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Brand: Hioki

Leak Current Measurement, an Essential Part of Electrical Safety (for medical-use electrical devices)

Key Features

  • Compliance with IEC 60601-1:2005 Ed 3.0, JIS T 0601-1:2012 for medical-use electrical devices and essential to electrical safety (*1)
  • Compliance with Electrical Appliances and Materials Safety Act, JIS, IEC, and UL standards for general-use electrical devices
  • Uninterrupted polarity switching function dramatically reduces cycle time
  • Support for rated currents up to 20 A gives the instrument more than adequate capability for testing products designed to comply with new standards
  • Communications functionality and external I/O support allow automatic testing on production lines

    Original price was: ₹279,000.Current price is: ₹256,441.

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      Original price was: ₹279,000.Current price is: ₹256,441.

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        Estimated Delivery: Jun 15 – Jun 19
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      Original price was: ₹279,000.Current price is: ₹256,441.


      To ensure the safe use of electrical products, electrical safety tests such as insulation resistance, withstand voltage, ground resistance, and leakage current must always be conducted. Hioki Leakage Current Testers comply with laws and standards regarding medical electrical equipment as well as non-medical electrical equipment, and can be used to measure leakage current in all types of electrical products from computers to medical equipment.
      The ST5540 consists of measurement networks that simulate the human body and a high-frequency volt meter, and is also capable of switching power supply polarities and making measurements under simulated single fault conditions in equipment under test.

      Basic specifications

      Accuracy guaranteed: 1 year
      Measurement methods Measurement of voltage drop across body simulated resistance points, Calculation and display of current values, True rms measurement, Measurement unit floats relative to instrument ground.
      Measurement modes Leak current measurement, voltage measurement, safety conductor current measurement
      Standards compliance (NW: Body simulated resistance) [NW-A] • Electrical Appliances and Materials Safety Act [NW-B1] • Medical electrical equipment: IEC 60601-1:1988+ A1:1993+ A2:1995, JIS T 0601-1:1999 [NW-B2] • Medical electrical equipment: IEC 60601-1:2005+ A1:2012, JIS T 0601-1:2012 and complement 1:2014, IEC 62353 [NW-C] • Measurement of touch current and protective conductor current: IEC 60990:2016 • Electrical equipment for measurement, control, and laboratory use: IEC 61010-1:2010+ A1:2016 • Information technology equipment: IEC60950-1:2005+ A1:2009+ A2:2013 • Audio, video and similar electronic apparatus: IEC 60065:2014 • Personnel Protection Systems for EV: UL 2231-1:2012 (Amended 2016), UL-2231-2:2012 (Amended 2016) [NW-D] • For UL: UL 1492:1996 (Amended 2013) [NW-G] • Electrical equipment for measurement, control, and laboratory use; current measurement circuits in damp conditions: IEC 61010-1:2010+ A1:2016
      Leak current measurement Ground leak current, 3 types of contact current, 7 types of patient leak current, patient measurement current, 4 types of total patient leak current, free current measurement, 3 types of enclosure leak current
      Measurement current DC, AC (true rms, 0.1 Hz to 1 MHz), AC+DC (true rms, 0.1 Hz to 1 MHz), AC peak (15 Hz to 1 MHz)
      Measurement ranges DC / AC / AC+DC mode: 50.00 mA/ 5.000 mA/ 500.0 μA/ 50.00 μA AC peak mode: 75.0 mA/ 10.00 mA/ 1.000 mA/ 500.0 μA
      Measurement accuracy (current measurement) DC measurement: ±2.0% rdg. ±6 dgt. (typ.) AC / AC+DC measurement: ±2.0% rdg. ±6 dgt. (15 Hz to 100 kHz, typ.) AC peak measurement: ±2.0% rdg. ±6 dgt. (15 Hz to 10 kHz, typ.)
      Interfaces External I/O, medical device relay output, USB 1.1 (communications), RS-232C
      Functionality 110% voltage application, automatic test, data storage for 100 target devices, clock, data backup, printed output (optional), etc.
      Power supply 100/120/220/240 V AC (specify at time of order), 50/60 Hz, 30 VA rated power
      Target device power supply input 100 to 250 V AC, 50/60 Hz Rated current input from terminal block: 20 A
      Target device power supply output Output from terminal block: 20 A Output from outlet: 15 A
      Dimensions and mass 320 mm (12.60 in)W × 110 mm (4.33 in)H × 253 mm (9.96 in)D, 4.5 kg (158.7 oz)
      Included accessories Test lead L2200 (for ST5540, Red ×2, Black ×1) ×1 set, Enclosure probe 9195 ×1, Power cord ×3, Spare fuse for measurement line ×1, Instruction manual ×1, CD-ROM ×1

      ST5540, ST5541 List of functions (Network)

      Item ST5540 ST5541
      Network A (Electrical Appliances and Materials Safety Act)
      Network B (Medical-use electrical devices) -
      Network C (IEC 60990)
      Network D (UL)
      Network E (General-purpose 1)
      Network F (General-purpose 2)
      Network G (IEC 61010-1)

      List of functions (Major functions)

      Item ST5540 ST5541
      Power on polarity switching function
      Rated current 20 A
      Function for checking for blown fuses
      Frequency band switching -
      110% voltage output terminal (T3 terminal) -
      S10, S12, S13, E terminal -

      List of functions (Testing leakage current mode)

      Item ST5540 ST5541
      Earth leakage current
      Touch current
      Patient auxiliary current -
      Patient leakage current -
      Total patient leakage current -
      Free current
      Enclosure - Earth leakage current
      Enclosure - Enclosure leakage current
      Enclosure - Line leakage current
      Patient leakage current I -
      Patient leakage current II -
      Patient leakage current III -

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