顶级元素出现在Alicat部件号中的正斜杠（/）之前，如下例所示。MCRWD-40SLPM-TFTRD-DB15-MODBUS-485-54X54-SAE-EPDM-CC
Primary Instrument Types L Liquid flow meter M Gas mass flow meter P Pressure gauge Secondary Instrument Types 3 Remote pressure sense port AS Low-range pressure sensor B Battery-powered C Flow or pressure controller D Dual valves E Enclosed valve H Hammerhead valves P Large Pneutronics valve Q High pressure gas flow R High-flow Rolamite valve S Stainless sensor for corrosives V Enclosed valve plus pneumatic shutoff valve W Whisper™ low pressure drop
2INH2OD Differential pressure range 2INH2OG Gauge pressure range #CCM Liquid flow range (ccm) EXTSEN External pressure sensor #LPM Liquid flow range (lpm) #PSIA Absolute pressure range (psi) #PSID Differential pressure range (psi) #PSIG Gauge pressure range (psi) #SCCM Gas flow range (sccm) #SLPM Gas flow range (slpm)
D Backlit monochrome O No display RD Backlit monochrome remote display TFT Backlit color TFTRD Backlit color remote display
[no notation] RS-232 over 8-pin mini-DIN 485 RS-485 protocol DB9x 9-pin D-sub with x pinout DB15x 15-pin D-sub with x pinout DB15HD High-density 15-pin D-sub DNET DeviceNet EIP Ethernet/IP I 6-pin locking DIN plus 8-pin mini-DIN IO 6-pin locking DIN only ISC 4-pin locking DIN for external sensor MODBUS Modbus-RTU PROFIBUS Profibus DP-V1 RJ45 8-pin RJ45
[no notation] Default valve (controllers) BV Integrated bleed valve DS Downstream valve position NO Normally open valve PAR Rolamite valve parallel wound coil PCA# ASCO Numatics valve orifice size PCV# Small Pneutronics valve orifice size RV Detached remote valve SV Small Pneutronics stainless valve #X# Rolamite valve hole pattern
[no notation] NPT threads, Viton elastomers 30PSIA Low-range sensor for gas flow #BSP British Standard Pipe threads CC Conformal coating #COMP Welded compression fittings DPORT Down port connections EPDM EPDM elastomers FFKM FFKM/Calrez elastomers IB Integrated barometer IP# Ingress protection rating IPC Integrated potentiometer control NESSI NeSSI-compatible flow body #NPT non-standard NPT threads REMOTE Remote electronics assembly SAE SAE threads SG Separate ground SILICONE Silicone elastomers TMDPORT Top-mount down port #VCR Welded VCR fittings #VCO Welded VCO fittings VITON FKM/Viton elastomers X CSA Class 1 Division 2/ATEX Zone 2
加法器码出现在Alicat部件号中的正斜杠（/）之后，如下例所示。 / CM，102P，RIN，CIN，气体：CH4，范围：85 SCFH，TOT（99999.99 SCF），CLV，PU：V，BAUD：38400，STP：20°C，CPNT（5,10），DS，17025LF
Analog Outputs 1x 1-5 Vdc 5x 0-5 Vdc 10x 0-10 Vdc Cx 4-20 mA Analog Inputs x2x secondary signal xIN Setpoint input xM Gas mass flow output xP Pressure output xT Temperature output xV Gas or liquid volumetric flow output RIN RS-232 input selection
17025HF 17025 (L.A.B.) high-flow certification 17025LF 17025 (L.A.B.) low-flow certification A2LA 17025 (A2LA) calibration certification ALHx: y High flow alarm above y setpoint ALLx: y Low flow alarm below y setpoint 5 5 Vdc analog output 12 12 Vdc analog output 24 24 Vdc analog output OD 500 mA open drain APC Absolute pressure calibration for gas flow APHC High-accuracy absolute pressure calibration for gas flow BAUD: # Baud rate BD Bidirectional flow or gauge pressure calibration CLP Closed-loop pressure control CLV Closed-loop volumetric flow control CPNT (x,y,z) Additional calibration points DB: # Deadband % preset DS Downstream valve placement GAS: x Initial gas selection HC High-accuracy flow or pressure calibration ID: # RS-232/485 unit address LIQUID: x Custom liquid calibration MAXAVG Maximum geometric running averaging NTP: x Custom NTP conditions OPL: x Overpressure limit for valve closure OXC Oxygen cleaning P1: x Expected inlet pressure P2: x Expected outlet pressure PD (p, d) Custom PD valve tuning PD2I (p, d, i) Custom PD2I valve tuning POP Power over Profibus PROFIBUS: # Profibus unit address PU: x Selects flow parameter on power-up PUGS: x Gas selection on power-up PUL: x Pulsed analog output at x flow total PUSP: # Setpoint on power-up PUT: # Tare after x seconds on power-up RANGE: x Custom calibration range RCPNT (x,y,z) Replacement calibration points RTL Right-to-left flow direction SENIN: x External pressure sensor input signal SR: # Streaming rate in milliseconds STP: x Custom STP conditions STR Preset to streaming mode TOT Integrated flow totalizer TOT (x y, R/F/E) Custom resolution x and/or units y E Rolls over and flashes OVR error at max count F Freezes and flashes OVR error at max count R Rolls over at max count TOTAVG Totalizer averaging TOTBD# Bidirectional totalizers: TOTBD1 Negative values subtract from total TOTBD2 Negative values subtract from total, and total can never be negative TOTBD3 Negative values have no effect TOTBD4 Negative values ignored, resets at zero VOL: x Expected closed volume