TT887 DUOYI DY207B 230V Socket Tester Wiring Polarity & Leakage Test

The DUOYI DY207B is a plug-in socket tester designed for checking the wiring condition of 230V AC socket outlets. It uses three indicator lights to display common wiring faults and includes a leakage-test button.

🔧 Product Overview

• Brand: DUOYI
• Model: DY207B
• Tool type: Socket wiring tester
• Maximum voltage: 230V
• Frequency: 50/60Hz
• Power consumption: 3mA
• Three indicator lights
• Leakage-test button
• UK three-pin plug

✅ Wiring Indications

The printed guide on the tester shows indications for:

• Correct wiring
• Earth open
• Live open
• Neutral open
• Live and neutral reversed
• Live and earth reversed
• Live/neutral reverse with earth open

⚡ Test Function

• Push-button leakage test
• Button marked to press for approximately 3 seconds

📦 Included

• 1 x DUOYI DY207B socket tester
• Original retail blister packaging

ℹ️ Condition

Brand new and unused. Supplied sealed in its original retail packaging.

Delivery options, costs and estimated delivery times are shown at checkout. Tracking information is provided after dispatch when available.

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