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 Accessory Type
RS Stock No. 146-6615
BrandRS PRO
MYR229.00
Each
units
Passive 1:1, 1:10 15 MHz, 150 MHz 600V BNC - 2 CAT I 600V - CAT I 600 V 2.3 ns, 24 ns -
RS Stock No. 123-6479
BrandRS PRO
MYR4,665.96
Each
units
Differential, High Voltage 1:50, 1:500 70MHz 1.5kV - - 1 - - - - - -
RS Stock No. 146-6617
BrandRS PRO
MYR318.24
Each
units
Passive 1:1, 1:10 20 MHz, 250 MHz 600V BNC - 2 CAT I 600V - CAT I 600 V 1.4 ns, 18 ns -
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. 146-6624
BrandRS PRO
MYR20.14
Each
units
Passive - - - - - - - - - - - -
RS Stock No. 179-9565
BrandRS PRO
MYR2,635.53
Each
units
Active 1:10, 1:100 25MHz 700V BNC - - CAT III - - - 14ns -
RS Stock No. 146-6621
BrandRS PRO
MYR4,070.42
Each
units
Active 1:10 1.2GHz 40V BNC - 1 - - - - 291ps -
RS Stock No. 898-6744
Mfr. Part No.TA041
MYR1,828.55
Each
units
Active, Differential 1:10, 1:100 25MHz 700V - - 2 CAT III 700 Vrms, ±700 V - 700 Vrms, CAT III ±700 V - -
RS Stock No. 715-8743
Mfr. Part No.TPP0201-PK10
BrandTektronix
MYR2,916.41
1 Pack of 10
Pack(s)
Passive 1:10 200MHz 300V BNC TPP0201 - CAT I, CAT II 300 V ac, 300 V, 400 V ac TPP CAT I 400 V ac, CAT II 300 V, CAT II 300 V ac 2.3ns -
RS Stock No. 811-1246
Mfr. Part No.VPS420-V
BrandFluke
MYR1,629.60
Each
units
Passive 1:100 150MHz 300V - VPS420 - CAT III, CAT IV 600 V, 1000 V VPS420 CAT III 1000 V, CAT III 2000 V, CAT IV 1200 V, CAT IV 600 V - -
RS Stock No. 726-0038
Mfr. Part No.TPP0200
BrandTektronix
MYR353.25
Each
units
Passive 1:10 200MHz 300V BNC TPP0200 - CAT II 300V TPP CAT II 300 V - -
RS Stock No. 811-1252
Mfr. Part No.VPS420-G
BrandFluke
MYR1,629.60
Each
units
Passive 1:100 150MHz 1kV - VPS420 - CAT III, CAT IV 600 V, 1000 V VPS420 CAT III 1000 V, CAT III 2000 V, CAT IV 1200 V, CAT IV 600 V - -
RS Stock No. 481-0823
Mfr. Part No.P2220
BrandTektronix
MYR784.30
Each
units
Passive 1:1, 1:10 200MHz - - P2220 - CAT II 150 V, 300 V TPS2000 CAT II 15 V, CAT II 300 V - -
RS Stock No. 224-1219
Mfr. Part No.15101
BrandTestec
MYR1,480.43
Each
units
Active, Differential 1:10, 1:100 25MHz 700V BNC TT-SI 9001 - CAT III 1000 V ac, 1400 V ac/dc SI CAT III 1000 V ac, CAT III 1400 V 14ns -
RS Stock No. 714-0039
Mfr. Part No.10073D
MYR1,950.38
Each
units
Passive 1:10 500MHz - BNC 10073D - CAT II 400V - CAT II 400 V 700ps -
RS Stock No. 209-7860
Mfr. Part No.P6243
BrandTektronix
MYR13,223.35
Each
units
Active 1:10 1GHz - BNC P6243 - - - - - 350ps -
RS Stock No. 726-0041
Mfr. Part No.TPP0201
BrandTektronix
MYR362.06
Each
units
Passive 1:10 200MHz 300V BNC TPP0201 - CAT I, CAT II 300 V ac, 300 V, 400 V ac TPP CAT I 400 V ac, CAT II 300 V, CAT II 300 V ac 2.3ns -
RS Stock No. 725-6604
Mfr. Part No.P6139B
BrandTektronix
MYR2,937.23
Each
units
Passive 1:10 500MHz - BNC P6139B - CAT II 300V - CAT II 300 V - -
RS Stock No. 781-0801
Mfr. Part No.TCP312A
BrandTektronix
MYR12,087.74
Each
units
Current - 100MHz - BNC TCP312A 1 CAT II 150 V, 300 V TCP300 CAT II 150 V, CAT II 300 V 3.5ns -
RS Stock No. 734-5013
Mfr. Part No.P5100A
BrandTektronix
MYR2,819.01
Each
units
Passive 1:100 500MHz 1kV - P5100A - CAT II 1000V ac 5000 CAT II 1000 V ac 700ps -
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