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. 851-3087
Mfr. Part No.HVP120
BrandLeCroy
$924.00
Each
units
Passive 1:100 400MHz - BNC HVP120 - CAT I, CAT II 1000 Vrms, 6000 V HVP CAT I 6000 V, CAT II 1000 Vrms 900ps
RS Stock No. 801-4868
Mfr. Part No.AP031
BrandLeCroy
$1,143.45
Each
units
Differential 1:10, 1:100 25MHz 700V BNC AP031 - CAT III 1000V - CAT III 1000 V 14ns
RS Stock No. 901-0970
Mfr. Part No.PK400-0
BrandLeCroy
$418.766
Each (In a Pack of 22)
units
Gripper - - - - - 22 - - - - -
RS Stock No. 745-0708
Mfr. Part No.PPE5KV
BrandLeCroy
$1,824.90
Each
units
High Voltage, Passive 1:100 400MHz - BNC PPE5KV - CAT I - PEE CAT I -
RS Stock No. 724-0924
Mfr. Part No.PP007-WS
BrandLeCroy
$762.30
Each
units
Passive 1:10 500MHz 400V BNC PP007-WS - CAT I, CAT II 300 V, 400 V PP CAT I 400 V, CAT II 300 V -
RS Stock No. 672-1700
Mfr. Part No.PK400-1
BrandLeCroy
$379.50
Each
units
Gripper - - - - PK400-1 - - - - - -
RS Stock No. 724-0933
Mfr. Part No.PP008-1
BrandLeCroy
$617.49
Each
units
Passive 1:10 500MHz 400V BNC PP008-1 - CAT I, CAT II 300 V ac, 400 V ac PP CAT I 400 V ac, CAT II 300 V ac -
RS Stock No. 851-3100
Mfr. Part No.PP020-1
BrandLeCroy
$576.99
Each
units
Passive 1:10 500MHz - BNC PP020-1 - CAT I, CAT III 600 Vrms, 1500 V PP020 CAT I 1500 V, CAT III 600 Vrms 0.7ns
RS Stock No. 801-4877
Mfr. Part No.PP005A
BrandLeCroy
$612.15
Each
units
Passive 1:10 500MHz 500V BNC PP005A 1 CAT I, CAT II 300 V, 600 V - CAT I 600 V, CAT II 300 V -
RS Stock No. 901-0996
Mfr. Part No.HVD3605
BrandLeCroy
$5,875.73
Each
units
Differential 1:200, 1:2000 100MHz 6kV - - 2 CAT I, CAT III 1000 Vrms, 1500 V dc HVD 3000 CAT I 8485 V (dc + pk ac) / 6000 Vrms, CAT III 1000 Vrms, CAT III 1500 V dc 4.3ns
RS Stock No. 136-8330
Mfr. Part No.HVFO103
BrandLeCroy
$7,130.20
Each
units
High Voltage - 60MHz 35kV USB HVFO103 1 - - HVFO - 7.5ns
RS Stock No. 724-0927
Mfr. Part No.PP007-WR
BrandLeCroy
$762.30
Each
units
Passive 1:10 500MHz 300V BNC PP007-WR - CAT I, CAT II 300 V, 400 V PP CAT I 400 V, CAT II 300 V -
RS Stock No. 878-7617
Mfr. Part No.ZD1500
BrandLeCroy
$12,670.35
Each
units
Active, Differential 1:1 1.7GHz 10V ProBus ZD1500 2 - - ZD - 270ps
RS Stock No. 801-4886
Mfr. Part No.DXC200
BrandLeCroy
$2,098.64
Each
units
Passive 1:1 50MHz 500V - DXC200 2 - - - - 7 ns, 35 ns
RS Stock No. 851-3090
Mfr. Part No.PP019-1
BrandLeCroy
$334.95
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
BrandLeCroy
$1,017.893
Each (In a Pack of 10)
units
- - - - - - - - - - - -
RS Stock No. 738-9366
Mfr. Part No.ZD1000
BrandLeCroy
$9,909.90
Each
units
Active, Differential 1:1 1.2GHz 10V - ZD1000 - - - ZD - 375ps
RS Stock No. 918-6857
Mfr. Part No.PP006C
BrandLeCroy
$589.05
Each
units
Passive 1:10 500MHz - - PP006C - CAT I, CAT II 300 Vrms, 350 Vrms, 1400 (Transient Over Voltage) V WaveJet Touch Cat I 1400 (Transient Over Voltage) V, Cat I 350 Vrms, Cat II 300 Vrms -
RS Stock No. 878-7610
Mfr. Part No.ZS1500
BrandLeCroy
$4,492.95
Each
units
Active 1:10 1.5GHz - ProBus ZS1500 2 - - ZS - -
RS Stock No. 672-1706
Mfr. Part No.ZS1000
BrandLeCroy
$1,626.90
Each
units
Active 1:10 1GHz - ProBus ZS1000 - - - ZS - -