Velocity of Propagation

The velocity of propagation (also known as the Phase Velocity) test measures the speed of electrical signal transmission down a wire/cable. The velocity of signal propagation is typically represented as a fraction of the speed of light in a vacuum and is primarily impacted by the wire/cable dielectric. This test may also be used as […] Read more

Surface Resistance

The purpose of this test is to measure the resistance of the outer surface of the insulation in a high humidity environment. This is to ensure that the resistance along the outer surface is large enough to prevent leakage current between connections. The following parameters can be adjusted for the test: Conditioning duration Applied voltage […] Read more

Diameter

This listing includes the following tests: Cable Diameter Wire Diameter Finished Wire Diameter Conductor Diameter Pricing may vary based on specific test, sample, and test standard This test is typically used as a process control test to ensure that the measured diameter of a manufactured wire/cable is within the range provided in the wire/cable specification. […] Read more

Contrast Measurement

Also referred to as Contrast of Jacket or Contrast Test. The readability of a wire/cable is of critical importance for the proper installation, maintenance, and repair of the wiring system. That is the reason why UV laser marking of wires has become a widely used technology through the aerospace industry. It has several benefits over […] Read more

Notch Propagation

The notch test examines the propagation of a nick in the top layer of a wire. Small notches are common during installation or maintenance of wires, and this test evaluates how well the insulation can withstand mechanical stresses after incurring a notch. A pass condition for this test is if, after notching and wrapping, the […] Read more

Insulation Resistance

This test determines the insulation resistance of a finished wire sample. Insulation resistance is of interest in high impedance circuits and as an insulation process quality control test. When used as part of a wire/cable environmental testing, prolonged thermal exposure, and/or extended high voltage testing, changes in the insulation resistance can be used as an […] Read more

Flex Life – SAE Test Method

The flexibility of a wire/cable is dependent on a combination of the conductor and insulation constructions. Conductors with more strands are often better able to endure flexing without breaking. More rigid insulations can place addition strain and also crack during flex testing. The flexibility evaluates the wire/cable’s ability to withstand flexing on a tight mandrel. […] Read more

Flexure Endurance

The flexibility of a wire/cable is dependent on a combination of the conductor and insulation constructions. Conductors with more strands are often better able to endure flexing without breaking. More rigid insulations can place additional strain and also crack during flex testing. The flexure endurance test (or cyclic bending in the ISO standard) evaluates the […] Read more

Transfer Impedance

Protecting signal cables for external interference is critical to ensuring the reliability of transmitted signals and data. This test is among the most common means to evaluate if a cable’s shield can protect the contained circuits from EMI. But not all shielding is the same. The materials and construction play an important role in the […] Read more

Bondability of Insulation to Potting Compounds

Bonding compounds are often used as a means of protecting electrical terminations from the moisture and other contaminates. Furthermore, proper adhesion of potting compounds can have a positive impact on component durability to vibration and mechanical shocks. The bondability of insulation to potting compounds test evaluates the adhesion to the wire/cable insulation. In this test, […] Read more

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