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. 796-6702
Mfr. Part No.P6015A
BrandTektronix
R 47,119.02
Each
units
High Voltage 1:1000 75MHz 20kV - P6015A 1 - - - - 4ns
RS stock no. 726-0041
Mfr. Part No.TPP0201
BrandTektronix
R 1,142.73
Each
units
Passive 1:10 200MHz 300V BNC TPP0201 - CAT I, CAT II 300 V, 300 V ac, 400 V ac TPP CAT I 400 V ac, CAT II 300 V, CAT II 300 V ac 2.3ns
RS stock no. 715-8733
Mfr. Part No.TPP0101
BrandTektronix
R 934.47
Each
units
Passive, Voltage 1:10 100MHz 300V BNC TPP0101 - CAT I, CAT II 300 V, 300 V ac, 400 V ac TPP CAT I 400 V ac, CAT II 300 V, CAT II 300 V ac 3.5ns
RS stock no. 734-5035
Mfr. Part No.P5210A
BrandTektronix
R 56,875.20
Each
units
Differential, Gripper, High Voltage 1:100, 1:1000 50MHz 5.6kV - P5210A - CAT I, CAT III 1000 V, 2300 V P52XXA CAT I 2300 V, CAT III 1000 V -
RS stock no. 752-7357
Mfr. Part No.THDP0200
BrandTektronix
R 35,888.96
Each
units
Differential, High Voltage 1:50, 1:500 200MHz 1.5kV BNC THDP0200 - CAT II, CAT III 600 V, 1000 V THD CAT II 1000 V, CAT III 600 V 1.8ps
RS stock no. 661-3295
Mfr. Part No.P6316
BrandTektronix
R 10,679.89
Each
units
Logic, Passive - - - - P6316 - - - - - -
RS stock no. 781-0813
Mfr. Part No.P6021A
BrandTektronix
R 32,474.30
Each
units
Current - 60MHz - BNC P6021A 1 - - - - -
RS stock no. 781-0801
Mfr. Part No.TCP312A
BrandTektronix
R 37,775.14
Each
units
Current - 100MHz - BNC TCP312A 1 CAT II 150 V, 300 V TCP300 CAT II 150 V, CAT II 300 V 3.5ns
RS stock no. 734-5013
Mfr. Part No.P5100A
BrandTektronix
R 9,348.60
Each
units
Passive 1:100 500MHz 1kV - P5100A - CAT II 1000V ac 5000 CAT II 1000 V ac 700ps
RS stock no. 481-0823
Mfr. Part No.P2220
BrandTektronix
R 2,452.61
Each
units
Passive 1:1, 1:10 200MHz - - P2220 - CAT II 150 V, 300 V TPS2000 CAT II 15 V, CAT II 300 V -
RS stock no. 725-6604
Mfr. Part No.P6139B
BrandTektronix
R 8,895.42
Each
units
Passive 1:10 500MHz - BNC P6139B - CAT II 300V - CAT II 300 V -
RS stock no. 781-0810
Mfr. Part No.TCP305A
BrandTektronix
R 32,469.64
Each
units
Current - 50MHz - BNC TCP305A 1 CAT II 150 V, 300 V TCP300 CAT II 150 V, CAT II 300 V 7ns
RS stock no. 728-6753
Mfr. Part No.P6616
BrandTektronix
R 20,323.80
Each
units
Logic, Passive - - - - P6616 - - - - - -
RS stock no. 712-1141
Mfr. Part No.P5122
BrandTektronix
R 7,171.03
Each
units
High Voltage, Passive 1:100 200MHz - - P5122 - CAT II 600 V ac, 1000 V ac TPS2000 CAT II 1000 V ac, CAT II 600 V ac 2.2ns
RS stock no. 781-0807
Mfr. Part No.TCP0030A
BrandTektronix
R 73,984.63
Each
units
Current - 120MHz - BNC TCP0030A 1 CAT II 150 V, 300 V TCP CAT II 150 V, CAT II 300 V 2.92ns
RS stock no. 800-3004
Mfr. Part No.TPP0051
BrandTektronix
R 498.87
Each
units
Passive 1:10 50MHz - BNC TPP0051 1 CAT II 300V - CAT II 300 V 7ns
RS stock no. 752-7353
Mfr. Part No.THDP0100
BrandTektronix
R 61,914.29
Each
units
Differential, High Voltage 1:100, 1:1000 100MHz 6kV BNC THDP0100 - CAT I, CAT III 1000 V, 2300 V THD CAT I 2300 V, CAT III 1000 V 3.5ps
RS stock no. 661-3292
Mfr. Part No.TDP0500
BrandTektronix
R 68,333.40
Each
units
Differential, High Voltage 1:5, 1:50 500MHz 30V - TDP0500 - - - TDP - 700ps
RS stock no. 209-7860
Mfr. Part No.P6243
BrandTektronix
R 36,923.96
Each
units
Active 1:10 1GHz - BNC P6243 - - - - - 350ps
RS stock no. 728-6759
Mfr. Part No.TPP1000
BrandTektronix
R 18,412.06
Each
units
Passive 1:10 1GHz 300V - TPP1000 - CAT II 300V 4000, 5000 CAT II 300 V -