AUTOOL BT270 Leakage Current Clamp Meter with 1mA Resolution with 99-Set Data Memory

The AUTOOL BT270 Clamp Meter is a compact and accurate tool for checking AC/DC leakage and charging current in vehicles and electrical systems. It measures from 0mA to 60A with 1mA resolution, stores up to 99 readings, and automatically distinguishes AC/DC current. Ideal for quick, reliable diagnostics in workshops or field use.

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Key Features

• Automatic AC/DC recognition – no manual switching required
• Wide measuring range: 0mA to 60A
• High 1mA resolution for accurate readings
• Stores up to 99 data sets for future reference
• Backlit LCD screen for clear visibility
• One-button zeroing function
• Auto power-off after 5 minutes of inactivity

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Functions

• Leakage current measurement (AC and DC)
• Charging current measurement
• Data hold and recall
• Over-range indication (OL display)

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Technical Specifications

• Measuring Range: 0mA – 60A AC/DC
• Resolution: 1mA
• Accuracy: ±2%rdg ±5dgt (23°C ±5°C, <75%RH)
• Sampling Rate: 2 times/second
• Frequency Range: AC 45Hz – 400Hz
• Clamp Size: 16 × 18 mm
• Maximum Voltage: ≤600V
• Data Memory: 99 sets
• Insulation: AC 3700V rms
• Operating Humidity: <80%RH
• Power Supply: 9V dry battery
• Dimensions: 215 × 47 × 32 mm (front), 61 mm (rear grip)

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What’s in the Box

• 1 × AUTOOL BT270 Clamp Meter
• 1 × Carry Case
• 1 × User Manual

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User Manual
Download User Manual