Delta MI3309BT

What Is the Metrel Delta MI3309BT?

The DeltaPAT MI3309BT is one of the best-selling portable appliance testers in Australia. It hits the sweet spot between simplicity and capability — easy enough for everyday on-site testing, but powerful enough to handle a full range of electrical safety tests and download results to reporting software.

Whether you’re doing solo test and tag work or running a small team, the Delta gives you everything you need in a single handheld unit.

Key Features

• Battery or mains powered — flexibility for any site
• Tests Class I, Class II, extension leads and mains leads
• Earth bond, insulation, substitute leakage and differential leakage testing
• RCD and PRCD testing (no isolation transformer required)
• Stores up to 1,500 test results with date, time, asset ID and description
• Bluetooth ready — connect to compatible Android apps (aPAT, PATLink)
• USB and RS232 communication ports for printers and barcode scanners
• Large LCD display with clear Pass/Fail indicators
• Includes Metrel ES Manager PC software for reporting
• Simple test mode and Autotest mode
• AS/NZS 3760 compliant
• 2-year warranty

Test Types Performed

Earth bond, insulation resistance, substitute leakage, differential leakage, RCD/PRCD testing, mains outlet polarity check.

What’s in the Box?

DeltaPAT MI3309BT tester, soft carry case, 240V extension lead adaptor, mains lead, test lead, probe and clip, batteries, USB and RS232 cable, Metrel ES Manager PC software, user manual, certificate of calibration.

Software Compatibility

Compatible with Metrel ES Manager (PC), aPAT (Android) and PATLink Pro. Results can be exported to PC for full reporting and record-keeping.