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. 518-0987
Mfr. Part No.99.00173
BrandStaubli
HK$593.11
1 Set
Set(s)
Passive 1:10 250MHz - BNC 99.00173 - CAT II, CAT III 600 V, 1000 V - CAT II 1000 V, CAT III 600 V 1.2ns
RS Stock No. 702-3902
Mfr. Part No.N2873A
HK$3,583.10
Each
units
Passive 1:10 500MHz - BNC N2873A - CAT I, CAT II 300 V, 400 V N2870A CAT I 400 V, CAT II 300 V -
RS Stock No. 796-6702
Mfr. Part No.P6015A
BrandTektronix
HK$23,623.55
Each
units
High Voltage 1:1000 75MHz 20kV - P6015A 1 - - - - 4ns
RS Stock No. 518-0993
Mfr. Part No.99.00224
BrandStaubli
HK$352.01
1 Set
Set(s)
Passive 1:10 150MHz - BNC 99.00224 - CAT II 1000V - CAT II 1000 V 1.2ns
RS Stock No. 512-6078
Mfr. Part No.TT-SI 9010
BrandTestec
HK$7,905.20
Each
units
Active, Differential 1:100, 1:1000 70MHz 5kV BNC TT-SI 9010 - CAT I, CAT II 2500 V ac, 7000 V ac/dc SI CAT I 2500 V ac, CAT II 7000 V ac/dc 5ns
RS Stock No. 800-3004
Mfr. Part No.TPP0051
BrandTektronix
HK$298.85
Each
units
Passive 1:10 50MHz - BNC TPP0051 1 CAT II 300V - CAT II 300 V 7ns
RS Stock No. 801-4868
Mfr. Part No.AP031
HK$5,067.81
Each
units
Differential 1:10, 1:100 25MHz 700V BNC AP031 - CAT III 1000V - CAT III 1000 V 14ns
RS Stock No. 716-7419
Mfr. Part No.VPS420-R
BrandFluke
HK$2,540.24
Each
units
Passive 1:100 150MHz - - VPS420 R 1 CAT III 2000V ScopeMeter 190 CAT III 2000 V -
RS Stock No. 830-3212
Mfr. Part No.WS3K-MSO
HK$16,483.18
Each
units
- - 500MHz 30V - WS3K-MSO - - - WaveSurfer 3000 Series - -
RS Stock No. 448-4351
Mfr. Part No.15120
BrandTestec
HK$4,378.86
Each
units
Active, Differential 1:100, 1:1000 100MHz 1kV BNC TT-SI 9110 - CAT III 1000 V ac, 1400 V ac/dc SI CAT III 1000 V ac, CAT III 1400 V 3.5ns
RS Stock No. 702-3895
Mfr. Part No.N2870A
HK$2,247.32
Each
units
Passive 1:1 35MHz - BNC N2870A - CAT II 55V N287XA CAT II 55V -
RS Stock No. 714-0039
Mfr. Part No.10073D
HK$3,703.49
Each
units
Passive 1:10 500MHz - BNC 10073D - CAT II 400V - CAT II 400 V 700ps
RS Stock No. 825-1212
Mfr. Part No.68.9433-28
BrandStaubli
HK$634.38
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. 901-0970
Mfr. Part No.PK400-0
HK$2,212.626
Each (In a Pack of 22)
units
Gripper - - - - - 22 - - - - -
RS Stock No. 734-5022
Mfr. Part No.P5202A
BrandTektronix
HK$17,241.45
Each
units
Differential, High Voltage 1:20, 1:200 100MHz 640V - P5202A - CAT I, CAT II 300 V, 450 V P52XXA CAT I 45 V, CAT II 300 V -
RS Stock No. 661-3286
Mfr. Part No.TAP1500
BrandTektronix
HK$34,320.00
Each
units
Active 1:10 1.5GHz 10V - TAP1500 - - - TAP - 267ps
RS Stock No. 851-3087
Mfr. Part No.HVP120
HK$4,095.20
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. 726-0041
Mfr. Part No.TPP0201
BrandTektronix
HK$736.92
Each
units
Passive 1:10 200MHz 300V BNC TPP0201 - CAT I, CAT II 300 V, 300 V ac, 400 V ac TPP CAT I 400 V ac, CAT II 300 V, CAT II 300 V ac 2.3ns
RS Stock No. 851-3100
Mfr. Part No.PP020-1
HK$2,557.25
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. 512-5003
Mfr. Part No.MX9030-Z
BrandMetrix
HK$3,078.75
Each
units
Differential, Gripper 1:1, 1:20, 1:200 30MHz - - MX 9030-Z 5 CAT IV 600V - CAT IV 600 V 11.7ns
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