Oscilloscope Probes

An oscilloscope is considered to be the most used instrument for electrical engineers who need to measure electrical characteristics of electronic devices but you also need at least one probe.
Things to consider when choosing probes
• Ensure the probe's input connector matches the connector on your scope
• Choose a probe whose input resistance and capacitance match the input resistance and capacitance of your scope - matching is critical for guaranteeing proper signal transfer and signal accuracy
The best approach, for matching a probe with a scope, is to first choose a probe whose capacitance is within the range of your scope and then fine-tune the probe's capacitance by adjusting its compensation network using the probe's trimmer capacitor.
The 1X probes are suitable for many low frequency applications. They typically offer the same input impedance of the oscilloscope which is normally 1 M Ohm. The most common type of probe with a built in attenuator gives an attenuation of ten, and it is known as a 10X oscilloscope probe
Types of probes
Passive probes are the most commonly used probes for taking measurements. They are easy to use, relatively inexpensive, and fairly rugged. Available in the following configurations:
• 1´: no attenuation
• 10´: factor-of-10 attenuation
• 100´: factor-of-100 attenuation
• 1000´: factor-of-1000 attenuation
Attenuation probes serve to multiply the voltage measurement range of the oscilloscope by using an internal resistor that, when used in conjunction with the input resistance of the scope, creates a voltage divider. Useful for the following reasons:
• It allows for the measurement of a signal that might exceed the limits of the oscilloscope.
• The attenuation circuitry results in higher resistance and lower capacitance, which is important for high-frequency measurements.
Active probes contain active components, such as FETs or amplifiers. Commonly used for taking high-speed measurements (>500 MHz) or on high-impedance circuits. One limitation is their limited voltage range.
Differential probes are popular for measuring high-frequency signals or signals of very low amplitude.
A current probe measures the electrical current flowing through a conductor.
Tips
• Always use an appropriate probe tip and/or probe tip adapter whenever possible
• Keep ground leads short

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Description Price Probe Type Attenuation Bandwidth Maximum Common Mode Input Voltage Connector Type Model Number p Number of Probes Safety Category Level Safety Category Voltage Calibrated Series Safety Category Rise Time Minimum Bandwidth
RS Stock No. 185-2140
Mfr. Part No.N2843A
£176.00
Each
Units
Passive 10:1 500MHz - - N2843A 1 CAT II - - - CAT II 300V 700ps -
RS Stock No. 189-4510
Mfr. Part No.P01120127
£257.18
Each
Units
AC/DC Current - DC → 30kHz - Isolated Male BNC Plug PAC 27 - CAT III, CAT IV 300 V, 600V - PAC CAT III 600V, CAT IV 300V - -
RS Stock No. 201-1828
Mfr. Part No.PicoScope 6000E MSO pod
£499.00
Each
Units
- - 500MHz - - TA369 - - - - PicoScope 6000E - - -
RS Stock No. 201-1875
Mfr. Part No.RT-ZHD16
£1,926.00
Each
Units
High Voltage 50:1, 500:1 200MHz - BNC RT-ZHD - - - - - - - -
RS Stock No. 136-8332
Mfr. Part No.CP030-3M
£3,770.00
Each
Units
- - 10MHz 300V ProBus CP030-3M 1 CAT I 300V - CP030 CAT I ≤35ns -
RS Stock No. 134-6157
Mfr. Part No.N2142A
£49.02
Each
Units
Passive 1:1, 1:10 75MHz - BNC 1000/3000 X-Series 1 CAT II 150 V, 300V - InfiniiVision CAT II 150 V, CAT II 300V - -
RS Stock No. 201-1885
Mfr. Part No.HZ-17
£756.00
Each
Units
Near Field Probe Set 10:1 3GHz - - HZ-17 - - - - - - - -
New
RS Stock No. 215-0978
Mfr. Part No.PR-60
£412.10
Each
Units
Differential 0.48611111111 25MHz 300V BNC PR-60 - - - - - - - -
RS Stock No. 137-2361
Mfr. Part No.VPS410-II-V
BrandFluke
£196.86
Each
Units
Passive 1:10 500MHz - - VPS410-II-V - CAT III, CAT IV 600 V, 1000V - VPS410 CAT III 1000 V, CAT IV 600V - -
RS Stock No. 189-4669
Mfr. Part No.P01120117
£245.85
Each
Units
AC/DC - - - - PAC 17 - CAT III, CAT IV 300 V, 600 V RSCAL PAC CAT III 600V, CAT IV 300V - -
RS Stock No. 201-7876
Mfr. Part No.P2056 Dual Pack
£134.50
Each (In a Pack of 2)
Units
Passive 10:1 500MHz - BNC P2056 Dual Pack - - - - - - - -
RS Stock No. 136-5316
Mfr. Part No.TA301
£139.00
Each
Units
Current - 20kHz - D9 Connector TA301 1 CAT II 150V - TA300 CAT II 150 V - -
RS Stock No. 201-1871
Mfr. Part No.RT-ZD40
£6,147.00
Each
Units
Differential 10:1 4.5GHz - BNC RT-ZD - - - - - - - -
RS Stock No. 177-1275
Mfr. Part No.T3PP300
£81.60
Each
Units
Passive 1:1, 1:10 300MHz - - - - - - - T3DSO - - -
New
RS Stock No. 215-0976
Mfr. Part No.PR-55
£335.82
Each
Units
Passive High Voltage x1000 50MHz 300V BNC PR-55 - - - - - - - -
RS Stock No. 201-1870
Mfr. Part No.RT-ZD30
£5,382.00
Each
Units
Differential 10:1 3GHz - BNC RT-ZD - - - - - - - -
New
RS Stock No. 215-0975
Mfr. Part No.PR500B
£109.96
Each
Units
Passive 1x/10x 500MHz 300V BNC PR500B - - - - - - - -
RS Stock No. 201-1869
Mfr. Part No.RT-ZD20
£4,347.00
Each
Units
Differential 10:1 1.5GHz - BNC RT-ZD - - - - - - - -
RS Stock No. 201-1882
Mfr. Part No.RT-ZZ80
£1,800.00
Each
Units
Passive 10:1 8GHz - BNC, SMA adapter RT-ZZ80 - - - - - - - -
New
RS Stock No. 215-0974
Mfr. Part No.PR250SA
£184.26
Each
Units
Passive 1x/10x 250MHz 300V BNC PR250SA - - - - - - - -