What Is an Oscilloscope Probe?
An oscilloscope probe is a measurement accessory used to connect an oscilloscope to a circuit or device under test. Probes help capture voltage, current, timing, rise time, bandwidth, and waveform behavior so teams can evaluate signal performance.
Because the probe becomes part of the measurement system, its condition and performance can directly affect measurement accuracy, signal integrity, and confidence in test results. Regular calibration helps confirm that oscilloscope probes continue to perform within specification and support reliable, traceable measurements.
Common Types of Oscilloscope Probes
SIMCO supports calibration for common oscilloscope probe types and accessories, including:
- Passive voltage probes used for general-purpose voltage measurement
- Active probes used for higher-bandwidth and lower-loading applications
- Differential probes used to measure voltage differences between two points
- Current probes used for AC, DC, AC/DC, and clamp-style current measurements
- High-voltage probes used for elevated voltage measurement applications
- Logic probes and probe pods used with supported digital and mixed-signal systems
- Attenuators and probe accessories used to support signal conditioning and measurement setup
- Custom probe assemblies and fixtures evaluated based on configuration and service scope
Oscilloscope Probe Calibration Capabilities
SIMCO provides oscilloscope probe calibration services designed to verify probe performance, identify drift, and support traceable documentation for quality and compliance programs.
Our oscilloscope probe calibration services may include:
- Inspection of probe condition, connectors, tips, compensation components, cables, and accessories
- Attenuation ratio verification
- Bandwidth and frequency response verification, when applicable
- Rise time and timing performance checks, when supported
- Input resistance and capacitance verification, when applicable
- Current measurement verification for current probes
- Differential measurement verification for differential probes
- High-voltage performance verification for applicable probes
- Compensation and functional checks, when supported
- Calibration using appropriate reference standards and procedures
- As-found and as-left results, when required
- Calibration certificates with test points, tolerances, uncertainties, and traceable documentation
Why Oscilloscope Probe Calibration Matters
Oscilloscope probes can drift or degrade over time due to normal use, connector wear, mechanical stress, cable damage, temperature changes, contamination, or environmental exposure. Even small deviations in attenuation, bandwidth, compensation, or loading characteristics can distort waveforms and affect timing, amplitude, and signal integrity measurements.
Calibration helps support:
- Waveform accuracy: Confirms probes are suitable for capturing signal behavior within required tolerances.
- Reliable troubleshooting and validation: Helps ensure engineering, production, and test teams can trust oscilloscope measurements.
- Compliance and audit readiness: Provides traceable documentation for quality systems, customer requirements, and regulated environments.
- Risk reduction: Helps reduce false readings, incorrect test conclusions, failed validation, rework, and quality escapes.
Calibration Service Options
SIMCO supports calibration programs through a range of service models designed to meet different operational, compliance, and turnaround requirements. Depending on your instrument type, service scope, location, and quality requirements, available options may include:
- In-Lab Calibration: Instruments calibrated through SIMCO’s accredited lab network
- Onsite Calibration: Calibration at your facility, including in-situ services for installed equipment
- Embedded Laboratories: Onsite, fully managed calibration labs
- Managed Outside Services: Coordinated third-party calibration management
- Pickup and Delivery: Local pickup and delivery options available for SIMCO service areas
Industries and Applications We Support
SIMCO supports oscilloscope probe calibration for organizations where waveform accuracy, signal integrity, traceability, and test reliability are critical.
Common applications include:
- Aerospace and defense electronics testing
- Semiconductor and electronics manufacturing
- Communications and RF system validation
- Medical device and life sciences equipment testing
- Automotive electronics and EV testing environments
- Engineering, research, and product development
- Production test, validation, quality control, and automated test systems
Why Choose SIMCO for Oscilloscope Probe Calibration?
- ISO/IEC 17025 accredited calibration services
- Support for passive, active, differential, current, high-voltage, logic, and specialty probes
- Verification of attenuation, bandwidth, rise time, timing, current, differential, and high-voltage performance where applicable
- Calibration documentation with test points, tolerances, uncertainties, and traceable results
- As-found and as-left data available when required
- Calibration support for regulated and high-precision industries
- Service options including in-lab, onsite, embedded laboratories, managed services, and pickup and delivery
- Asset management support through CERDAAC SIMCO Manager