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 1: General requirements (IEC 61557-1:2007).
€69.00
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 (IEC 61557-2:2007).
€54.00
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 (IEC 61557-3:2007).
€59.00
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 (IEC 61557-4:2007).
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 5: Resistance to earth (IEC 61557-5:2007).
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 7: Phase sequence (IEC 61557-7:2007).
€58.00
Measurement of DC magnetic, AC magnetic and AC electric fields from 1 Hz to 100 kHz with regard to exposure of human beings - Part 1: Requirements for measuring instruments
€104.00
Power quality measurement in power supply systems - Part 1: Power quality instruments (PQI)
€83.00
Power quality measurement in power supply systems - Part 2: Functional tests and uncertainty requirements
€154.00
LABORATORY D.C. RESISTORS
€64.00
€28.00
LABORATORY RESISTORS. PART 2: LABORATORY A.C. RESISTORS
€61.00
€26.00
DIRECT-CURRENT POTENTIOMETERS.
DIRECT-CURRENT POTENTIOMETERS
