FLOW METER TYPE: ROTOMETER; SCALE: 1.6 TO 16 L/H; DIAMETER: DN, , 1/4.; FLUID: NITROGEN; CONNECTION PROCESS: NPT 1/4. X 18 WIRES/POL;, , ELECTRICAL CONNECTION: M16; MATERIAL: BOROSILICATE GLASS; CHAIN, , ELECTRICAL: 0 TO 100 MA; SUPPLY VOLTAGE: 5 TO 24 VDC; MANUFACTURER /, , BUHLER REFERENCE: 4056 10 1 99 S KROHNE: DK46 R K1, ADDITIONAL FEATURES: VALVE, , FLOW ADJUSTMENT NEEDLE AND 01 LOW FLOW LIMIT WITH ALARM; FOR, , CLASSIFIED AREA ZONE 1, GROUP II. NCM: 90261019