The Tektronix VX4101 is a VXIbus C-size module combining a 5.5-digit digital multimeter with a 2-channel, 250 MHz universal counter. Engineered for automated test systems, this single-slot instrument delivers precise voltage, current, and resistance measurements alongside frequency counting and scanner master control of compatible relay modules.
Technical Specifications
Digital Multimeter
• Resolution: 5.5 digits
• DC Voltage ranges: 30 mV, 300 mV, 3 V, 30 V, 300 V
• DC Current ranges: 150 mA, 1 A
• Floating input isolation: up to 300 VDC or AC RMS
• Programmable aperture time: 1 ms to 2 seconds in 1 ms steps
• Full-function autoranging with autozero and autogain
Universal Counter
• Channels: 2
• Maximum frequency: 250 MHz
• Gating sources: VXI TTL triggers, counter front panel arm, software triggers, periodic trigger, DMM end-of-measurement, and SurePath relay switched and settled
VXI Integration
• Form factor: C-size, single slot
• Command set: SCPI 1995 and IEEE 488.2 compliant
• Data acquisition: Fast Data Channel Protocol up to 4096 measurements per transfer
• Software: VXIplug&play Win Framework instrument driver included
– Key Features
• Power cycle averaging modes for 60 Hz and 50 Hz operation
• Comprehensive self-test: RAM, power supply, reference, amplifier, ADC, control circuitry, measurement buffers, logic registers, and counter diagnostics
• Shared memory and control register verification via DAC self-test
• Scanner master functionality for Tektronix SurePath VXI relay module control
• No input disconnection required for offset and gain error compensation
– Typical Applications
Automated test systems requiring simultaneous multifunction measurement and frequency analysis within space-constrained VXI chassis environments.
– Compatibility & Integration
Full VXIbus Specification compliance. SCPI message-based programming via native commands or VXIplug&play driver. Compatible with SurePath relay family for extended switching matrix capabilities.
