PRO 421 Digital TRMS AC/DC Clamp Meter with VFD, Inrush, LoZ

The Metravi HCM Series Leakage Current Clamp Meter is a versatile and precise instrument designed to measure AC current, including leakage currents, with True RMS functionality. The device is compact and user-friendly, making it ideal for fieldwork in various industrial and maintenance applications. The True RMS feature ensures accurate measurements of both regular and irregular waveforms, providing dependable readings for diverse electrical environments.

Key Features:

• Clamp Size: 1.4” (35mm) jaw opening for easy clamping around conductors.
• True RMS Measurement: Accurately measures both AC voltage and current, including irregular waveforms, ensuring precise data for reliable analysis.
• Diode Test: Outputs a typical test current of 0.3mA with a 3.2V DC open circuit voltage.
• Continuity Check: Alerts for resistances less than or equal to 50Ω with a test current below 0.5mA.
• Low Battery Indicator: Displays “ ” to notify when battery replacement is needed.
• Overrange Indication: Shows “OL” when measurements exceed the range limits.
• Measurement Rate: Updates measurements twice per second for near real-time monitoring.
• Input Impedance: High input impedance of 10MΩ for VDC and VAC to ensure minimal interference with circuits.
• Auto Power Off: Automatically powers down after 30 minutes of inactivity to conserve battery life.

Specifications:

• Display: 6000 counts LCD for clear visibility.
• AC Current Range: 50-60Hz (AAC).
• AC Voltage Bandwidth: 50-400Hz (VAC).
• Operating Temperature: 5°C to 40°C (41°F to 104°F).
• Storage Temperature: -20°C to 60°C (-4°F to 140°F).
• Operating Humidity: Maximum 80% relative humidity up to 31°C, decreasing to 50% at 40°C.
• Storage Humidity: Less than 80%.
• Operating Altitude: Up to 7000 feet (2000 meters).
• Safety Rating: Complies with Overvoltage Category III 1000V, suitable for industrial-level measurements.
• Power Supply: Three 1.5V AAA batteries for extended operation.
• Auto Off: Powers down after 30 minutes of inactivity for energy efficiency.

Applications:

• Industrial Maintenance: Ideal for measuring leakage currents and ensuring the efficiency and safety of electrical systems.
• Field Service Work: Compact and easy to handle, making it suitable for use in tight spaces and for professionals on the move.
• Quality Control: Reliable for use in testing and verifying the electrical integrity of devices and components in production settings.

The Metravi HCM Series Leakage Current Clamp Meter combines precision, safety, and ease of use, making it a valuable tool for any professional working with electrical systems.