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. 733-6148
Mfr. Part No.N2796A
TWD91,978.00
Each
units
Active 1:10 2GHz - - N2796A - - - N - 175ps
RS Stock No. 878-7617
Mfr. Part No.ZD1500
TWD266,119.00
Each
units
Active, Differential 1:1 1.7GHz 10V ProBus ZD1500 2 - - ZD - 270ps
RS Stock No. 818-6802
Mfr. Part No.1146B
TWD27,718.00
Each
units
AC/DC - 100kHz - - 1146B - CAT II, CAT III 300 V, 600 V - CAT II 600 V, CAT III 300 V -
RS Stock No. 825-1196
Mfr. Part No.68.9554-28
BrandStaubli
TWD3,594.00
1 Set
Set(s)
Passive 1:10 250MHz - BNC 68.9554-28 1 CAT III, CAT IV 600 V, 1000V SET Isoprobe CAT III 1000 V, CAT IV 600V -
RS Stock No. 174-9601
Mfr. Part No.TA375
TWD835.00
Each
units
Passive 1:1, 1:10 100MHz - Hook Clip TA375 1 - - - - 35ns
New
RS Stock No. 201-7878
Mfr. Part No.P2036 Dual Pack
TWD4,856.00
Each (In a Pack of 2)
units
Passive 10:1 300MHz - BNC P2036 Dual Pack - - - - - -
RS Stock No. 879-3851
Mfr. Part No.DOX-MSO3LA
BrandMetrix
TWD25,519.00
Each
units
Logic - 20MHz - - DOX-MSO3LA 1 CAT I 300V DOX3000 CAT I 300V -
RS Stock No. 194-3333
Mfr. Part No.WS4KHD-MSO
TWD94,585.00
Each
units
Gripper - - - - - - - - - - -
RS Stock No. 174-8871
Mfr. Part No.HVD3206A
TWD100,797.00
Each
units
Differential 1:50, 1:500 120MHz 2kV - - 1 CAT I, CAT III 1000 V, 1500 V dc, 2000V HVD3000A CAT I 2000 V, CAT III 1000 V, CAT III 1500V 2.9ns
RS Stock No. 898-6788
Mfr. Part No.TA112
TWD31,329.00
Each
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Active 1:10 1GHz 33V BNC - 2 - 20V - - -
RS Stock No. 672-1700
Mfr. Part No.PK400-1
TWD11,022.00
Each
units
Gripper - - - - PK400-1 - - - - - -
RS Stock No. 146-6614
BrandRS PRO
TWD1,004.00
Each
units
Passive 1:1, 1:10 15 MHz, 150MHz 600V BNC - 1 CAT I 600V RS-LF Series CAT I 600V 2.3 ns, 24ns
RS Stock No. 189-4508
Mfr. Part No.P01120117
TWD10,020.00
Each
units
AC/DC Current - DC → 30kHz - Isolated Male BNC Plug PAC 17 - CAT III, CAT IV 300 V, 600V PAC CAT III 600V, CAT IV 300V -
RS Stock No. 512-5003
Mfr. Part No.MX9030-Z
BrandMetrix
TWD14,629.00
Each
units
Differential, Gripper 1:1, 1:20, 1:200 30MHz - - MX 9030-Z 5 CAT IV 600V - CAT IV 600V 11.7ns
RS Stock No. 922-5251
Mfr. Part No.PP022-2
TWD24,032.00
Each
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Passive 1:10 500MHz - BNC PP022 1 CAT I, CAT II 400 Vrms, 500 Vrms - CAT I 500 Vrms, CAT II 400 Vrms 700ps
RS Stock No. 174-8867
Mfr. Part No.HVD3102A
TWD70,538.00
Each
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Differential 1:100, 1:1000 25MHz 600V - - 1 CAT III - HVD3000A CAT III 1000V 14ns
RS Stock No. 201-1881
Mfr. Part No.RT-ZS60
TWD239,668.00
Each
units
Active 10:1 6GHz - BNC RT-ZS - - - - - -
RS Stock No. 801-4877
Mfr. Part No.PP005A
TWD13,953.00
Each
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Passive 1:10 500MHz 500V BNC PP005A 1 CAT I, CAT II 300 V, 600V - CAT I 600 V, CAT II 300V -
RS Stock No. 201-1885
Mfr. Part No.HZ-17
TWD33,666.00
Each
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Near Field Probe Set 10:1 3GHz - - HZ-17 - - - - - -
RS Stock No. 146-6615
BrandRS PRO
TWD1,486.00
Each
units
Passive 1:1, 1:10 15 MHz, 150MHz 600V BNC - 2 CAT I 600V - CAT I 600V 2.3 ns, 24ns