17.220.20 Measurement of electrical and magnetic quantities

Displaying 169-180 of 309 results.

LVS EN 61557-16:2015

standard

EN
Elektrodrošums zemsprieguma sadales sistēmās maiņspriegumam līdz 1000 V un līdzspriegumam līdz 1500 V. Aizsarglīdzekļu testēšanas, mērīšanas un pārraudzīšanas aparatūra. 16.daļa: Aparatūra elektriskās aparatūras un/vai elektriskās medicīnas aparatūras aizsarglīdzekļu efektivitātes testēšanai (IEC 61557-16:2014)
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17.61 €

LVS EN 61557-2:2002

standard

EN
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 2: Insulation resistance
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10.02 €

LVS EN 61557-2:2007

standard

EN
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 2: Insulation resistance
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11.25 €

LVS EN 61557-3:2002

standard

EN
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedance
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12.14 €

LVS EN 61557-3:2007

standard

EN
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedance
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12.14 €

LVS EN 61557-4:2002

standard

EN
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 4: Resistance of earth connection and equipotential bonding
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11.25 €

LVS EN 61557-4:2007

standard

EN
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 4: Resistance of earth connection and equipotential bonding
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11.25 €

LVS EN 61557-5:2002

standard

EN
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 5: Resistance to earth
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11.25 €

LVS EN 61557-5:2007

standard

EN
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 5: Resistance to earth
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11.25 €

LVS EN 61557-6:2003

standard

EN
Electrical safety in low voltage distribution systems up to 1 kV a.c. and 1,5 kV d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 6: Residual current devices (RCD) in TT, TN and IT systems
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12.14 €

LVS EN 61557-6:2008

standard

EN
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 6: Effectiveness of residual current devices (RCD) in TT, TN and IT systems
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13.05 €

LVS EN 61557-7:2002

standard

EN
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 7: Phase sequence
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11.25 €