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 Series Safety Category Rise Time
RS Stock No. 898-6753
Mfr. Part No.TA045
MYR4,836.06
Each
units
Active, Differential 1:10 200MHz 60V - - 2 CAT I ±60V - CAT I ±60V -
RS Stock No. 898-6741
Mfr. Part No.TA043
MYR3,003.74
Each
units
Active, Differential 1:10, 1:100 100MHz 700V - - 2 CAT III 500 Vrms, 700 V ac/dc - 500 Vrms, CAT III 700 V ac/dc 3.5ns
RS Stock No. 575-585
Mfr. Part No.P2221
BrandTektronix
MYR713.15
Each
units
Passive 1:1, 1:10 200MHz - - P2221 - CAT II 150 V, 300 V - CAT II 15 V, CAT II 300 V -
RS Stock No. 825-1206
Mfr. Part No.68.9557-28
MYR472.91
1 Set
Set(s)
Passive 1:10 300MHz - BNC 68.9557-28 1 CAT III, CAT IV 600 V, 1000 V SET Isoprobe CAT III 1000 V, CAT IV 600 V -
RS Stock No. 733-6135
Mfr. Part No.N2890A
MYR814.60
Each
units
Passive 1:10 500MHz - BNC N2890A - CAT II 300V N28XXA/B CAT II 300 V 700ps
RS Stock No. 811-1259
Mfr. Part No.VPS420-B
BrandFluke
MYR1,629.60
Each
units
Passive 1:100 150MHz 1kV - VPS420 - CAT III, CAT IV 600 V, 1000 V VPS420 CAT III 1000 V, CAT III 2000 V, CAT IV 1200 V, CAT IV 600 V -
RS Stock No. 801-4868
Mfr. Part No.AP031
BrandLeCroy
MYR3,022.31
Each
units
Differential 1:10, 1:100 25MHz 700V BNC AP031 - CAT III 1000V - CAT III 1000 V 14ns
RS Stock No. 702-3902
Mfr. Part No.N2873A
MYR2,207.99
Each
units
Passive 1:10 500MHz - BNC N2873A - CAT I, CAT II 300 V, 400 V N2870A CAT I 400 V, CAT II 300 V -
RS Stock No. 919-5087
Mfr. Part No.VPS41
BrandFluke
MYR979.65
Each
units
Passive 1:10 - - - - - - - - - -
RS Stock No. 797-3390
Mfr. Part No.TPP0500B
BrandTektronix
MYR3,174.45
Each
units
Passive 1:10 500MHz 300V Hook Clip TPP0500B 1 CAT II 300V TPP0 CAT II 300 V -
RS Stock No. 661-3292
Mfr. Part No.TDP0500
BrandTektronix
MYR20,743.31
Each
units
Differential, High Voltage 1:5, 1:50 500MHz 30V - TDP0500 - - - TDP - 700ps
RS Stock No. 146-5604
Mfr. Part No.460-004
BrandDigilent
MYR109.57
Each
units
Passive 1:10 6MHz - BNC - 2 - - - - -
RS Stock No. 702-3899
Mfr. Part No.N2871A
MYR1,511.68
Each
units
Passive 1:10 200MHz - BNC N2871A - CAT I, CAT II 300 V, 400 V N2870A CAT I 400 V, CAT II 300 V -
RS Stock No. 415-465
Mfr. Part No.VPS212-G
BrandFluke
MYR1,308.30
Each
units
Passive 1:10 200MHz - - VPS212 5 CAT II, CAT III 30 V, 600 V, 1000 V ScopeMeter 190 CAT II 1000 V, CAT II 3 V, CAT III 600 V -
RS Stock No. 661-3295
Mfr. Part No.P6316
BrandTektronix
MYR3,461.88
Each
units
Logic, Passive - - - - P6316 - - - - - -
RS Stock No. 830-3212
Mfr. Part No.WS3K-MSO
BrandLeCroy
MYR9,822.49
Each
units
- - 500MHz 30V - WS3K-MSO - - - WaveSurfer 3000 Series - -
RS Stock No. 901-0974
Mfr. Part No.PK400-3
BrandLeCroy
MYR312.448
Each (In a Pack of 10)
units
- - - - - - - - - - - -
RS Stock No. 851-3100
Mfr. Part No.PP020-1
BrandLeCroy
MYR1,511.15
Each
units
Passive 1:10 500MHz - BNC PP020-1 - CAT I, CAT III 600 Vrms, 1500 V PP020 CAT I 1500 V, CAT III 600 Vrms 0.7ns
RS Stock No. 898-6788
Mfr. Part No.TA112
MYR4,443.44
Each
units
Active 1:10 1GHz 33V BNC - 2 - 20V - - -
RS Stock No. 174-8877
Mfr. Part No.PP017-1
BrandLeCroy
MYR890.51
Each
units
Passive 1:10 250MHz 1.5kV - - 1 CAT II - PP017 CAT II 300 Vrms 1.4ns
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