Appliance tester regarding EN 62638 (DGUV Vorschrift 3) BEN-NING ST 725

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Product description

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Appliance Tester BENNING ST 725


Mains-operated and battery-operated Appliance Tester for mo-bile testing of electrical devices

     

  • mobile - network-independent testing due to battery opera-tion

  • easy - operation by means of push-buttons

  • quick - testing within a few seconds

  • all-in-one - protective conductor current measurement by means of differential current or alternative leakage current measurement method

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Testing of devices with mains voltage-dependent switching ele-ments/ mains supply units/ relays such as controlled devic-es/tools, devices of information and communication technology as well as of devices which can be tested completely with mains volt-age only.


In mains operating mode, the protective conductor current/ contact current is measured by means of the required differential cur-rent/direct measurement method.

Contact details

Benning Elektrotechnik und Elektronik GmbH & Co. KG

Münsterstr. 135-137
46397 Bocholt
Germany

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New product features

  • Storage locations for 999 test samples
  • 3 hot keys for storing, calling and printing the measured values
  • mini-USB interface and download software for the preparation of test certificates in MS Excel®
  • direct printing function for printing test certificates on site by means of optional printer BENNING PT 1
  • prolonged functional test and differential current measurement (max. 2 x 5 minutes)
  • integrated real-time clock for storing the measured values including the test date


Features

  • automatic testing procedure for devices of class I (key 1), class II/III (key 2) and line test (key 1)
  • testing of cable reels, multiple distributors and device connecting cables with IEC connector
  • measuring result with "PASS / FAIL" indication
  • limiting values preset
  • mains operating mode for tests under operating conditions
  • battery operating mode for mobile testing
  • reduction of the ISO testing voltage for devices with over-voltage arresters
  • indication of correct function key in case of incorrect operation, overload and if the test sample is not switched on
  • sufficient battery capacity for more than 2,500 test samples


Measuring functions

  • protective conductor resistance with a pulsed testing cur-rent of ≥ 200 mA (required in case of oxidized contacts
  • insulating resistance with a testing voltage of 250 V and 500 V
  • mains operating mode: protective conductor cur-rent/contact current by means of differential current/direct measurement method with automatic mains pole reversal
  • battery operating mode: protective conductor current/contact current by means of alternative leakage current measurement method
  • active testing of three-phase devices under operating con-ditions by means of optional measuring adapters (item no. 044140/044141)
  • testing of permanently installed and portable 30 mA RCDs/PRCDs with tripping time measurement
  • voltage measurement on external shock-proof socket

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