International

Electrotechnical

Commission

Area: 312: Electrical and electronic measurements - General terms relating to electrical measurements Index language:

Section 312-01: Basic terms
	312-01-01	current circuit
	312-01-02	voltage circuit
	312-01-03	common mode voltage
	312-01-04	series mode voltage
Section 312-02: Types of instruments
	312-02-01	direct-acting instrument
	312-02-02	indirect-acting instrument
	312-02-03	instrument with suppressed zero
	312-02-04	expanded scale instrument
	312-02-05	astatic instrument
	312-02-06	instrument with locking device
	312-02-07	instrument with contacts
	312-02-08	detecting instrument
	312-02-09	analogue (measuring) instrument
	312-02-10	digital (measuring) instrument
	312-02-11	recording (measuring) instrument
	312-02-12	oscilloscope
	312-02-13	oscillograph
	312-02-14	integrating (measuring) instrument
	312-02-15	measuring transducer (with electrical output)
	312-02-16	telemeasuring equipment
	312-02-17	fixed (measuring) instrument
	312-02-18	portable (measuring) instrument
	312-02-19	single range (measuring) instrument
	312-02-20	multi-range (measuring) instrument
	312-02-21	multi-scale (measuring) instrument
	312-02-22	single function (measuring) instrument
	312-02-23	multi-function (measuring) instrument
	312-02-24	multimeter
	312-02-25	measuring instrument with circuit control devices
	312-02-26	differential measuring instrument
	312-02-27	summation instrument
	312-02-28	ratio-meter
	312-02-29	reference source
	312-02-30	(measuring) bridge
	312-02-31	(measuring) potentiometer
	312-02-32	voltage divider
	312-02-33	thermal instrument
	312-02-34	bimetallic instrument
	312-02-35	thermocouple instrument
	312-02-36	rectifier instrument
	312-02-37	vibrating reed instrument
	312-02-38	spectrum analyzer
	312-02-39	wave analyzer
	312-02-40	stabilized supply
	312-02-41	signal generator (for measuring purposes)
	312-02-42	comparator
	312-02-43	reflectometer
	312-02-44	network analyzer
Section 312-03: Accessories
	312-03-01	accessory (of a measuring instrument)
Section 312-04: Component parts
	312-04-01	electrical zero adjuster
	312-04-02	moving element
	312-04-03	register (of an integrating instrument)
Section 312-05: Physical characteristics
	312-05-01	deflecting torque
	312-05-02	restoring torque
	312-05-03	braking torque (of an integrating instrument)
	312-05-04	damping torque
Section 312-06: Electrical characteristics
	312-06-01	critical resistance
	312-06-02	rated insulation voltage
	312-06-03	insulation test voltage
	312-06-04	load characteristic
	312-06-05	stabilization
	312-06-06	attenuation
	312-06-07	gain of a measuring instrument
	312-06-08	asymmetrical input
	312-06-09	asymmetrical output
	312-06-10	symmetrical input
	312-06-11	symmetrical output
	312-06-12	differential input circuit
	312-06-13	earthed input circuit
	312-06-14	earthed output circuit
	312-06-15	floating input circuit
	312-06-16	floating output circuit
	312-06-17	input and output circuits with isolated common point
	312-06-18	input impedance
	312-06-19	output impedance
	312-06-20	impedance to earth
	312-06-21	common mode rejection ratio
	312-06-22	series mode rejection ratio
Section 312-07: Performance
	312-07-01	periodic and/or random deviation
	312-07-02	ripple
	312-07-03	hum
	312-07-04	noise (for a measuring instrument)
	312-07-05	fluctuations
	312-07-06	reliability (performance)