Tham khảo tài liệu 'instrumentation symbols and identification part 4', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | ANSI R 1992 Table 2 Typical Letter Combinations First-Letters Initiating or Measured Vaiable Controllers Readout Devices Switches and Alarm Devices Transmitters Solenoids Relays Computing Devices Primary Element Test Point Well or Probe Viewing Device Glass Safety Device Final Element Recording Indicating Blind Self-Actuated Control Valves Recording Indicating High Low Comb Recording Indicating Blind A Analysis ARC AIC AC AR Al ASH ASL ASHL ART AIT AT AY AE AP AW AV B Burner Combustion BRC BIC BC BR Bl BSH BSL BSHL BRT BIT BT BY BE BW BG BZ c User s Choice D User s Choice E Voltage ERC EIC EC ER El ESH ESL ESHL ERT EIT ET EY EE EZ F Flow Rate FRC FIC FC FCV FR Fl FSH FSL FSHL FRT FIT FT FY FE FP FG FV FICV FQ Flow Quantity FQRC FQIC FQR FQI FQSH FQSL FQIT FQT FQY FQE FQV FF Flow Ratio FFRC FFIC FFC FFR FFI FFSH FFSL FE FFV G User s Choice H Hand HIC HC HS HV I Current IRC lie IR II ISH ISL ISHL IRT IIT IT IY IE IZ J Power JRC JIC JR JI JSH JSL JSHL JRT JIT JT JY JE JV K Time KRC KIC KC KCV KR KI KSH KSL KSHL KRT KIT KT KY KE KV L Level LRC Lie LC LCV LR LI LSH LSL LSHL LRT LIT LT LY LE LW LG LV M User s Choice N User s Choice 0 User s Choice p Pressure PRC PIC PC PCV PR PI PSH PSL PSHL PRT PIT PT PY PE pp PSV PV Vacuum PSE PD Pressure PDRC PDIC PDC PDCV PDR PDI PDSH PDSL PDRT PDIT PDT PDY PE pp PDV Differential Q Quantity QRC QIC QR QI QSH QSL QSHL QRT QIT QT QY QE QZ R Radiation RRC RIC RC RR Rl RSH RSL RSHL RRT RIT RT RY RE RW RZ s Speed Frequency SRC SIC SC sev SR SI SSH SSL SSHL SRT SIT ST SY SE SV T Temperature TRC TIC TC TCV TR Tl TSH TSL TSHL TRT TIT TT TY TE TP TW TSE TV TD Temperature TDRC TDIC TDC TDCV TDR TDI TDSH TDSL TDRT TDIT TDT TDY TE TP TW TDV Differential u Multivariable UR Ul UY uv V Vibration Machinery VR VI VSH VSL VSHL VRT VIT VT VY VE vz Analysis w Weight Force WRC WIC wc wcv WR Wl WSH WSL WSHL WRT WIT wr WY WE wz WD Weight Force WDRC WDIC WDC WDCV WDR WDI WDSH WDSL WDRT WDIT WDT WDY WE WDZ Differential X Unclassified Y Ev e
