BSIDE ASTS Circuit Analyzer Socket Tester GFCI RCD EU US UK

BSIDE ASTS Circuit Analyzer Socket Tester is a professional tool designed for quick fault location on AC low-voltage distribution lines. It helps prevent electric shocks, electrical fires, and abnormal equipment operation by precisely analyzing wiring status and protection trip functions. Compact and easy to use, this tester is ideal for electricians, maintenance technicians, and home inspectors who need reliable on-site diagnostics.

With TRMS measurements and peak voltage, it evaluates the voltage distribution between live, neutral, and ground wires, plus frequency checks to ensure correct power conditions. The device supports GFCI and RCD testing, enabling you to verify trip functionality quickly. Its large LCD with backlight makes readings clear in various lighting conditions, while dual-mode alerts (red flashing and audible beeps) provide immediate, unmistakable warnings.

Designed for effortless testing, you simply plug the tester into the tested socket and follow the on-unit guide to interpret results. It automatically completes most tests, making it suitable for both professionals and DIY enthusiasts who want confident, fast fault location and wiring status checks. It supports EU, US, and UK plug configurations, and operates on a voltage range of 85V–265V at 50/60 Hz.

Benefits & Tips

• Quickly locate wiring faults in outlets and reduce the risk of shocks and equipment damage.
• Verify GFCI/RCD functionality on any compatible socket to ensure protection is active.
• Use the large backlit LCD and audible alert to read results at a glance in tight spaces or dim environments.

Product Specifications

• Brand: BSIDE
• Model: ASTS
• Category: Professional Circuit Analyzer / Socket Tester
• Plug Type: EU / US / UK Standard
• Voltage: 85V–265V (50/60 Hz)
• Frequency Test: 45.0–65.0 Hz ±0.1 Hz (1.0% + 0.3)
• True RMS: Yes
• RMS Measurements: UL_N(RMS) 85.0–99.9V/0.1V ±(2.0%+0.2); 100–265V/1V ±(1.0%+1)
• UL_N(P_P): 121–374V/1V ±(1.0%+1V)
• UN_E(RMS): 0.0–10.0V/0.1V ±(2.5%+0.2)
• Phase Voltage TRMS: Yes
• Live–Neutral, Neutral–Ground, and Peak Voltage Tests: Yes
• GFCI/RCD Test: Yes
• Display: Large LCD with Backlight
• Alarms: Dual mode (backlight flashing red + continuous beep)
• Size: 137 × 60 × 62 mm
• Weight: 160 g
• Power: 3 × 1.5V AAA batteries
• Origin: Mainland China
• Certifications: CE, FCC, RoHS
• Scope: Designed for AC low-voltage distribution line fault location
• Warranty/Quality: 100% new and high quality

Package includes:

• 1 × ASTS Circuit Analyzer Socket Tester
• 1 × High-quality EVA bag
• 1 × User Manual
• 1 × Box

Warnings & Reminders

• Use within the specified voltage range of 85–265V and 50/60 Hz for accurate results.
• Operating altitude up to 2000 meters.
• Power source: 3 × AAA batteries required for operation.
• Keep the device dry and away from moisture to ensure accurate readings.

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