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. 724-0933
Mfr. Part No.PP008-1
MYR2,568.07
Each
units
Passive 1:10 500MHz 400V BNC PP008-1 - CAT I, CAT II 300 V ac, 400V ac PP CAT I 400 V, CAT II 300V -
RS Stock No. 796-2683
Mfr. Part No.TCP303
BrandTektronix
MYR22,106.32
Each
units
AC/DC - 15MHz - - TCP303 - CAT I, CAT II, CAT III 300 V, 600 V TCP CAT I 600 V, CAT II 600 V, CAT III 300 V -
RS Stock No. 194-3333
Mfr. Part No.WS4KHD-MSO
MYR14,854.50
Each
units
Gripper - - - - - - - - - - -
RS Stock No. 134-6158
Mfr. Part No.N2140A
MYR421.29
Each
units
Passive 1:1, 1:10 200MHz - BNC 1000/3000 X-Series 1 CAT II 150 V, 300V InfiniiVision CAT II 150 V, CAT II 300V -
RS Stock No. 667-2608
Mfr. Part No.U1562A
MYR1,036.86
Each
units
Passive 1:100 300MHz - - U1562A - CAT III 600V - CAT III 600V -
RS Stock No. 702-3918
Mfr. Part No.N2876A
MYR2,164.60
Each
units
Passive 1:100 1.5GHz - BNC N2876A - CAT I 21V N2870A CAT I 21V -
RS Stock No. 136-5315
Mfr. Part No.TA300
MYR1,405.69
Each
units
Current - 100kHz - D9 Connector TA300 1 CAT III 300V TA300 CAT III 300 V -
RS Stock No. 851-3087
Mfr. Part No.HVP120
MYR3,052.73
Each
units
Passive 1:100 400MHz - BNC HVP120 - CAT I, CAT II 1000 V, 6000V HVP CAT I 6000 V, CAT II 1000V 900ps
RS Stock No. 224-1225
Mfr. Part No.SI-9002
BrandTestec
MYR1,864.54
Each
units
Active, Differential 1:20, 1:200 25MHz 1kV - TT-SI 9002 - CAT III 1000 V ac, 1400V ac/dc SI CAT III 1000 V, CAT III 1400V 14ns
RS Stock No. 201-1881
Mfr. Part No.RT-ZS60
MYR37,639.80
Each
units
Active 10:1 6GHz - BNC RT-ZS - - - - - -
RS Stock No. 136-8332
Mfr. Part No.CP030-3M
MYR24,956.82
Each
units
- - 10MHz 300V ProBus CP030-3M 1 CAT I 300V CP030 CAT I ≤35ns
RS Stock No. 672-1700
Mfr. Part No.PK400-1
MYR1,730.93
Each
units
Gripper - - - - PK400-1 - - - - - -
RS Stock No. 179-9557
BrandRS PRO
MYR783.23
Each
units
Passive 10:1 500MHz - BNC - 1 CAT II 400V RS-TP CAT II 400V <1ns
RS Stock No. 702-7910
Mfr. Part No.11060A
MYR216.49
Each
units
Surface Mount Device - - - - 11060A - - - - - -
RS Stock No. 702-3899
Mfr. Part No.N2871A
MYR1,366.63
Each
units
Passive 1:10 200MHz - BNC N2871A - CAT I, CAT II 300 V, 400V N2870A CAT I 400 V, CAT II 300V -
RS Stock No. 796-6718
Mfr. Part No.P6247
BrandTektronix
MYR36,258.02
Each
units
Differential 1:1, 1:10 1GHz 25V BNC P6247 1 - - - - 350ps
RS Stock No. 144-8209
Mfr. Part No.RT-ZP05
MYR1,412.44
Each
units
Passive 1:10 500MHz - BNC RT-ZP05 1 - - RT-Z - 0.7ns
RS Stock No. 740-6531
Mfr. Part No.P01120571
MYR2,423.24
Each
units
- - 1MHz - BNC MA200 - CAT III, CAT IV 600 V, 1000 V - CAT III 1000 V, CAT IV 600 V -
RS Stock No. 878-7617
Mfr. Part No.ZD1500
MYR41,794.02
Each
units
Active, Differential 1:1 1.7GHz 10V ProBus ZD1500 2 - - ZD - 270ps
RS Stock No. 146-6622
BrandRS PRO
MYR206.83
Each
units
Passive 1:100 300MHz 1.5V BNC - 1 CAT I 1500V - CAT I 1500V 1.2ns