Megger MST220 Audible Socket Tester – 230 V, CAT II 330 V, Tri-LED & Audible Tone

The Megger MST220 is a compact plug-in socket tester for UK 13 A BS 1363 sockets. It offers:

Supply Voltage: 230 V AC, 50/60 Hz

Power Consumption: Less than 15 mA

Indicators: Tri-colour LEDs with integrated audible alarm for instant fault feedback

Safety Compliance: Rated CAT II 330 V, conforms to EN 61010 standards

Dimensions: 78 mm (H) × 67 mm (W) × 58.5 mm (D)

Weight: Approximately 74 g (varies slightly by packaging)

Operating Conditions: Temperature range 0–40 °C; humidity below 95% (non-condensing)

Certifications: RoHS compliant; optional RS-calibrated version available