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. 744-2518
Mfr. Part No.Fluke VPS40-III
BrandFluke
MYR820.25
Each
units
Passive 1:10 40MHz - - VPS40-III 3 CAT II, CAT III 600 V, 1000 V 120 CAT II 1000 V, CAT III 600 V -
RS Stock No. 512-5003
Mfr. Part No.MX9030-Z
BrandMetrix
MYR1,894.29
Each
units
Differential, Gripper 1:1, 1:20, 1:200 30MHz - - MX 9030-Z 5 CAT IV 600V - CAT IV 600 V 11.7ns
RS Stock No. 134-6157
Mfr. Part No.N2142A
MYR275.61
Each
units
Passive 1:1, 1:10 75MHz - BNC 1000/3000 X-Series 1 CAT II 150 Vrms, 300 Vrms InfiniiVision CAT II 150 Vrms, CAT II 300 Vrms -
RS Stock No. 830-3212
Mfr. Part No.WS3K-MSO
MYR11,054.15
Each
units
- - 500MHz 30V - WS3K-MSO - - - WaveSurfer 3000 Series - -
RS Stock No. 724-0915
Mfr. Part No.PK400-2
MYR1,954.70
Each
units
Gripper - - - - PK400-2 - - - - - -
RS Stock No. 174-8868
Mfr. Part No.HVD3106A-NOACC
MYR10,514.93
Each
units
Differential 1:50, 1:500 120MHz 1.5kV - - 1 CAT III - HVD3000A CAT III 1000 Vrms 2.9ns
RS Stock No. 672-1700
Mfr. Part No.PK400-1
MYR1,685.09
Each
units
Gripper - - - - PK400-1 - - - - - -
New
RS Stock No. 201-1869
Mfr. Part No.RT-ZD20
MYR24,695.13
Each
units
- 10:1 1.5GHz - BNC RT-ZD - - - - - -
RS Stock No. 179-9564
BrandRS PRO
MYR244.91
Each
units
Passive 10:1 200MHz - BNC - 1 CAT II 400 Vrms RS-TP CAT II 400Vrms <1.75ns
RS Stock No. 179-9559
BrandRS PRO
MYR200.20
Each
units
Passive 10:1 150MHz - BNC - 1 CAT II 400 Vrms RS-TP CAT II 400Vrms <2.33ns
RS Stock No. 878-7610
Mfr. Part No.ZS1500
MYR13,414.79
Each
units
Active 1:10 1.5GHz - ProBus ZS1500 2 - - ZS - -
RS Stock No. 146-6614
BrandRS PRO
MYR178.92
Each
units
Passive 1:1, 1:10 15 MHz, 150 MHz 600V BNC - 1 CAT I 600V RS-LF Series CAT I 600 V 2.3 ns, 24 ns
RS Stock No. 146-5604
Mfr. Part No.460-004
BrandDigilent
MYR85.03
Each
units
Passive 1:10 6MHz - BNC - 2 - - - - -
RS Stock No. 878-7613
Mfr. Part No.ZD500
MYR21,344.96
Each
units
Active, Differential 1:1 650MHz 18V ProBus ZD500 2 - - ZD - 650ps
RS Stock No. 851-3090
Mfr. Part No.PP019-1
MYR968.37
Each
units
Passive 1:10 250MHz - BNC PP019-1 - CAT I, CAT III 600 Vrms, 1500 V PP019 CAT I 1500 V, CAT III 600 Vrms 1.4ns
RS Stock No. 901-0974
Mfr. Part No.PK400-3
MYR2,968.618
Each (In a Pack of 10)
units
- - - - - - - - - - - -
RS Stock No. 137-2359
Mfr. Part No.VPS410-II-B
BrandFluke
MYR1,278.00
Each
units
Passive 1:10 500MHz - - VPS410-II-B - CAT III, CAT IV 600 V, 1000 V VPS410 CAT III 1000 V, CAT IV 600 V -
RS Stock No. 825-1212
Mfr. Part No.68.9433-28
BrandStaubli
MYR356.71
1 Set
Set(s)
Passive 1:10 500MHz - BNC 68.9433-28 1 CAT III 300V SET Isoprobe CAT III 300 V -
RS Stock No. 174-8877
Mfr. Part No.PP017-1
MYR1,053.24
Each
units
Passive 1:10 250MHz 1.5kV - - 1 CAT II - PP017 CAT II 300 Vrms 1.4ns
RS Stock No. 123-6479
BrandRS PRO
MYR4,865.78
Each
units
Differential, High Voltage 1:50, 1:500 70MHz 1.5kV - - 1 - - - - -