Technical Introduction of the ST-3/XT3, Probewell Connect and Accessories

The first socket-type transformer-rated site tester with integrated WiFi technology

Full RMS and line cycle measurement of both secondary and primary currents and voltages

Rooted at its core is a high-performance multiphase energy-metering circuitry.

Compatible input voltage

The ST-3/XT3 is powered directly from the meter base for quick and easy setup.

· From 100 to 480 VAC between phase and neutral

Plug & Play

Connect the CT and PT measurement accessories directly to one of the two ports on the front of the device.

Uncompromised accuracy

The tester has three built-in current sensors of up to 20 Amperes to analyze the secondary current directly at the meter socket.

· 3 current sensors up to 20 A

· Typical accuracy of 0.05%

· Maximum accuracy of 0.1%

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