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Ht Italia SIRIUS 87 Multifunction Installation Tester

SIRIUS 87 from HT Italia is a model for performing all tests on electrical installations. Inside this model are integrated new fundamental features, including the possibility to perform Loop Impedance (P-P, P-N, P-PE) at high resolution (0.1mOhms) with the use of the IMP57 optional accessory. SIRIUS 87 also performs RCD tests, insulation tests and ground resistance testing using supplied earth rods and cables. Thanks to its PC interface and powerful software you will create accurate documents for reporting professionally to your customers.


  • Continuity test with 200mA
  • Insulation resistance
  • Tripping time and current of RCDs type A, AC and selective
  • Short circuit loop impedance for PN-PE-PP tests
  • Loop Impedance measurement at high resolution 0.1 mOhm (with IMP57 optional accessory).
  • Global earth resistance  without RCDs tripping
  • Contact voltage
  • Earth resistance with rods
  • Ground resistivity
  • Phase sequence indication
  • Voltage and Frequency measure
  • RS-232 output for PC connection
  • AutoPower OFF

Included accessories:

  • C2033X: 3-wire cable with plug
  • KITGSC5:  kit of 4 cables, 4 alligators, 2 test leads
  • KITTERRNE: set of 4 cables, 4 earth rods
  • TOPVIEW2006: Windows software + optical/USB cable C2006
  • BORSA2050: carrying case
  • ISO9000 calibration certificate
  • User manual

Optional accessories:

  • CN0050: kit to hang the instrument on the neck
  • 1066-IECN:connector for banana cables, 4mm, black
  • 1066-IECR:connector for banana cables, 4mm, red
  • IMP57 accessory for Z Loop test at high resolution
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