✅ Key Features:

• Measurement Modes:

  • Earth Resistance: 0–20Ω, 0–200Ω, 0–2000Ω

  • Earth Voltage: 0–200V (50/60Hz)​f00.psgsm.net+1egeratedocuments.com+1

• Accuracy:

  • Earth Resistance: ±(2% + 10) for 20Ω range; ±(2% + 3) for 200Ω and 2000Ω ranges

  • Earth Voltage: ±(1% + 4)​

• Test Signal Frequency: Approximately 820Hz

• Test Current: Around 3.2mA at 20Ω range

• Display: Large LCD with backlight for clear readings

• Data Storage: Stores up to 20 sets of measurement data

• Auto Power Off: Conserves battery life by automatically turning off after a period of inactivity

• Low Battery Indicator: Alerts when battery replacement is needed

• Safety Compliance: IEC 61010-1 CAT III 600V, IEC 61557-1,5, IEC 61010-2-31

🛠️ Applications:

• Electrical Installations: Assessing the grounding resistance of electrical systems

• Lightning Protection Systems: Ensuring effective grounding for safety

• Industrial Equipment: Verifying grounding integrity in machinery and equipment

• Maintenance and Inspection: Routine checks of grounding systems in various facilities

📦 Package Includes:

• 1 × UNI-T UT521 Digital Earth Tester

• 1 × Green Test Lead (5m)

• 1 × Yellow Test Lead (10m)

• 1 × Red Test Lead (20m)

• 2 × Auxiliary Earth Stakes

• 1 × Set of Simple Test Leads with Alligator Clips

• 6 × 1.5V AA Alkaline Batteries

• 1 × Carrying Bag

• 1 × English Manual​