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. 898-6766
Mfr. Part No.TA057
TWD11,930.00
Each
units
Active, Differential 1:20, 1:200 25MHz 1kV - - 2 CAT III ±1400 V, 1000 Vrms - CAT III ±1400 V, 1000 Vrms -
RS Stock No. 734-5029
Mfr. Part No.P5200A
BrandTektronix
TWD44,290.00
Each
units
Differential, High Voltage 1:50, 1:500 50MHz 1kV - P5200A - CAT II 1000V P52XXA CAT II 1000 V -
RS Stock No. 201-1886
Mfr. Part No.RT-ZI10C
TWD12,424.00
Each
units
Passive 10:1 500MHz - BNC RT-ZI10C - - - - - -
RS Stock No. 672-1706
Mfr. Part No.ZS1000
TWD47,493.00
Each
units
Active 1:10 1GHz - ProBus ZS1000 - - - ZS - -
RS Stock No. 898-6769
Mfr. Part No.TA058
TWD15,034.00
Each
units
Active, Differential 1:10 50MHz 600V - - 2 CAT I ±700 V, 600 Vrms - CAT I ±700 V, 600 Vrms -
RS Stock No. 179-9565
BrandRS PRO
TWD13,778.00
Each
units
Active 1:10, 1:100 25MHz 700V BNC - - CAT III - - - 14ns
RS Stock No. 136-8330
Mfr. Part No.HVFO103
TWD202,796.00
Each
units
High Voltage - 60MHz 35kV USB HVFO103 1 - - HVFO - 7.5ns
RS Stock No. 851-3100
Mfr. Part No.PP020-1
TWD11,422.00
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
New
RS Stock No. 201-7876
Mfr. Part No.P2056 Dual Pack
TWD5,774.00
Each (In a Pack of 2)
units
Passive 10:1 500MHz - BNC P2056 Dual Pack - - - - - -
RS Stock No. 661-3286
Mfr. Part No.TAP1500
BrandTektronix
TWD128,155.00
Each
units
Active 1:10 1.5GHz 10V - TAP1500 - - - TAP - 267ps
RS Stock No. 773-3570
Mfr. Part No.VPS510-R
BrandFluke
TWD8,493.00
Each
units
Passive 1:10 500MHz - BNC VPS510 1 CAT III 300V 190 II CAT III 300V 0.7ns
RS Stock No. 668-7151
Mfr. Part No.P6245
BrandTektronix
TWD123,179.00
Each
units
Active 1:10 1.5GHz - BNC P6245 - - - - - 250ps
RS Stock No. 512-5019
Mfr. Part No.MTX1032-B
BrandMetrix
TWD18,847.00
Each
units
Differential 1:1, 1:10, 1:100 30MHz - BNC MTX 1032-B 4 CAT I, CAT II, CAT III 600V - CAT I, CAT II, CAT III 600 V 11.7ns
RS Stock No. 878-7601
Mfr. Part No.HVD3106-6M
TWD77,602.00
Each
units
Differential, High Voltage 1:50, 1:500 80MHz 1kV ProBus HVD3106-6M 2 CAT III 1000V HVD CAT III 1000 V 4.4ns
RS Stock No. 715-8743
Mfr. Part No.TPP0201-PK10
BrandTektronix
TWD23,989.00
1 Pack of 10
Pack(s)
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. 733-6145
Mfr. Part No.N2791A
TWD26,042.00
Each
units
Differential 1:10, 1:100 25MHz 700V BNC N2791A - CAT II 1000V ac N CAT II 1000 V ac 14ns
RS Stock No. 136-5311
Mfr. Part No.PicoConnect 441
TWD1,310.00
Each
units
Differential 1:1 15MHz - D9 Connector PicoConnect 441 1 CAT III 1000V PicoConnect CAT III 1000 V -
RS Stock No. 146-6622
BrandRS PRO
TWD1,942.00
Each
units
Passive 1:100 300MHz 1.5V BNC - 1 CAT I 1500V - CAT I 1500 V 1.2ns
RS Stock No. 801-4877
Mfr. Part No.PP005A
TWD13,025.00
Each
units
Passive 1:10 500MHz 500V BNC PP005A 1 CAT I, CAT II 300 V, 600 V - CAT I 600 V, CAT II 300 V -
RS Stock No. 174-8867
Mfr. Part No.HVD3102A
TWD70,538.00
Each
units
Differential 1:100, 1:1000 25MHz 600V - - 1 CAT III - HVD3000A CAT III 1000 Vrms 14ns