Data Proof 320B OPT4
32-Channel Low Thermal Scanner with Shielded Cable Inputs

The Data Proof 320B OPT4 is a high-precision low thermal scanner designed for automated DC measurement applications in calibration, metrology, and research laboratories. Its ultra-low thermal EMF design enables accurate switching of low-level signals while maintaining the integrity of voltage, resistance, and other precision electrical measurements.The OPT4 configuration features shielded cable inputs, providing enhanced protection against electromagnetic interference (EMI) and helping preserve signal quality in electrically noisy environments. With 32 measurement channels, it is ideally suited for large-scale automated measurement and calibration systems.

Key Features

• 32 measurement channels
• Shielded cable input configuration (OPT4)
• Ultra-low thermal EMF (< 20 nV)
• Excellent long-term stability
• Optimized for precision DC voltage and resistance measurements
• Supports automated calibration and metrology systems
• Low thermal relay technology minimizes measurement errors
• Enhanced immunity to electromagnetic interference (EMI)
• Suitable for laboratory and industrial environments

Typical Applications

• Digital multimeter calibration
• Automated DC voltage measurements
• Precision resistance measurements
• Multi-channel measurement and test systems
• Low-level electrical measurements
• Calibration laboratories
• National metrology institutes
• Research and development laboratories

Benefits

The Data Proof 320B OPT4 enables efficient automation of large-scale measurement and calibration processes without compromising accuracy. Its shielded cable input design helps reduce the impact of external electromagnetic interference, while the 32-channel architecture allows a large number of measurement points to be managed within a single system. The low thermal construction further minimizes thermal EMFs that could affect critical measurement results.