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  • 2018-04-07 08:15:57

    works wel. type ZC25-4 is deliverd, the -1 is 100V, -2 is 250V and -3 = 500V. Checked ist with AVO and scope with 1:100 probe. Output voltage is 1000 VDC at 1000 VDC range of AVO; de measured value is 20 MOhm, just the internal resistance of the AVO. At 3000 VDC the measured value is 60 Mohm. With the Philips PM3065B I measured 1000VDC with 1000Vtt AC ripple. Frequency 345 C/s.

  • 2019-07-03 06:47:59

    Item as ordered. Tested meter and works great. Would recommend this item,Electronic Engineer.

  • Richard
    2020-01-15 10:56:41

    Perfect apparaat, nieuw en toch uit de oude doos . Dat doet me nog eens denken aan mijn jonge jaren . Ik geef er een 9 voor.

  • Francis
    2020-01-22 06:15:18

    Be carefull high tension delivred

  • Marty
    2016-08-01 09:58:33

    A nicely finished and presented Insulation tester. I was initially doubtful that the hand-cranked magneto would generate 1000 V but connecting it to my old Avo and turning the crank fast gave a full scale deflection on the 1000 Volt DC range so it works fine. This is an economical alternative to an Evershed & Vignolles Megger Tester and is suitable for the home and professional electrician to check house wiring, motor winding insulation, 'leaky' elements in kettles, immersion heaters etc. My only

    Reacties (1)
  • 2017-11-20 15:23:46

    Good tester, but full plastic. Manual: Insulation tester 1. Turn the handle icreasing the speed until the clutch slip at 120 R.P.M approx. to get an accurate & steady reading. 2. For an insulation test between conductors: Connect to terminals "Line" & "Earth" separately. 3. For an Earth test: Connect the "Line" terminal to the circuit & the "Earth" terminal to a good Earth. 4. For high resistance test: The "guard" sould be connected to the inner insulation between the terminals to prevent

    Reacties (1)
  • Menno
    2018-01-09 15:36:39

    Both testers were used to test and solve problem with a 3 phase motor with intermittend shorts. Fault isolated and engine back in service

  • 2016-03-24 14:42:23

    parfait, correspond parfaitement à l'annonce, bien en ordre

    Reacties (1)
  • 2017-11-16 12:07:12


  • cherkey
    2016-12-07 15:14:57

    Item as ordered. Tested meter and works great. Would recommend this item. JR Electronic Engineer.


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