Electronic Test and Measurement Topics

Topics beginning with "H"
H2

H is the lightest element.

H.248

Control protocol used in a network between a Media Gateway and a Media Gateway Controller.

H264

advanced video codec standard that delivers mix media streams over a broad range of bandwidths.

H.264

advanced video codec standard that delivers mix media streams over a broad range of bandwidths.

H2O

Liquid state of H2O.

H323

Protocols defining multimedia communication over any packet network.

H.323

Protocols defining multimedia communication over any packet network.

HA

Measure nonsinusoidal waveform's amplitudes, frequencies and phases.

Hall

a measurable transverse voltage which occurs when current flows through a conductor in a magnetic field.

Hall Effect

a measurable transverse voltage which occurs when current flows through a conductor in a magnetic field.

HALT

Processes a product through extreme temperature, vibration and product tailored stresses to expose design limits.

Handheld Oscilloscopes
Handheld Spectrum Analyzers

grippable devices that examine the spectrum of optical, acoustic, or electric waveforms.

Handlers

transfers DUT to test fixturing.

Handling Systems

transfers DUT to test fixturing.

Handset

Speaker and microphone part of phone held in hand.

Hard Drive

Store data on magnetic surface plattens.

Harmonic

Sinusoidal component of a perodic wave or for a sine wave, it is an integral multiple frequency of the wave.

Harmonic Analyzers

measure nonsinusoidal waveform's amplitudes, frequencies and phases.

Harness

A multi-routed assembly of connectors, wire and cables.

Harness Testers

test supra set of cables for continuity, insulation/ dielectric strength and capacitance.

HART

Highway Addressable Remote Transducer Protocol.

HASS

reliability stress testing.

HAST

high reliability testing using a destructive high temperature, humidity and pressure environment.

HD

1) High Definition 2) Harmonic Distortion

HDD

Store data on magnetic surface plattens.

HDL

Hardware Description Language

HDLC

High-Level Data Link Control

HDMI

High-Definition Multimedia Interface carries both uncompressed high-definition video and multi-channel audio in HD formats.

HD SDI

High Definition Serial Digital Interface

HD-SDI

High Definition Serial Digital Interface

HDSL

High bit-rate Digital Subscriber Line qui bi-directional digital transmission using telephone twisted pair at rates > 1.5Mbps.

HDTV

Digital broadcast television with higher resoultion than NTSC, SECAM and PAL.

HDTV Generators

Produce HDTV signal for device analysis.

HDTV Test
Headlamp

Light intensity and direction optimizing field of sight.

Headlight

Light intensity and direction optimizing field of sight.

Heads
Heel Grounder

Ground a person to prevent ESD damage. 2) Check on electrical shock resistance.

Heel Strap

Ground a person to prevent ESD damage. 2) Check on electrical shock resistance.

Helmholtz Coils

generate precise magnetic fields within and between it's coils.

HF

High Frequency operating at 3–30 MHz.

HF Antennas

High Frequency/ Short Wave Antennae.

H-field

another magnetic field as part of other s.

High Definition

1) High Definition 2) Harmonic Distortion

High Definition TV

Digital broadcast television with higher resoultion than NTSC, SECAM and PAL.

High Frequency

High Frequency operating at 3–30 MHz.

High Frequency Probes
Highly Accelerated Life Test

Processes a product through extreme temperature, vibration and product tailored stresses to expose design limits.

Highly Accelerated Stress Screening

stress testing product to filter infant mortality.

Highly Accelerated Stress Test

High reliability testing using a destructive high temperature, humidity and pressure enviroment.

High-Pass Filters

Refine signal, allowing the transmission of signal above a specific corner frequency, while strongly attenuating the frequencies below.

High-Power Amplifiers

Amplify the transmission of an RF, Audio or Optical signal.

High Power Burn-in
High Power Generators
High Speed DAQ
High Speed Data Acquisition
High Speed Data Recorders
High-Speed Digital I/O
High Speed Digitizers
High Speed Internet Test

Determines the amount of data transferred per second.

High Voltage Amplifiers
High Voltage Cable
High Voltage DC Power Supplies
High Voltage Detectors

Sense voltage >240 V.

High Voltage Meters
High Voltage Probes

handle voltages beyond general purpose passive probes and operate in the range >500 volts and <20,000 volts.

High Voltage Switching

route high voltage signals.

High Voltage Test
Hipot

tests AC, DC; dielectric strength, arc, insulation resistance and ground.

Hipot Testers

evaluate a dielectric's strength.

Holiday

a hole or discontinuity in a coating.

Holiday Detectors

find pinholes and voids in protective coatings on metal tubing.

Horn Antennas

radiates in a desired direction an open ended waveguide.

Hose

flexible conduit for moving gas or liquids.

Hot Box

Known functioning product as test bed.

Hotspot Finders

Locate wireless internet signal.

HP Fixtures

3070 interfaced fixturing.

HPIB

General Purpose Interface Bus

HSDPA

High Speed Downlink Packet Access

HSPA

High Speed Packet Access.

HSUPA

High-Speed Uplink Packet Access

HTTP

Hypertext Transfer Protocol

Humidity Chambers

Controlled analysis of a product exposed to humid conditions.

Humidity Meters

Measure humidity.

HVAC

Heating Ventilation Air Conditioning

HV Test
Hydrogen

H is the lightest element.

Hydrogen Frequency Standards

Microwave Amplification by Stimulated Emission of Radiation

Hydrogen Maser Frequency References

Microwave Amplification by Stimulated Emission of Radiation

Hydrogen Masers

Microwave Amplification by Stimulated Emission of Radiation is used as a frequency and time standard.

Hydrometers

measure's the temperature compensated specific gravity and electrolyte temperature.

Hydrophones

listen underwater.

Hygrometers

Measure humidity.

Hysteresisgraphs

measure hard magnetic materials and hysteresis loops.

Hysteresis Graphs

measure hard magnetic materials and hysteresis loops.