Electronic Test and Measurement
The Electronic Test and Measurement category brings together the instruments that are essential for characterising, validating and maintaining electronic systems. Oscilloscopes, multimeters, generators, analysers and power supplies form the backbone of any reliable test chain. This equipment measures fundamental quantities - voltage, current, frequency, impedance - with an accuracy of a thousandth. In R&D, they ensure the correlation between simulation and reality, guaranteeing the functional consistency of boards and modules. In production, they check the conformity and repeatability of final tests. In maintenance, they facilitate troubleshooting and periodic verification of tolerances. LAN, USB, GPIB or SCPI interfaces can be integrated to automate and trace measurements. ISO 17025 and IEC 61010 standards govern metrology and safety of use. Present in laboratories, design offices, production workshops and educational establishments, this instrumentation forms the basis of any rigorous and traceable control approach.
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MSOS804A
KEYSIGHT
MSOS804A oscilloscope with 4 analogue and 16 digital channels, ideal for complex signals.
16089D
KEYSIGHT / AGILENT / HP
Pinces de test crocodile pour pont RLC, fréquence de 5Hz à 100KHz.
54650A
KEYSIGHT / AGILENT / HP
Module d’interface GPIB pour oscilloscopes de la série 54600.
N2862A
KEYSIGHT / AGILENT / HP
Passive 10:1 probe, 150 MHz, 1.2 m for accurate measurements.
E2697A
KEYSIGHT / AGILENT / HP
Adaptateur haute impédance pour oscilloscopes Agilent Infiniium.
10074C
KEYSIGHT / AGILENT / HP
Passive 150 MHz probe with retractable tip for hands-free measurements.
DSOS404A
KEYSIGHT / AGILENT / HP
Oscilloscope numérique 4 voies, 4 GHz, 10 Gs/s, 16-Bits de résolution.
P6139B
TEKTRONIX
Sonde Passive DC à 500MHz, 10x +/-5%, compensation de la capacité d’entrée.
practical questions about Electronic Test and Measurement
01
Why is an electronic test chain more critical than each individual instrument?Because errors often occur at the interface between instruments: poorly matched impedances, poorly managed common grounds, poorly synchronised triggers. A coherent chain (oscilloscope, generator, power supply, cabling) guarantees an interpretable measurement, whereas instruments that are nevertheless accurate can produce inconsistent results if they are poorly integrated.
02
In electronics, what is the most common error in a measurement?The load introduced by the instrument itself. Poorly compensated probes, insufficient input impedance or unsuitable bandwidth can modify the behaviour of the circuit being measured. In electronics, measurement always means disturbance: the challenge is to control this disturbance.
03
Why is the useful bandwidth greater than the displayed resolution?Because excellent resolution on a truncated signal is worthless. Insufficient bandwidth masks fast edges, parasites and transient oscillations. To analyse real behaviour, it's better to have adequate bandwidth than a very fine but incomplete display.
04
When should measurements be automated rather than tested manually?As soon as repeatability, comparison over time or volume become critical. Automation via SCPI or LAN reduces human bias, makes test campaigns more reliable and provides traceability that can be used in production, qualification or during audits.
05
Is refurbished electronic test equipment compatible with demanding uses?Yes, because measurement electronics are based on proven platforms that are stable over time. A reconditioned instrument, checked and documented, offers performance that is suitable for R&D, maintenance and teaching, while facilitating access to professional references without lengthening lead times.
