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)
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
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
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
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
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
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
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
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
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
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
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
11.25 €