MAKER and ORIGIN : SEOJIN INSTECH / KOREA MODEL NO. : SRF MOUNTING : FLANGE MOUNTING TYPE : RADIO FREQUENCY LEVEL SENSOR POWER SUPPLY : AC 110/220V AC DELAY TIME : 0.5, 2, 4, 6 Sec OPERATING TEMPERATURE : -20 ~ 60°C POWER SUPPLY 900 : 115 / 230V AC OPERATING TEMPERATURE B : -20 ~ +240°C PPS MOUNTING SIZE 3 : JIS 5K 65A FF FLANGE (304SS) PROBE LENGTH C : 372 ~ 1000mm ENCLOSURE 1 : Weather Proof (Std.) CONDUIT CONNECTION A : PF 1/2" (Std.) MATERIAL OF DETECTION PROBE2 : 316LSS