ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
G01R0023177000 Analysis of very low frequencies 1
G01R0023180000 with provision for recording frequency spectrum 1
G01R0023200000 Measurement of non-linear distortion 1
G01R0025000000 Arrangements for measuring phase angle between a voltage and a current or between voltages or currents 1
G01R0025020000 in circuits having distributed constants 1
G01R0025040000 involving adjustment of a phase shifter to produce a predetermined phase difference, e.g. zero difference 1
G01R0025060000 employing quotient instrument 1
G01R0025080000 by counting of standard pulses 1
G01R0027000000 Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom 1
G01R0027020000 Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant (by measuring phase angle only G01R0025000000) 1
G01R0027040000 in circuits having distributed constants 1
G01R0027060000 Measuring reflection coefficients; Measuring standing-wave ratio 1
G01R0027080000 Measuring resistance by measuring both voltage and current 1
G01R0027100000 using two-coil or crossed-coil instruments forming quotient 1
G01R0027120000 using hand generators, e.g. meggers 1