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. 734-5029
Mfr. Part No.P5200A
BrandTektronix
MYR6,977.85
Each
units
Differential, High Voltage 1:50, 1:500 50MHz 1kV - P5200A - CAT II 1000V P52XXA CAT II 1000V -
RS Stock No. 512-6078
Mfr. Part No.TT-SI 9010
BrandTestec
MYR4,578.36
Each
units
Active, Differential 1:100, 1:1000 70MHz 5kV BNC TT-SI 9010 - CAT I, CAT II 2500 V ac, 7000V ac/dc SI CAT I 2500 V, CAT II 7000V 5ns
RS Stock No. 898-6766
Mfr. Part No.TA057
MYR1,689.51
Each
units
Active, Differential 1:20, 1:200 25MHz 1kV - - 2 CAT III ±1400V, 1000 V - CAT III ±1400V, 1000 V -
RS Stock No. 714-0035
Mfr. Part No.10074D
MYR1,146.35
Each
units
Passive 1:10 150MHz - BNC 10074D - CAT I, CAT II 400 V, 500V - CAT I 500 V, CAT II 400V 2.33ns
RS Stock No. 898-6826
Mfr. Part No.TA150
MYR831.46
Each
units
Passive 1:10 350MHz - BNC - 1 CAT II - - - 1ns
RS Stock No. 898-6750
Mfr. Part No.TA044
MYR3,822.25
Each
units
Active, Differential 1:100, 1:1000 70MHz 5kV - - 2 CAT I 2500 V, 7000V ac/dc - CAT I 7000V, 2500 V 5ns
RS Stock No. 733-6154
Mfr. Part No.N2893A
MYR21,633.80
Each
units
AC/DC - DC to 100 MHz - - N2893A - CAT I 300V - CAT I 300 V -
RS Stock No. 796-6702
Mfr. Part No.P6015A
BrandTektronix
MYR15,890.71
Each
units
High Voltage 1:1000 75MHz 20kV - P6015A 1 - - - - 4ns
RS Stock No. 898-6801
Mfr. Part No.TA189
MYR1,908.15
Each
units
- - - - - - - - - - - -
RS Stock No. 919-5087
Mfr. Part No.VPS41
BrandFluke
MYR969.00
Each
units
Passive 1:10 40MHz - - - - - - - - -
RS Stock No. 726-0035
Mfr. Part No.TPP0100
BrandTektronix
MYR357.67
Each
units
Passive 1:10 100MHz 300V BNC TPP0100 - CAT II 300V TPP CAT II 300V -
RS Stock No. 702-3902
Mfr. Part No.N2873A
MYR2,567.20
Each
units
Passive 1:10 500MHz - BNC N2873A - CAT I, CAT II 300 V, 400V N2870A CAT I 400 V, CAT II 300V -
RS Stock No. 898-6741
Mfr. Part No.TA043
MYR3,218.95
Each
units
Active, Differential 1:10, 1:100 100MHz 700V - - 2 CAT III 500 V, 700V ac/dc - CAT III 700V, 500 V 3.5ns
RS Stock No. 705-1904
Mfr. Part No.CP 35
MYR2,174.64
Each
units
- - 100MHz - BNC CP- 35 - CAT III 300V - CAT III 300 V -
RS Stock No. 825-1206
Mfr. Part No.68.9557-28
BrandStaubli
MYR460.08
1 Set
Set(s)
Passive 1:10 300MHz - BNC 68.9557-28 1 CAT III, CAT IV 600 V, 1000V SET Isoprobe CAT III 1000 V, CAT IV 600V -
RS Stock No. 898-6747
Mfr. Part No.TA042
MYR2,582.68
Each
units
Active, Differential 1:100, 1:1000 100MHz 1kV - - 2 CAT III 1000 V, 1400V ac/dc - CAT III 1400V, 1000 V 3.5ns
RS Stock No. 801-4868
Mfr. Part No.AP031
MYR3,745.10
Each
units
Differential 1:10, 1:100 25MHz 700V BNC AP031 - CAT III 1000V - CAT III 1000V 14ns
RS Stock No. 512-6438
Mfr. Part No.TT-SI 9101
BrandTestec
MYR4,037.92
Each
units
Active, Differential 1:10, 1:100 100MHz 1kV BNC TT-SI 9101 - CAT III 1000V ac SI CAT III 1000V 3.5ns
RS Stock No. 575-585
Mfr. Part No.P2221
BrandTektronix
MYR867.85
Each
units
Passive 1:1, 1:10 200MHz - - P2221 - CAT II 150 V, 300V - CAT II 15 V, CAT II 300V -
RS Stock No. 661-3286
Mfr. Part No.TAP1500
BrandTektronix
MYR21,881.05
Each
units
Active 1:10 1.5GHz 10V - TAP1500 - - - TAP - 267ps