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. 144-8208
Mfr. Part No.RT-ZP03
MYR457.82
Each
units
Passive 1:1, 1:10 >300MHz - BNC RT-ZP03 1 - - RT-Z - 1.15 ns, 35ns
RS Stock No. 179-9564
BrandRS PRO
MYR260.68
Each
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Passive 10:1 200MHz - BNC - 1 CAT II 400V RS-TP CAT II 400V <1.75ns
New
RS Stock No. 215-0976
Mfr. Part No.PR-55
MYR1,998.15
Each
units
Passive High Voltage X1000 50MHz 300V BNC PR-55 - - - - - -
New
RS Stock No. 215-0975
Mfr. Part No.PR500B
MYR654.24
Each
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Passive 1x/10x 500MHz 300V BNC PR500B - - - - - -
RS Stock No. 878-7604
Mfr. Part No.CP030A
MYR28,670.45
Each
units
AC/DC - 50MHz - - CP030A - CAT I 300V CP CAT I 300 V -
RS Stock No. 179-9559
BrandRS PRO
MYR213.06
Each
units
Passive 10:1 150MHz - BNC - 1 CAT II 400V RS-TP CAT II 400V <2.33ns
RS Stock No. 668-7167
Mfr. Part No.TDP1000
BrandTektronix
MYR30,016.31
Each
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Differential, High Voltage 1:5, 1:50 1GHz 30V - TDP1000 - - - TDP - 350ps
RS Stock No. 800-3004
Mfr. Part No.TPP0051
BrandTektronix
MYR175.92
Each
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Passive 1:10 50MHz - BNC TPP0051 1 CAT II 300V - CAT II 300V 7ns
RS Stock No. 801-4877
Mfr. Part No.PP005A
MYR2,016.78
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. 448-4351
Mfr. Part No.15120
BrandTestec
MYR2,729.43
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Active, Differential 1:100, 1:1000 100MHz 1kV BNC TT-SI 9110 - CAT III 1000 V ac, 1400V ac/dc SI CAT III 1000 V, CAT III 1400V 3.5ns
RS Stock No. 201-1873
Mfr. Part No.RT-ZHD07
MYR12,969.45
Each
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High Voltage 25:1, 250:1 200MHz - BNC RT-ZHD - - - - - -
RS Stock No. 174-8873
Mfr. Part No.HVD3605A
MYR24,418.55
Each
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Differential 1:200, 1:2000 100MHz 600V - - 1 CAT I, CAT III 1000 V, 1500 V dc, 6000 V, 8485V HVD3000A CAT I 6000 V, CAT I 8485 V, CAT III 1000 V, CAT III 1500V 4.3ns
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MYR5,212.60
Each
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Near Field Probe Set 10:1 3GHz - - HZ-17 - - - - - -
RS Stock No. 668-7161
Mfr. Part No.TDP1500
BrandTektronix
MYR31,278.68
Each
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Active, Differential 1:1, 1:10 1.5GHz 25V - TDP1500 - - - TDP - 265ps
RS Stock No. 136-5315
Mfr. Part No.TA300
MYR1,405.69
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Current - 100kHz - D9 Connector TA300 1 CAT III 300V TA300 CAT III 300 V -
RS Stock No. 878-7607
Mfr. Part No.CP031A
MYR37,828.63
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AC/DC - 100MHz - - CP031A - CAT I 300V CP CAT I 300 V -
RS Stock No. 136-8330
Mfr. Part No.HVFO103
MYR31,849.06
Each
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High Voltage - 60MHz 35kV USB HVFO103 1 - - HVFO - 7.5ns
RS Stock No. 734-5010
Mfr. Part No.TPP0850
BrandTektronix
MYR5,705.48
Each
units
High Voltage, Passive 1:50 800MHz 1kV - TPP0850 - CAT II 1000V ac 4000, 5000 CAT II 1000V 525ps
RS Stock No. 918-6857
Mfr. Part No.PP006C
MYR1,825.34
Each
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Passive 1:10 500MHz - - PP006C - CAT I, CAT II 300 V, 350 V, 1400V WaveJet Touch Cat I 1400 V, Cat I 350 V, Cat II 300V -
RS Stock No. 146-6623
BrandRS PRO
MYR246.10
Each
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Passive 1:100 300MHz ± 700V BNC - 1 CAT I 2500V - CAT I 2500V 1.2ns