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. 725-6604
Mfr. Part No.P6139B
BrandTektronix
SGD802.00
Each
units
Passive 1:10 500MHz - BNC P6139B - CAT II 300V - CAT II 300 V -
RS Stock No. 481-0823
Mfr. Part No.P2220
BrandTektronix
SGD242.31
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. 898-6750
Mfr. Part No.TA044
SGD1,143.81
Each
units
Active, Differential 1:100, 1:1000 70MHz 5kV - - 2 CAT I 2500 Vrms, 7000 V ac/dc - CAT I 7000 V ac/dc, 2500 Vrms 5ns
RS Stock No. 752-7357
Mfr. Part No.THDP0200
BrandTektronix
SGD3,666.60
Each
units
Differential, High Voltage 1:50, 1:500 200MHz 1.5kV BNC THDP0200 - CAT II, CAT III 600 V, 1000 V THD CAT II 1000 V, CAT III 600 V 1.8ps
RS Stock No. 224-1219
Mfr. Part No.15101
BrandTestec
SGD549.76
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. 702-7910
Mfr. Part No.11060A
SGD56.15
Each
units
Surface Mount Device - - - - 11060A - - - - - -
RS Stock No. 878-7613
Mfr. Part No.ZD500
SGD6,208.00
Each
units
Active, Differential 1:1 650MHz 18V ProBus ZD500 2 - - ZD - 650ps
RS Stock No. 733-6139
Mfr. Part No.N2795A
SGD1,680.00
Each
units
Active 1:10 1GHz - - N2795A - - - N - 350ps
RS Stock No. 163-7603
Mfr. Part No.GE-1521
BrandElditest
SGD58.55
Each
units
Gripper, Passive, Voltage 1x, 10x 150MHz - BNC GE-1521 - CAT I 300V GE 1500 CAT I 300 V 2.3 ns, 20 ns
RS Stock No. 800-3004
Mfr. Part No.TPP0051
BrandTektronix
SGD48.11
Each
units
Passive 1:10 50MHz - BNC TPP0051 1 CAT II 300V - CAT II 300 V 7ns
RS Stock No. 796-6702
Mfr. Part No.P6015A
BrandTektronix
SGD4,171.80
Each
units
High Voltage 1:1000 75MHz 20kV - P6015A 1 - - - - 4ns
RS Stock No. 919-5087
Mfr. Part No.VPS41
BrandFluke
SGD272.00
Each
units
Passive 1:10 - - - - - - - - - -
RS Stock No. 224-1225
Mfr. Part No.SI-9002
BrandTestec
SGD519.00
Each
units
Active, Differential 1:20, 1:200 25MHz 1kV - TT-SI 9002 - CAT III 1000 V ac, 1400 V ac/dc SI CAT III 1000 V ac, CAT III 1400 V 14ns
RS Stock No. 734-5026
Mfr. Part No.P5205A
BrandTektronix
SGD2,600.00
Each
units
Differential, High Voltage 1:50, 1:500 100MHz 1kV - P5205A - CAT II 1000V P52XXA CAT II 1000 V -
RS Stock No. 415-455
Mfr. Part No.VPS212-R
BrandFluke
SGD359.00
Each
units
Passive 1:10 200MHz - - VPS212 5 CAT II, CAT III 30 V, 600 V, 1000 V ScopeMeter 190 CAT II 1000 V, CAT II 3 V, CAT III 600 V -
RS Stock No. 575-585
Mfr. Part No.P2221
BrandTektronix
SGD220.00
Each
units
Passive 1:1, 1:10 200MHz - - P2221 - CAT II 150 V, 300 V - CAT II 15 V, CAT II 300 V -
RS Stock No. 801-4868
Mfr. Part No.AP031
SGD979.70
Each
units
Differential 1:10, 1:100 25MHz 700V BNC AP031 - CAT III 1000V - CAT III 1000 V 14ns
RS Stock No. 661-3295
Mfr. Part No.P6316
BrandTektronix
SGD1,111.50
Each
units
Logic, Passive - - - - P6316 - - - - - -
RS Stock No. 738-9366
Mfr. Part No.ZD1000
SGD8,725.44
Each
units
Active, Differential 1:1 1.2GHz 10V - ZD1000 - - - ZD - 375ps
RS Stock No. 734-5013
Mfr. Part No.P5100A
BrandTektronix
SGD854.00
Each
units
Passive 1:100 500MHz 1kV - P5100A - CAT II 1000V ac 5000 CAT II 1000 V ac 700ps
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