FLOW SWITCH HAS AI-316 NPT 1/2» BASIC NAME SWITCH MODIFIER TYPE THERMAL DISPERSION CONTACT DC PNP ELECTRICAL SUPPLY 18 TO 30 VCC ELECTRICAL RATING IP-65 MATERIAL WETTED PARTS STAINLESS STEEL AISI 316 CONNECTION THREAD NPT ASME B1.20. 1 DIAMETER CONNECTION 1/2» PRESSURE CLASS 100 BAR ADDITIONAL REQUIREMENTS SEE COMMERCIAL REFERENCE SEE OBS: ADDITIONAL REQUIREMENTS: – FLUID TEMPERATURE -20 TO 85 DEGREES C; – ADJUSTMENT RANGE 0.03 TO 3 M/S; – MAXIMUM SENSITIVITY 0.03 TO 0.5 M/S; – RESPONSE TIME 6 TO 12 SEC; – REPEATABILITY 0.03 TO 0.5 M/S; – PROTECTION AGAINST REVERSE POLARITY AND OVERLOAD; – 1 OUTPUT NORMALLY OPEN/PROGRAMMABLE TO NORMALLY CLOSED. COMMERCIAL REFERENCE: – ENDRESS+HAUSER-DTT31-A3A3A111DE2AAB.