Direct acting indicating analogue electrical measuring instruments and their accessories; part 1: definitions and general requirements common to all parts (IEC 60051-1:1984, edition 4); german version EN 60051-1:1989— 26 стр.
Direct acting indicating analogue electrical measuring instruments and their accessories; part 2: special requirements for ammeters and voltmeters (IEC 60051-2:1984, edition 4); german version EN 60051-2:1989— 7 стр.
Direct acting indicating analogue electrical measuring instruments and their accessories; part 3: special requirements for wattmeters and varmeters (IEC 60051-3:1984, edition 4); german version EN 60051-3:1989— 8 стр.
Direct acting indicating analogue electrical measuring instruments and their accessories; part 4: special requirements for frequency meters (IEC 60051-4:1984, edition 4); german version EN 60051-4:1989— 6 стр.
Direct acting indicating analogue electrical measuring instruments and their accessories; part 5: special requirements for phase meters, power factor meters and synchroscopes (IEC 60051-5:1985, edition 4); german version EN 60051-5:1989— 7 стр.
Direct acting indicating analogue electrical measuring instruments and their accessories; part 6: special requirements for ohmmeters (impedance meters) and conductance meters (IEC 60051-6:1984, edition 4); german version EN 60051-6:1989— 5 стр.
Direct acting indicating analogue electrical measuring instruments and their accessories; part 7: special requirements for multi-function instruments (IEC 60051-7:1984, edition 4); german version EN 60051-7:1989— 5 стр.
Direct acting indicating analogue electrical measuring instruments and their accessories; part 8: special requirements for accessories (IEC 60051-8:1984, edition 4); german version EN 60051-8:1989— 6 стр.
Direct acting indicating analogue electrical measuring instruments and their accessories; part 9: recommended test methods (IEC 60051-9:1988, edition 4); german version EN 60051-9:1989— 24 стр.
Basic concepts in metrology; Terminology relating to the uncertainty of measurement and the assessment of measuring instruments and measuring equipment— 14 стр.
Direct acting indicating analogue electrical measuring instruments and their accessories; part 3: special requirements for wattmeters and varmeters (IEC 60051-3:1984, edition 4); german version EN 60051-3:1989— 8 стр.
Direct acting indicating analogue electrical measuring instruments and their accessories; part 4: special requirements for frequency meters (IEC 60051-4:1984, edition 4); german version EN 60051-4:1989— 6 стр.
Direct acting indicating analogue electrical measuring instruments and their accessories; part 1: definitions and general requirements common to all parts (IEC 60051-1:1984, edition 4); german version EN 60051-1:1989— 26 стр.
Direct acting indicating analogue electrical measuring instruments and their accessories; part 9: recommended test methods (IEC 60051-9:1988, edition 4); german version EN 60051-9:1989— 24 стр.
Measuring and control; electrical measuring instruments; terminal markings for switchboard meters, panel meters and measuring transducers for the measurement of power and power factor— 11 стр.
Testing of semiconductor materials; measurement of the resistivity of silicon or germanium single crystals by means of the four probe/direct current method with collinear array— 5 стр.
Testing of Steel; Method for Determination of the Magnetic Properties of Electrical Steel Sheet and Strip in the 25 cm Epstein Square; Determination of the Commutation Values of the Magnetic Polarization and the Remanent Induction in a Continuous Magnetic Field— 3 стр.
Testing of Steel; Method for Determining the Magnetic Properties of Electrical Sheet and Strip in the 25 cm Epstein Square; Determination of Total Loss in an Alternating Magnetic Field Using the Bridge Method— 5 стр.
Testing of steel; method for determination of magnetic properties of electrical sheet and strip in the 25 cm Epstein frame; determination of the total loss— 3 стр.
Testing of steel; method for determination of magnetic properties of electrical sheet and strip in the 25 cm Epstein frame; determination of magnetic polarisation and magnetic flux density in an alternating magnetic field— 3 стр.
Testing of steel; method for determination of magnetic properties of electrical sheet and strip in the 25 cm Epstein frame; determination of the specific apparent power— 3 стр.
Testing of steel; method for determination of magnetic properties of electrical sheet and strip in the 25 cm Epstein frame; determination of the commutation values of magnetic polarization and the remanent flux density in a continuous magnetic field— 3 стр.
Testing of semi-conducting inorganic materials; measurement of the electrical resistivity of silicon or germanium single crystals in bars by means of the two-point-probe direct current method— 4 стр.
Testing of semi-conducting inorganic materials; measurement of the electrical resistivity of silicon or germanium single crystals by means of the four-point-probe direct current method with collinear four probe array— 5 стр.
Tendering and performance stipulations in contracts for construction works (VOB); part C: general technical specifications in contracts for construction works (ATV); installation of pipework for gas, water and drainage services— 13 стр.
Tendering and performance stipulations in contracts for construction works (VOB); part C: general technical specifications in contracts for construction works (ATV); installation of central heating systems and hot water supply systems— 20 стр.
Tendering and performance stipulations in contracts for construction works (VOB); part C: general technical specifications in contracts for construction works (ATV); installation of air conditioning systems— 22 стр.
Direct acting indicating analogue electrical measuring instruments and their accessories; part 8: special requirements for accessories (IEC 60051-8:1984, edition 4); german version EN 60051-8:1989— 6 стр.
Direct acting indicating analogue electrical measuring instruments and their accessories; part 6: special requirements for ohmmeters (impedance meters) and conductance meters (IEC 60051-6:1984, edition 4); german version EN 60051-6:1989— 5 стр.
Direct acting indicating analogue electrical measuring instruments and their accessories; part 7: special requirements for multi-function instruments (IEC 60051-7:1984, edition 4); german version EN 60051-7:1989— 5 стр.
Direct acting indicating analogue electrical measuring instruments and their accessories; part 5: special requirements for phase meters, power factor meters and synchroscopes (IEC 60051-5:1985, edition 4); german version EN 60051-5:1989— 7 стр.
Direct acting indicating analogue electrical measuring instruments and their accessories; part 2: special requirements for ammeters and voltmeters (IEC 60051-2:1984, edition 4); german version EN 60051-2:1989— 7 стр.