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Capacitance and ESR (Equivalent Series Resistance) Meter

ESR70
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Features

  • ESR measurement range 0 to 40 Ohm
  • ESR resolution as low as 0.01 Ohm
  • capacitance range 1µF…22mF (22,000µF)
  • can also be used for low-Ohms resistance checking
  • built-in protection circuitry means risk of damage to the
    unit due to residual charge is greatly reduced
  • integrated controlled discharge circuitry reduces the need
    for the user to manually discharge capacitors before test
  • use in or out of circuit for ESR measurement
  • automatic and manual power-off
  • with audible alerts

Specifications

  • Specification Summary at 20°C (68°F) unless otherwise specified
  • peak test current into S/C: ±20mA ~ ±25mA
  • peak test voltage across O/C: ±2.5V ~ ±3.0V
  • capacitance measurement range: 1µF ~ 22,000µF
  • capacitance accuracy: ±4%±0.2µF
  • ESR:
    • measurement range: 0 Ohm ~ 40 Ohm
    • resolution (ESR<2 Ohm): 0.01 Ohm ~ 0.02 Ohm
    • resolution (ESR>2 Ohm): 0.1 Ohm ~ 0.2Ohm
    • accuracy (ESR<2 Ohm): ±1.5% ±0.02 Ohm
    • accuracy (ESR>2 Ohm): ±1.5% ±0.2O
  • abuse voltage: C<10µF ±275V; C>10µF ±50V
  • auto-discharge voltage limit: ±50V
  • battery:
    • type: MN21/GP23A 12V Alkaline
    • voltage range: 8.5V ~ 12V
    • voltage warning threshold: 8.5V
  • inactivity power-down period: 30s
  • dimensions: 103x70x20mm (4.1" x 2.8" x 0.8")
  • operating temperature range: 10°C ~ 40°C (50F ~ 104F)
  • Weight per product (nett): 0.098kg (3.5oz)

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