LEVEL DETECTION RADIOMETRIC SENSOR NAME ADDITIONAL REQUIREMENTS FOR LEVEL DETECTION SEE COMMERCIAL REFERENCE VEGA-POINTRAC 31 OBS: – MEASURING RANGE 152 TO 304 MM (6 TO 12 INCHES); – REPRODUCIBILITY ±0.5% WITH -40 TO 60 DEGREES C; – AMBIENT. STORAGE AND TRANSPORT TEMPERATURE -40 TO 60 DEGREES C; – VOLTAGE SUPPLY: – SERVICE VOLTAGE 20 TO 72 VCC; 20 TO 253 V AC. 50/60 HZ; – MAXIMUM POWER CONSUMPTION 4 W/6 VA; – ANALOG INPUT: – INPUT TYPE 4 TO 20 MA PASSIVE; – INTERNAL LOAD 250 OHMS; – SWITCHING INPUT: – INPUT TYPE: – OPEN COLLECTOR 10 MA; – RELAY CONTACT 100 MA; – RELAY OUTPUT – MIN. SWITCHING VOLTAGE. 10 MV. MAX. 253 VCA. 253 VCC; – MIN. CONTACT CURRENT. 10 AI. MAX. 3 TO AC. 1 TO DC; – MIN. CONTACT POWER. 50 MW. MAX. 750 VA AC. 40 W CC; – CURRENT OUTPUT: – 8/16 MA/HART RANGE. ACTIVE OR PASSIVE; – MAXIMUM LOAD 500 U (300 U WITH INTRINSIC SAFETY); – SWITCHING OUTPUT: – TYPE OF OUTPUT NPN TRANSISTOR OUTPUT (POTENTIAL FREE); – SWITCHING VOLTAGE < 55 VCC; – LOAD CURRENT < 400 MA; – OPTIONAL SIL RATING UP TO SIL2; – MATERIALS/BINDER: – STAINLESS STEEL DETECTOR TUBE; – POLYVINYL FLICKER MATERIAL (PVT); – HOUSING MODEL: – STAINLESS STEEL WITH PROTECTION DEGREE IP 67; – ELECTRONIC SYSTEM MODEL: – ONE 8/16 MA/HART OUTPUT AND DIGITAL OUTPUTS WITH PROFIBUS PA AND FOUNDATION FIELDBUS.