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AMPROBE ALC-110 - Leakage Current Clamp

Leakage Current Clamp


Category : Clamp Meter

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Datasheet User's Manual


Prevent unplanned downtime by detecting leakage currents with the ALC-110 Leakage Current
Clamp. Rated CAT III 600 V to ensure electrical safety, the ALC-110 is designed to resist external
magnetic fields for highly accurate readings.


  • Measure: 
    • Earth and differential leakage currents
    • Leakage currents through the earth (PE) conductor
    • Appliance current consumption without interruptions to the circuit
  • Trace the source of earth leakage current
  • Identify intermittent GFCI trips without switching equipment off
  • Low influence of external magnetic fields
  •  True-rms measurements for accuracy when measuring complex, non-sinusoidal waveforms
  • Mechanical jaw lock to assure accuracy of low current measurements 30 mm (1.2 in) jaw opening
  • Highest resolution of 0.001 mA
  • Measure up to 60 A
  • Broad frequency range 15 Hz to 1 kHz for a variety of different applications
  • Selectable filters:
    • Low Pass 50/60Hz filter to perform measurements on equipment driven by Variable Frequency Drives (VFDs) or affected by high frequency noise
    • Appliance Filter to conduct leakage current measurements on appliances
    • No filter
  • Selectable limits: 0.25 mA, 0.5 mA, 3.5 mA, 10 mA, 12 mA
  • Max readings and hold function
  • CAT III 600 V safety rating



Weight0.9 lb (410 g) with batteries installed
Dimensions (H x W x L)8.7 x 3.5 x 1.8 in (221 x 89 x 48 mm)
EMC complianceIEC/EN 61326-1, IEC/EN 61326-2-2
Safety complianceIEC/EN 61010-1, IEC/EN 61010-2-030, IEC/EN 61010-2-032, IEC/EN 61557-13
Battery life60 hours typical
Battery2x batteries 1.5 V IEC LR03 AAA
Drop proof4 ft (1.2 m)
Vibration requirementacc. IEC 61557-1 clause 4.10
Temperature coefficient0.1 x (specified accuracy) / °C (<21 °C, <25 °C)
Pollution degree2
Storage temperature-4 °F to 140 °F (-20 °C to 60 °C)
Operating altitude≤ 2000 m
Operating temperature32 °F to 86 °F (0 °C to 30 °C), ≤ 80% RH 86 °F to 104 °F (30 °C to 40 °C), ≤ 75% RH 104 °F to 122 °F (40 °C to 50 °C), ≤ 45% RH
Over range indicationOL or -OL
RangeAuto Ranging
DisplayDigital: 6000 counts, updates 5/sec

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