| ReturnTo Theme-Group-Choice | Onelevelup |
| 2F014 | MEASUREMENT OF LEVELS OF LIQUIDS OR FLUENT SOLID MATERIALS | |
| G01F23/00 -23/00@Z;23/14-23/2965;23/80 | ||
| G01F23/00-23/00@Z;23/14-23/296@Z;G01F23/80 | AA | AA00 PURPOSE OR EFFECT |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | AA07 | AA08 | AA09 | AA10 |
| . Countermeasures against liquid level variations | . . Processing by circuits | . Linearization | . Temperature compensation | . Calibration | . Matching between liquid surface level and residual quantity | . Multipoint detection | . Sounding type | . Liquid level follow-up type | . Cleaning sensors | |||
| AA11 | AA12 | AA13 | AA14 | AA15 | AA16 | AA17 | ||||||
| . Waterproofing or airtight sealing | . Electric or magnetic shields | . Vibration isolation | . Repair inspection or exchange of parts | . Cooling sensors | . Preventing wear of sensors | . Sensors provided with fluid flow pipes | ||||||
| G01F23/00-23/00@Z;23/14-23/296@Z | AB | AB00 CONSTITUENT ELEMENT |
AB01 | AB02 | AB03 | AB04 | ||||||
| . Means for mounting sensors | . Structures or shapes of detection elements per se | . Materials of detection elements per se | . Means for mounting detection elements per se | |||||||||
| AC | AC00 USE AND OBJECT TO BE MEASURED |
AC01 | AC02 | AC03 | AC04 | AC05 | AC06 | AC07 | ||||
| . for baths | . for liquefied gases | . for boiling liquid for boilers | . for automobiles | . for nuclear reactors | . for molten metals | . for powders and granules | ||||||
| G01F23/14-23/18 | BA | BA00 USING PRESSURE FOR MEASUREMENT |
BA01 | BA02 | BA03 | BA10 | ||||||
| . Purging type | . . Discharging into objects to be measured | . Differential pressure detection type | . Others | |||||||||
| G01F23/22@A-23/22@B | CA | CA00 USING TEMPERATURE CHANGE FOR MEASUREMENT |
CA01 | CA02 | CA03 | CA10 | ||||||
| . Super conduction type | . Thermistor type | . Thermocouple type | . Others | |||||||||
| G01F23/22@H-G01F23/22@Z | CB | CB00 USING CHANGE IN PHYSICAL VARIABLE |
CB01 | CB02 | CB10 | |||||||
| . Vibration detection type | . Mechanical resistance detection type | . Others | ||||||||||
| G01F23/24 | DA | DA00 USING ELECTRIC RESISTANCE CHANGE FOR MEASUREMENT |
DA01 | DA02 | DA03 | DA10 | ||||||
| . Short-circuit type | . Resistance type | . Electrochemical electromotive force type | . Others | |||||||||
| G01F23/263 | EA | EA00 USING CAPACITY CHANGE FOR MEASUREMENT |
EA01 | EA02 | EA03 | EA04 | EA05 | EA10 | ||||
| . using oscillation circuits | . . detecting oscillation being on or off | . . detecting changes in frequencies | . . detecting changes in Q values | . . using beats | . Others | |||||||
| G01F23/26@B | EB | EB00 USING INDUCTANCE CHANGE FOR MEASUREMENT |
EB01 | EB02 | EB03 | EB04 | EB05 | EB06 | EB07 | EB10 | ||
| . Eddy current type | . using oscillation circuits | . . detecting oscillation being on or off | . . detecting changes in frequencies | . . detecting changes in Q values | . . detecting beats | . Differential coupling type | . Others | |||||
| G01F23/292-292@Z | FA | FA00 USING LIGHT FOR MEASUREMENT |
FA01 | FA02 | FA03 | FA04 | FA10 | |||||
| . Reflection type | . using differences in refractive indices | . using differences in absorbency | . using TV camera | . Others | ||||||||
| G01F23/296-2965 | FB | FB00 USING ULTRASONIC WAVE FOR MEASUREMENT |
FB01 | FB02 | FB03 | FB04 | FB10 | |||||
| . Sonar type | . . using conductors | . . detecting beats | . using differences in absorbency | . Others | ||||||||
| G01F23/284 | FC | FC00 USING ELECTROMAGNETIC WAVE FOR MEASUREMENT |
FC01 | FC02 | FC10 | |||||||
| . Radar type | . . using beats | . Others | ||||||||||
| G01F23/288 | FD | FD00 USING RADIATION |
FD01 | FD10 | ||||||||
| . Radiation sources to be displaced | . Others | |||||||||||
| G01F23/00-23/00@Z;G01F23/80 | GA | GA00 GENERAL |
GA01 | GA02 | GA03 | GA04 | GA05 | GA10 | ||||
| . Signal processing | . using weights or sounding rods | . Bath buzzers | . Indication | . using sounds | . Others |