Code | Purpose or task of object | Examples of terms describing purpose or task of objects and functions | Examples of typical mechanical/fluid products | Examples of typical electrical products |
A | Two or more purposes or tasks NOTE This class is only for objects for which no main purpose or task can be identified. | | | Touch screen |
B | Converting an input variable (physical property, condition or event) into a signal for further processing | Detecting Measuring (picking-up of values) Monitoring Sensing Weighing (picking-up of values) | Orifice plate (for measuring) Sensor | Buchholz relay Detector Fire detector Gas detector Measuring element Measuring relay Measuring shunt Measuring transformer Microphone Movement detector Photocell Pilot switch Position switch Proximity switch Proximity sensor Protective relay Sensor Smoke sensor Tachogenerator Temperature sensor Thermal overload relay Video camera |
C | Storing material, energy, or information | Recording Storing | Barrel Buffer Cistern Container Hot water accumulator Paper reel stand Pressure accumulator Steam accumulator Tank Vessel | Buffer (store) Buffer battery Capacitor Event recorder (mainly storing) Hard disk Memory RAM Storage battery Tape recorder (mainly storing) Video recorder (mainly storing) Voltage recorder (mainly storing) |
D | Reserved for future standardization | | | |
E | Providing radiant or thermal energy | Cooling Heating Lighting Radiating | Boiler Freezer Heater Gas lamp Heat exchanger Nuclear reactor Paraffin lamp Radiator Refrigerator | Boiler Fluorescent lamp Heater Lamp Lamp bulb Laser Luminaire Maser Radiator |
F | Direct protection (selfacting) of a flow of energy, signals, personnel or equipment from dangerous or unwanted conditions Including systems and equipment for protective purposes | Absorbing Guarding Preventing Protecting Securing Shielding | Air bag Buffer Fence Guard Pipe-break valve Rupture disc Safety belt Safety valve Shield Vacuum valve | Cathodic protection Anode Faraday cage Fuse Miniature circuit-breaker Surge diverter Thermal overload release |
G | Initiating a flow of energy or material Generating signals used as information carriers or reference source Producing a new kind of energy, material or product | Assembling Crushing Disassembling Generating Fractionating Material removing Milling Mixing Producing Pulverizing | Blower Component insertion mac hine Conveyor, (driven) Crusher Fan Mixer Pump Vacuum pump Ventilator | Dry cell battery Dynamo Fuel cell Generator Power generator Rotating generator Signal generator Solar cell Wave generator |
H | Reserved for future standardization | | | |
I | Not to be applied | – | – | – |
J | Reserved for future standardization | | | |
K | Processing (receiving, treating and providing) signals or information (excluding objects for protective purposes, see class F) | Closing(control circuits) Continuous controlling Delaying Opening (control circuits) Postponing Switching (control circuits) Synchronizing | Fluid feedback controller Pilot valve Valve positioner | All-or-nothing relay Analogue integrated circuit Automatic paralleling device Binary integrated circuit Contactor relay CPU Delay element Delay line Electronic valve Electronic tube Feedback controller Filter Induction stirrer Microprocessor Process computer Programmable controller Synchronizing device Time relay Transistor |
L | Reserved for future standardization | | | |
M | Providing mechanical energy (rotational or linear mechanical motion) for driving purposes | Actuating Driving | Combustion engine Fluid actuator Fluid cylinder Fluid motor Heat engine Mechanical actuator Spring-loaded actuator Turbine Water turbine Wind turbine | Actuator Actuating coil Electric motor Linear motor |
N | Reserved for future standardization | | | |
O | Not to be applied | – | – | – |
P | Presenting information | Alarming Communicating Displaying Indicating Informing Measuring (presentation of quantities) Presenting Printing Warning | Acoustical signal device Balance (for weighing) Bell Clock Display unit Flow meter Gas meter Glass gauge Manometer Mechanical indicator Printer Sight glass Thermometer Water meter | Acoustical signal device Ammeter Bell Clock Continuous line recorder Display unit Electromechanical indicator Event counter Geiger counter LED Loudspeaker Optical signal device Printer Recording voltmeter Signal lamp Signal vibrator Synchronoscope Voltmeter Wattmeter Watt-hour meter |
Q | Controlled switching or varying a flow of energy, of signals or of material (For signals in control circuits, see classes K and S) | Opening (energy, signals and material flow) Closing (energy, signals and material flow) Switching (energy, signals and material flow) Clutching | Brake Control valve Clutch Door Flap Gate Shut-off valve Shutter Sluice-gate Lock | Circuit-breaker Contactor (for power) Disconnector Fuse switch Fuse-switch-disconnector Motor starter Power transistor Slip-ring short-circuiter Switch (for power) Thyristor (If main purpose is protection, see class F) |
R | Restricting or stabilizing motion or a flow of energy, information or material | Blocking Damping Restricting Limiting Stabilizing | Blocking device Check (non-return) valve Damping device Detent Interlocking device Latching device Orifice plate (restricting a flow) Pressure control valve Restrictor Shock absorber Silencer Trip-free mechanism | Diode Inductor Limiter Resistor |
S | Converting a manual operation into a signal for further processing | Influencing Manually controlling Selecting | Push-button valve Selector switch | Control switch Discrepancy switch Keyboard Light pen Mouse Push-button switch Selector switch Set-point adjuster |
T | Conversion of energy maintaining the kind of energy Conversion of an established signal maintaining the content of information Conversion of the form or shape of a material | Amplifying Modulating Transforming Casting Compressing Converting Cutting Material deforming Expanding Forging Grinding Rolling Size enlargement Size reduction Turning | Fluid amplifier Gear box Measuring transducer Measuring transmitter Pressure intensifier Torque converter Casting machine Drop forge Grinder (size reduction) Lathe Saw | AC/DC converter Amplifier Antenna Demodulator Frequency changer Measuring transducer Measuring transmitter Modulator Power transformer Rectifier Rectifier station Signal converter Signal transformer Telephone set Transducer |
U | Keeping objects in a defined position | Bearing Carrying Holding Supporting | Beam Bearing Block Cable ladder Cable tray Console Corbel Fixture Foundation Hanger Insulator Mounting plate Mounting rack Pylon Roller bearing | Insulator |
V | Processing (treating) of material or products (including preparatory and post-treatment) | Coating Cleaning Dehydrating Derusting Drying Filtering Heat treatment Packing Preconditioning Recovering Re-finishing Sealing Separating Sorting Stirring Surface treatment Wrapping | Centrifuge Degreasing equipment Dehydrating equipment Filter Grinder (surface treatment) Packing machine Rake Separator Sieve Varnishing automat Vacuum cleaner Washing machine Wetting | Filter |
W | Guiding or transporting energy, signals, material or products from one place to another | Conducting Distributing Guiding Leading Positioning Transporting | Conveyor (not driven) Duct Hose Ladder Link (mechanical) Mirror Roller table (not driven) Pipe Shaft Shuttle | Busbar Cable Conductor Information bus Optical fibre Through bushing Waveguide |
X | Connecting objects | Connecting Coupling Joining | Flange Hook Hose fitting Pipeline fitting Quick-release coupling Shaft coupling Terminal block | Connector Plug connector Terminal Terminal block Terminal strip |
Y | Reserved for future standardization | | | |
Z | Reserved for future standardization | | | |