TESCO adds three-phase voltage synthesizer to portable meter testing platform

TESCO Metering has expanded its Portable Meter Testing Platform with the Model 6440 Three-Phase Voltage Synthesizer for utility field work. The modular system is designed to support meter commissioning, validation, troubleshooting and AMI testing as utilities manage more complex grid equipment.

Why it matters: - Utilities need field testing tools that can keep up with AMI, DERs, EV charging infrastructure and more complex distribution systems. - TESCO’s modular platform is built to reduce the size, weight and complexity of traditional integrated meter-testing systems. - The platform is designed to support revenue metering accuracy and billing confidence in the field.

What happened: - TESCO Metering announced the Model 6440 Three-Phase Voltage Synthesizer as the newest expansion of the TESCO Portable Meter Testing Platform. - The platform is anchored by the TESCO 6330 Meter Site Analyzer and now pairs that analyzer with the new Model 6440. - TESCO framed the release as a response to utility modernization needs.

The details: - The Model 6440 provides a programmable, isolated three-phase voltage source. - The 6330 Meter Site Analyzer handles voltage, current, phase angle, burden, harmonics and overall meter accuracy measurement and analysis. - Together, the two instruments create a portable solution for commissioning, validating, troubleshooting and maintaining revenue metering installations. - The Model 6440 generates programmable three-phase voltage outputs from 69 to 480 VAC. - The synthesizer supports 50 Hz and 60 Hz systems. - The unit delivers 100 VA per phase. - Voltage setting accuracy is ±0.5%. - Total harmonic distortion is less than 3%. - Supported service configurations include 69/120 V WYE, 120/208 V WYE, 120/240 V DELTA, 277/480 V WYE and 240/480 V DELTA. - The Model 6440 uses FPGA-controlled architecture, isolated Class-D amplifier design, integrated surge protection and rugged field-ready construction. - The unit operates from a standard 120 VAC power source. - The platform supports revenue meter commissioning, meter installation verification, revenue meter accuracy testing, intertie meter testing, AMI validation, DER interconnection testing, power quality investigations, site acceptance testing, preventive maintenance, meter troubleshooting and utility workforce training. - The platform supports both electromechanical and solid-state revenue metering technologies. - TESCO said the modular architecture lets utilities deploy only the equipment needed for each task while protecting existing investments as testing needs change.

Between the lines: - The launch points to a broader shift toward portable, configurable test gear instead of large single-purpose systems. - TESCO is positioning the 6440 as an add-on that extends an existing platform, not a standalone replacement. - The emphasis on laboratory-grade performance in a field-ready package signals a push to narrow the gap between shop testing and on-site verification.

What's next: - TESCO says the expanded platform is meant to grow alongside utility requirements as grid modernization continues. - The company directed readers to more information about the platform and the Model 6440. - TESCO will continue targeting utilities that need portable testing for legacy metering and smart-meter deployments.

The bottom line: - The Model 6440 gives TESCO a more flexible portable testing lineup for utilities that need accurate voltage generation and meter analysis in the field.