Each 00320 Dia UL1007 300 Volts

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WT105 3204

WT105 3204 Stainless Steel Annealed Safety Locking Wire 32 Dia 1 4lb Spool

WT105 3204 Stainless Steel Annealed Safety Locking Wire 32 Dia 1 4lb Spool

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GPD GM8HS

GPD GM8HS 5mm dia Germanium Photo Detector Sensor

GPD GM8HS 5mm dia Germanium Photo Detector Sensor

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20 AWG

20 AWG Gauge Solid Hook Up Wire Kit 25 ft Each 00320 Dia UL1007 300 Volts

20 AWG Gauge Solid Hook Up Wire Kit 25 ft Each 00320 Dia UL1007 300 Volts

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18 AWG

18 AWG Gauge Solid Hook Up Wire Kit 25 ft Each 00403 Dia UL1007 300 Volts

18 AWG Gauge Solid Hook Up Wire Kit 25 ft Each 00403 Dia UL1007 300 Volts

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100 Pcs

100 Pcs PG7 Black Nylon Waterproof Cable Gland 3 65mm Dia w Lock Nut

100 Pcs PG7 Black Nylon Waterproof Cable Gland 3 65mm Dia w Lock Nut

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NVENT ERICO

NVENT ERICO Copper Bonded Steel Ground RodDia 5 8 In8 Ft L 615880

NVENT ERICO Copper Bonded Steel Ground RodDia 5 8 In8 Ft L 615880

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0156 Dia

0156 Dia Female Butt Splice for Bullet Terminals pack of 50

0156 Dia Female Butt Splice for Bullet Terminals pack of 50

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Miller 188853

Miller 188853 Varistor 33V 150 Joule 945 Dia Disc Pc Mtg

Miller 188853 Varistor 33V 150 Joule 945 Dia Disc Pc Mtg

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3 4

3 4 Dia Black Heavy Duty Adhesive Lined Shrink Tubing 4 ft piece

3 4 Dia Black Heavy Duty Adhesive Lined Shrink Tubing 4 ft piece

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4 Dia

4 Dia Strobe Lights 1 per pack

4 Dia Strobe Lights 1 per pack

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16 AWG

16 AWG Gauge Stranded Hook Up Wire Kit 25 ft Each 00508 Dia UL1007 300 Volts

16 AWG Gauge Stranded Hook Up Wire Kit 25 ft Each 00508 Dia UL1007 300 Volts

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WIREMOLD 895

WIREMOLD 895 Series 5 1 2 Dia Duplex Cover Plate Brass for Floor Box Fitting

WIREMOLD 895 Series 5 1 2 Dia Duplex Cover Plate Brass for Floor Box Fitting

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Optical Filter

Optical Filter Hot Mirror 720DCSP 30mm dia X1mm 90+ Visible trans Hot Mirror

Optical Filter Hot Mirror 720DCSP 30mm dia X1mm 90+ Visible trans Hot Mirror

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44MY231875 3

44MY231875 3 04N GRAYHILL ROTARY SWITCH LENTH 3 1 2 DIA 11 115V 28V NOS

44MY231875 3 04N GRAYHILL ROTARY SWITCH LENTH 3 1 2 DIA 11 115V 28V NOS

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Strobe Light

Strobe Light LED Amber Round 5 1 2 Dia

Strobe Light LED Amber Round 5 1 2 Dia

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Madison Electric

Madison Electric 2 in Dia PVC Service Entrance For NM 1 pk

Madison Electric 2 in Dia PVC Service Entrance For NM 1 pk

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Fiber Cable

Fiber Cable Strip  Ring Tool 12 75mm dia cables Jonard Tools CSR 1575

Fiber Cable Strip Ring Tool 12 75mm dia cables Jonard Tools CSR 1575

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Campbell Chain

Campbell Chain Passing Link Chain 50ft L x 3 16in Dia No 2 0 Silver Carbon Steel

Campbell Chain Passing Link Chain 50ft L x 3 16in Dia No 2 0 Silver Carbon Steel

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1 4

1 4 Dia Black Shrink Tubing 100 ft spool

1 4 Dia Black Shrink Tubing 100 ft spool

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ROXTEC EZENTRY

ROXTEC EZENTRY EzEntry 4 4 mini Cable Pipe Seal013 to 065 in dia

ROXTEC EZENTRY EzEntry 4 4 mini Cable Pipe Seal013 to 065 in dia

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246 052

246 052 666 Century Rotary Selector Switch 2 Dia 15 Amp 10 Position 246052666

246 052 666 Century Rotary Selector Switch 2 Dia 15 Amp 10 Position 246052666

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