The Probe Master 4901-1 is a gold-plated oscilloscope probe engineered for precision measurement of low-level analog signals and high-speed digital data in complex circuitry. Its slim profile design accesses difficult test points while maintaining excellent signal integrity through gold-plated contacts. Manufactured in the USA, the 4901-1 delivers switchable attenuation modes and interchangeable tip options for diverse probing requirements.
Technical Specifications
• Bandwidth: 150 MHz at 10X attenuation; 10 MHz at 1X attenuation
• Attenuation Modes: Switchable 1X / R / 10X
• Input Impedance: 1 MΩ (1X mode), 10 MΩ (10X mode)
• Input Capacitance: 10–150 pF (10X attenuation); 15 pF (1X attenuation with 1.5 m cable); 57/15 pF and 55/14 pF (10X attenuation with variable cable lengths)
• Maximum Voltage: 600 V DC (10X mode)
• Compensation Range: 10 pF – 50 pF
• Rise Time: 2.4 ns
• Cable Length: 3.5 ft (1 meter) and 5 ft (1.5 meter) configurations
• Interchangeable Tip Diameters: 0.030″ and 0.055″
– Key Features
• Gold-plated probe tips and contacts for superior signal fidelity
• Slim design for congested PCB and circuit access
• Switchable 1X/R/10X attenuation for flexible measurement modes
• Sprung hook, ground lead, and alligator tip accessories included
• Adjustable compensation tuning for oscilloscope input impedance matching
• USA manufacturing with domestic support
– Typical Applications
Precision analog measurements, high-speed digital signal acquisition, low-level circuit diagnostics, and prototype validation in demanding test environments.
– Compatibility & Integration
Designed for Tektronix oscilloscopes (465, 475, 2200, 2300, 2400, 5000, 7000, 11000 series) and Hewlett Packard high-performance instruments. Available in basic and deluxe kit configurations with trimmer tool, IC test tip, tip insulator, and storage pouch.
