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. 901-0970
Mfr. Part No.PK400-0
TWD273.30
Each (In a Pack of 22)
units
Gripper - - - - - 22 - - - - -
New
RS Stock No. 215-0975
Mfr. Part No.PR500B
TWD4,980.00
Each
units
Passive 1x/10x 500MHz 300V BNC PR500B - - - - - -
RS Stock No. 714-0035
Mfr. Part No.10074D
TWD8,694.00
Each
units
Passive 1:10 150MHz - BNC 10074D - CAT I, CAT II 400 V, 500V - CAT I 500 V, CAT II 400V 2.33ns
RS Stock No. 146-6623
BrandRS PRO
TWD2,340.00
Each
units
Passive 1:100 300MHz ± 700V BNC - 1 CAT I 2500V - CAT I 2500V 1.2ns
RS Stock No. 201-1880
Mfr. Part No.RT-ZS30
TWD179,150.00
Each
units
Active 10:1 3GHz - BNC RT-ZS - - - - - -
RS Stock No. 922-5255
Mfr. Part No.PP023-1
TWD15,344.00
Each
units
Passive 1:10 500MHz - BNC PP023 1 CAT I, CAT II 400 V, 500V - CAT I 500 V, CAT II 400V 700ps
RS Stock No. 724-0927
Mfr. Part No.PP007-WR
TWD16,031.00
Each
units
Passive 1:10 500MHz 300V BNC PP007-WR - CAT I, CAT II 300 V, 400V PP CAT I 400 V, CAT II 300V -
RS Stock No. 185-2140
Mfr. Part No.N2843A
TWD7,028.00
Each
units
Passive 10:1 500MHz - - N2843A 1 CAT II - - CAT II 300V 700ps
RS Stock No. 174-8872
Mfr. Part No.HVD3206A-6M
TWD119,433.00
Each
units
Differential 1:50, 1:500 80MHz 1kV - - 1 CAT I, CAT III 1000 V, 1500 V dc, 2000V HVD3000A CAT I 2000 V, CAT III 1000 V, CAT III 1500V 4.4ns
RS Stock No. 898-6785
Mfr. Part No.TA223
TWD65,851.00
Each
units
Active 1:10 2.5GHz 20V BNC Adapter, SMA - 2 - 20V - - -
RS Stock No. 179-9558
BrandRS PRO
TWD1,915.00
Each
units
Passive 10:1 350MHz - BNC - 1 CAT II 400V RS-TP CAT II 400V <1ns
RS Stock No. 194-3333
Mfr. Part No.WS4KHD-MSO
TWD94,585.00
Each
units
Gripper - - - - - - - - - - -
New
RS Stock No. 215-0973
Mfr. Part No.PR250B
TWD3,041.00
Each
units
Passive 10x 250MHz 300V BNC PR250B - - - - - -
RS Stock No. 744-4687
Mfr. Part No.PP009-1
TWD13,025.00
Each
units
Passive 1:10 500MHz 400V BNC PP009-1 - CAT I, CAT II 300 V ac, 400V ac PP CAT I 400 V, CAT II 300V -
RS Stock No. 146-6613
BrandRS PRO
TWD1,041.00
Each
units
Passive 1:10 150MHz 20V BNC - 1 CAT I 600V - CAT I 600V 2.3ns
RS Stock No. 134-6158
Mfr. Part No.N2140A
TWD3,125.00
Each
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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. 146-6619
BrandRS PRO
TWD5,996.00
Each
units
Miniature 1:10 500MHz 500V BNC - 1 CAT I, CAT II 400 V, 500V - CAT I 500 V, CAT II 400V <0.7ns
RS Stock No. 918-6866
Mfr. Part No.HVD3206-6M
TWD119,340.00
Each
units
Differential 1:50, 1:500 80MHz 1kV - HVD3206-6M 2 CAT I, CAT III 1000 Vrms, 1500 V dc, 2000 (DC + Peak AC) V - Cat I 2000 (DC + Peak AC) V, Cat III 1000 Vrms, Cat III 1500 V dc 4.4ns
RS Stock No. 201-1873
Mfr. Part No.RT-ZHD07
TWD83,763.00
Each
units
High Voltage 25:1, 250:1 200MHz - BNC RT-ZHD - - - - - -
New
RS Stock No. 215-1102
Mfr. Part No.T3DSO1000-LS
TWD10,187.00
Each
units
- 0.41736111111 100MHz - Banana Plug T3DSO1000-LS - - - - - -